SEC Info - BrightView Holdings, Inc. - ‘10-K’ for 9/30/23

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BrightView Holdings, Inc. – ‘10-K’ for 9/30/23 – ‘EX-101.LAB’

On: Thursday, 11/16/23, at 6:17am ET · For: 9/30/23 · Accession #: 950170-23-64336 · File #: 1-38579

Previous ‘10-K’: ‘10-K’ on 11/17/22 for 9/30/22 · Latest ‘10-K’: This Filing · 28 References:

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/16/23  BrightView Holdings, Inc.         10-K        9/30/23   98:16M                                    Donnelley … Solutions/FA

Annual Report — Form 10-K

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   3.66M 
 2: EX-4.6      Instrument Defining the Rights of Security Holders  HTML     92K 
 3: EX-10.49    Material Contract                                   HTML    104K 
 4: EX-21.1     Subsidiaries List                                   HTML     33K 
 5: EX-23.1     Consent of Expert or Counsel                        HTML     27K 
10: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     62K 
                Awarded Compensation                                             
 6: EX-31.1     Certification -- §302 - SOA'02                      HTML     33K 
 7: EX-31.2     Certification -- §302 - SOA'02                      HTML     34K 
 8: EX-32.1     Certification -- §906 - SOA'02                      HTML     30K 
 9: EX-32.2     Certification -- §906 - SOA'02                      HTML     29K 
16: R1          Document and Entity Information                     HTML    102K 
17: R2          Consolidated Balance Sheets                         HTML    145K 
18: R3          Consolidated Balance Sheets (Parenthetical)         HTML     55K 
19: R4          Consolidated Statements of Operations               HTML     98K 
20: R5          Consolidated Statements of Comprehensive Income     HTML     55K 
                (Loss)                                                           
21: R6          Consolidated Statements of Comprehensive Income     HTML     34K 
                (Loss) (Parenthetical)                                           
22: R7          Consolidated Statements of Stockholders' Equity     HTML     79K 
                and Mezzanine Equity                                             
23: R8          Consolidated Statements of Cash Flows               HTML    144K 
24: R9          Business                                            HTML     35K 
25: R10         Summary of Significant Accounting Policies          HTML     62K 
26: R11         Recent Accounting Pronouncements                    HTML     44K 
27: R12         Revenue                                             HTML     96K 
28: R13         Accounts Receivable, net                            HTML     33K 
29: R14         Property and Equipment                              HTML     75K 
30: R15         Intangible Assets, Goodwill and Acquisitions        HTML    128K 
31: R16         Accrued Expenses and Other Current Liabilities      HTML     48K 
32: R17         Long-Term Debt                                      HTML    110K 
33: R18         Fair Value Measurements and Derivative Instruments  HTML    174K 
34: R19         Income Taxes                                        HTML    235K 
35: R20         Leases                                              HTML    204K 
36: R21         Equity-Based Compensation                           HTML    153K 
37: R22         Commitment and Contingencies                        HTML     41K 
38: R23         Segments                                            HTML    190K 
39: R24         Mezzanine Equity                                    HTML     57K 
40: R25         (Loss) Earnings Per Share of Common Stock           HTML    132K 
41: R26         Summary of Significant Accounting Policies          HTML    104K 
                (Policies)                                                       
42: R27         Revenue (Tables)                                    HTML     77K 
43: R28         Property and Equipment, net (Tables)                HTML     71K 
44: R29         Intangible Assets, Goodwill and Acquisitions        HTML    122K 
                (Tables)                                                         
45: R30         Accrued Expenses and Other Current Liabilities      HTML     47K 
                (Tables)                                                         
46: R31         Long-Term Debt (Tables)                             HTML     78K 
47: R32         Fair Value Measurements and Derivative Instruments  HTML    165K 
                (Tables)                                                         
48: R33         Income Taxes (Tables)                               HTML    228K 
49: R34         Leases (Tables)                                     HTML    206K 
50: R35         Equity-Based Compensation (Tables)                  HTML    134K 
51: R36         Segments (Tables)                                   HTML    184K 
52: R37         (Loss) Earnings Per Share of Common Stock (Tables)  HTML    130K 
53: R38         Business - Additional Information (Details)         HTML     38K 
54: R39         Summary of Significant Accounting Policies -        HTML     35K 
                Additional Information (Details)                                 
55: R40         Revenue - Additional Information (Details)          HTML     44K 
56: R41         Revenue - Schedule of Reportable Segment Revenues,  HTML     48K 
                Disaggregated by Revenue (Details)                               
57: R42         Revenue - Additional Information (Details 1)        HTML     38K 
58: R43         Revenue - Schedule of Changes in Deferred Revenue   HTML     34K 
                (Details)                                                        
59: R44         Accounts Receivable, net - Additional Information   HTML     36K 
                (Details)                                                        
60: R45         Property and Equipment, Net - Schedule of Property  HTML     61K 
                and Equipment, Net (Details)                                     
61: R46         Property and Equipment, Net - Additional            HTML     30K 
                Information (Details)                                            
62: R47         Intangible Assets, Goodwill and Acquisitions -      HTML     54K 
                Additional Information (Details)                                 
63: R48         Intangible Assets, Goodwill and Acquisitions -      HTML     47K 
                Schedule of Intangible Assets (Details)                          
64: R49         Intangible Assets, Goodwill and Acquisitions -      HTML     43K 
                Schedule of Future Amortization Expense (Details)                
65: R50         Intangible Assets, Goodwill and Acquisitions -      HTML     44K 
                Summary of Goodwill (Details)                                    
66: R51         Accrued Expenses and Other Current Liabilities -    HTML     37K 
                Schedule of Accrued Expenses and Other Current                   
                Liabilities (Details)                                            
67: R52         Long-Term Debt - Schedule of Long-Term Debt         HTML     50K 
                (Details)                                                        
68: R53         Long-Term Debt - Additional Information (Details)   HTML    150K 
69: R54         Long-Term Debt - Scheduled Maturities of Long-Term  HTML     50K 
                Debt (Details)                                                   
70: R55         Fair Value Measurements and Derivative Instruments  HTML     47K 
                - Additional Information (Details)                               
71: R56         Fair Value Measurements and Derivative Instruments  HTML     74K 
                - Summary of Financial Assets and Liabilities                    
                Measured at Fair Value on Recurring Basis                        
                (Details)                                                        
72: R57         Fair Value Measurements and Derivative Instruments  HTML     45K 
                - Summary of Effects on Consolidated Financial                   
                Statements of Designated As Cash Flow Hedges                     
                (Details)                                                        
73: R58         Income Taxes - Schedule of Components of Income     HTML     47K 
                Tax Expense (Benefit) (Details)                                  
74: R59         Income Taxes - Schedule of Income Tax Expense       HTML     57K 
                (Benefit) Differs from Amount Computed at Federal                
                Statutory Corporate Tax Rate (Details)                           
75: R60         Income Taxes - Components of Net Deferred Tax       HTML     80K 
                Asset and Liability Accounts (Details)                           
76: R61         Income Taxes - Additional Information (Details)     HTML     54K 
77: R62         Leases - Additional Information (Details)           HTML     35K 
78: R63         Leases - Summary of Lease-Related Assets and        HTML     54K 
                Liabilities (Details)                                            
79: R64         Leases - Summary of Weighted-average Remaining      HTML     39K 
                Lease Terms and Incremental Borrowing Rates                      
                (Details)                                                        
80: R65         Leases - Summary of Components of Lease Cost for    HTML     47K 
                Operating and Finance Leases (Details)                           
81: R66         Leases - Summary of Supplemental Cash Flow          HTML     42K 
                Information (Details)                                            
82: R67         Leases - Summary of Maturities of Operating and     HTML     78K 
                Finance Lease Liabilities (Details)                              
83: R68         Equity-Based Compensation - Additional Information  HTML    104K 
                (Details)                                                        
84: R69         Equity-Based Compensation - Summary of Company's    HTML     54K 
                Restricted Stock Award Activity (Details)                        
85: R70         Equity-Based Compensation - Summary of Company's    HTML     59K 
                Restricted Stock Unit Activity (Details)                         
86: R71         Equity-Based Compensation - Summary of Company's    HTML     50K 
                Stock Options Activity (Details)                                 
87: R72         Equity-Based Compensation - Summary of Company's    HTML     54K 
                Performance Stock Unit Activity (Details)                        
88: R73         Equity-Based Compensation - Schedule of             HTML     38K 
                Weighted-Average Assumptions Used in Valuation of                
                Unit Awards, Restricted Stock Unit Awards Were                   
                Converted and Stock Option Awards Granted or                     
                Modified (Details)                                               
89: R74         Commitment and Contingencies - Additional           HTML     42K 
                Information (Details)                                            
90: R75         Segments - Additional Information (Details)         HTML     30K 
91: R76         Segments - Summary of Certain Financial Data For    HTML     98K 
                Each of Segments (Details)                                       
92: R77         Mezzanine Equity - Additional Information           HTML     68K 
                (Details)                                                        
93: R78         (Loss) Earnings Per Share of Common Stock -         HTML     79K 
                Reconciliation of Numerator and Denominator for                  
                Basic and Diluted Earnings (loss) Per Share                      
                Calculation (Details)                                            
96: XML         IDEA XML File -- Filing Summary                      XML    178K 
94: XML         XBRL Instance -- bv-20230930_htm                     XML   3.71M 
95: EXCEL       IDEA Workbook of Financial Report Info              XLSX    183K 
14: EX-101.CAL  XBRL Calculations -- bv-20230930_cal                 XML    285K 
13: EX-101.DEF  XBRL Definitions -- bv-20230930_def                  XML    869K 
12: EX-101.LAB  XBRL Labels -- bv-20230930_lab                       XML   1.77M 
11: EX-101.PRE  XBRL Presentations -- bv-20230930_pre                XML   1.33M 
15: EX-101.SCH  XBRL Schema -- bv-20230930                           XSD    225K 
97: JSON        XBRL Instance as JSON Data -- MetaLinks              626±  1.00M 
98: ZIP         XBRL Zipped Folder -- 0000950170-23-064336-xbrl      Zip   1.31M

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<link:loc xlink:type="locator" xlink:href="bv-20230930.xsd#bv_InterestRateCollarAgreementMember" xlink:label="bv_InterestRateCollarAgreementMember"/>

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<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Self-insurance reserves </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Auditor Firm ID </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2024 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Collaborative Arrangement and Arrangement Other than Collaborative </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangement and Arrangement Other than Collaborative [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Transition Report </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Transition Report </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Volatility factor </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Noncash or part noncash divestiture, amount of consideration received </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Noncash Or Part Noncash Divestiture Amount Of Consideration Received </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Noncash or part noncash divestiture, amount of consideration received. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue, remaining performance obligations, amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Payments of stock issuance costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments of Stock Issuance Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vesting period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Current Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Segment Reporting Information By Segment [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Segment Reporting Information, by Segment [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Units (RSU) [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock Units (RSUs) [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CustomerRelationshipsAndNonCompeteAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer Relationships and Non-compete Agreements </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CustomerRelationshipsAndNonCompeteAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer Relationships And Non Compete Agreements [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CustomerRelationshipsAndNonCompeteAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Customer relationships and non-compete agreements. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2025 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Level 1 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 1 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of Series A preferred stock, net of issuance costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Temporary Equity, Stock Issued During Period, Value, New Issues </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Public Float </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Public Float </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Pre-tax gain (loss) on sale of business </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Receivable Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2027 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ReverseStockSplitPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reverse Stock Split </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, Useful Life </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Useful Life </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InsurancePolicyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Insurance Policy </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InsurancePolicyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Insurance Policy [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InsurancePolicyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Insurance policy. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerUnbilledRevenueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Contract with customer unbilled revenue additions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerUnbilledRevenueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract With Customer Unbilled Revenue Additions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerUnbilledRevenueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contract with customer unbilled revenue additions. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrecognized compensation cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Reportable Segment Revenues, Disaggregated by Revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Business acquisitions, net of cash acquired </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Consideration paid, net of cash acquired </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Businesses, Net of Cash Acquired </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Payments to Acquire Businesses, Net of Cash Acquired, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total finance lease cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease cost. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> ICFR Auditor Attestation Flag </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, September 30, 2022 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Liability, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Operating cash flows from finance leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Interest Payment on Liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating cash flows from finance leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Events [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Raw materials and supplies </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Raw Materials and Supplies, Gross </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Inventory, Raw Materials and Supplies, Gross, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Noncurrent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Non-current lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-current lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Long-term operating lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel"> Lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repurchase of common stock and distributions, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Repurchased During Period, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Stock by Class [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Measurement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Treasury stock, at cost; 13,000,000 and 12700,000 shares as of September30, 2023 and September 30, 2022, respectively </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Treasury Stock, Common, Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_COVID19RelatedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> COVID-19 related expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_COVID19RelatedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> C O V I D19 Related Expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_COVID19RelatedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> COVID-19 related expenses. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Non-current lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Noncurrent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Non-current lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument, original discount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Unamortized Discount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Instrument, Unamortized Discount, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Goodwill [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Goodwill [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfPrincipleBalanceUsedToCalculateAmountOfQuarterlyInstallmentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of principle balance used to calculate debt repayments amount of quarterly installments due </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfPrincipleBalanceUsedToCalculateAmountOfQuarterlyInstallmentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Percentage Of Principle Balance Used To Calculate Amount Of Quarterly Installments Due </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfPrincipleBalanceUsedToCalculateAmountOfQuarterlyInstallmentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Percentage of principle balance used to calculate amount of quarterly installments due. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Class of Stock [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Location </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Balance Sheet Location [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Realized (gain) loss on hedges </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Extinguishment of Debt, Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Extinguishment of Debt, Type [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities, mezzanine equity and stockholders 'equity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, State or Province </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, State or Province </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other non-current deferred tax assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Other </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPreferredStockStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-cash Series A Preferred Stock dividends </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPreferredStockStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends, Preferred Stock, Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-Term Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Value, New Issues </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reverse stock split ratio </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stockholders' Equity Note, Stock Split, Conversion Ratio </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Outstanding at September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Outstanding at September 30, 2022 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance leases: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Leases [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance leases. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock options weighted average grant date fair value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Comprehensive income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inventories </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory Disclosure [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill and Other Intangible Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill and Intangible Assets, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trading Symbol </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Trading Symbol </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total deferred tax assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Net of Valuation Allowance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TheCaresAct1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> The CARES Act 1 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TheCaresAct1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> The CARES Act 1 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TheCaresAct1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cares Act </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares, Issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AmendedAndRestatedTwoThousandAndEighteenOmnibusIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amended and Restated 2018 Omnibus Incentive Plan </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AmendedAndRestatedTwoThousandAndEighteenOmnibusIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amended And Restated Two Thousand And Eighteen Omnibus Incentive Plan [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AmendedAndRestatedTwoThousandAndEighteenOmnibusIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amended and restated two thousand and eighteen omnibus incentive plan. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consolidated Entities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidated Entities [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of credit facility, interest rate during period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Line of Credit Facility, Interest Rate During Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Instrument [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Long-Term Debt Instruments [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares, Outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2026 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> AOCI Attributable to Parent [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income (Loss) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Less: Current portion of long-term debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion of long-term debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Current Maturities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Long-term Debt, Current Maturities, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InvestmentsHeldByRabbiTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment Held by Rabbi Trust </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InvestmentsHeldByRabbiTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments Held By Rabbi Trust [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InvestmentsHeldByRabbiTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Investments held by rabbi trust. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Property, Plant and Equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, City or Town </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, City or Town </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax assets: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationProvisionToReturnAndDeferredTaxAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Provision to return and deferred tax adjustments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationProvisionToReturnAndDeferredTaxAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Provision To Return And Deferred Tax Adjustments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationProvisionToReturnAndDeferredTaxAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax reconciliation provision to return and deferred tax adjustments. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-average incremental borrowing rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Weighted Average Discount Rate, Percent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScenarioOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Scenario one. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScenarioOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Scenario One Depending on Leverage Ratio </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScenarioOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Scenario One [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Property and Equipment, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Vested and exercisable at September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock option vested and exercisable upon issuance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Company's Performance Stock Unit Activity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repayments of finance lease obligations </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Principal Payments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel"> Financing cash flows from finance leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financing cash flows from finance leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional Paid-In Capital </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid-in Capital [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Components of Income Tax Expense (Benefit) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationYearUnderExamination_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Examination, Year under Examination </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DebtInstrumentCarryingAmountNetOfIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instruments net of original issue discount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DebtInstrumentCarryingAmountNetOfIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument Carrying Amount Net Of Issue Discount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DebtInstrumentCarryingAmountNetOfIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt instrument carrying amount net of issue discount. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current liabilities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScenarioTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Scenario Two Depending on Leverage Ratio </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScenarioTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Scenario Two [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScenarioTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Scenario two. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleConversionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Initial conversion price of common stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleConversionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Convertible, Conversion Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current assets: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Current [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, par value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Par or Stated Value Per Share </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPreferredStockPaidinkind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends paid in-kind </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPreferredStockPaidinkind_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends, Preferred Stock, Paid-in-kind </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Stockholders' Equity [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingLeaseLiabilityPaymentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total net lease payments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingLeaseLiabilityPaymentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingLeaseLiabilityPaymentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee operating lease liability payments net. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Price, Expected to vest after September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less: Current portion of lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Current portion of lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion of operating lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net Service Revenues </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer, Including Assessed Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInitiationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit agreement date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxAssetsBusinessInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business interest expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxAssetsBusinessInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Business Interest Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxAssetsBusinessInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax assets business interest expense. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument, maturity date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Maturity Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long Term Debt Maturities Repayments Of Principal In Rolling After Year Four </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total debt, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReserveNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Reserve for unpaid and incurred but not reported claims, classified in non-current liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReserveNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Self-insurance reserves </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReserveNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Self Insurance Reserve, Noncurrent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative Contract </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Property and equipment, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Property, Plant and Equipment, Net, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Property, Plant and Equipment, Net, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Series A Convertible Preferred Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Series A Preferred Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Class of Stock [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. corporate income tax rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Comprehensive Income [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Scenario </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Scenario [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Collaborative Arrangement and Arrangement Other than Collaborative </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangement and Arrangement Other than Collaborative [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Treasury stock, shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Treasury Stock, Common, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income taxes. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Entity Central Index Key </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Central Index Key </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Central Index Key </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less: Current portion of lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion of lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Allowance for doubtful accounts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InterestPeriodTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Interest period term. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InterestPeriodTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Period Term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InterestPeriodTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest period term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Series A Convertible Preferred Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SeriesAConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Series A convertible preferred stock member. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other operating assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Other Operating Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Other Operating Assets, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Shares Outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Preferred Stock, Shares Outstanding, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Preferred Stock, Shares Outstanding, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Remaining performance obligations, expected satisfaction period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Goodwill </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Tax Identification Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Tax Identification Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> (Loss) income before income taxes </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> (Loss) income before income taxes </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finished products </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Schedule of Restricted Stock Unit Activity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in operating assets and liabilities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Operating Capital [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncements or Change in Accounting Principle [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReserveCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Reserve for unpaid and incurred but not reported claims, classified in current liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReserveCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion of self-insurance reserves </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReserveCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Self Insurance Reserve, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, to be Paid, Year Four </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BlendedCorporateIncomeTaxRateApplicableToCompanyBeforeAndAfterTaxCutAndJobsAct_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Blended corporate tax rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BlendedCorporateIncomeTaxRateApplicableToCompanyBeforeAndAfterTaxCutAndJobsAct_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Blended Corporate Income Tax Rate Applicable To Company Before And After Tax Cut And Jobs Act </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BlendedCorporateIncomeTaxRateApplicableToCompanyBeforeAndAfterTaxCutAndJobsAct_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Blended corporate income tax rate applicable to company before and after tax cut and jobs act. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Award Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Award Date [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-cash equity-based compensation expense over the requisite service period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock or Unit Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument, term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Construction in Progress </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Construction in Progress [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccruedExpensesAndOtherCurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued Expenses and Other Current Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccruedExpensesAndOtherCurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Expenses And Other Current Liabilities [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccruedExpensesAndOtherCurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accrued expenses and other current liabilities. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncreaseDecreaseInUnbilledAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Unbilled and deferred revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncreaseDecreaseInUnbilledAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Unbilled And Deferred Revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncreaseDecreaseInUnbilledAndDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Increase decrease in unbilled and deferred Revenue. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Award Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Award Type [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Awards </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-average remaining lease term (years) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Weighted Average Remaining Lease Term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Receivables Financing Agreement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Financing Receivable [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedArrangementsToObtainGoodsAndServicesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative Instrument </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Right-of-use asset </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AbrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Adjusted base rate. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AbrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> ABR [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AbrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ABR </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Registrant Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Registrant Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Financing costs, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Issuance Costs, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Issuance Costs, Net, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated deficit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Supplemental Cash Flow Information: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Cash Flow Information [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Deficit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Class of Stock [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleDownRoundFeatureDecreaseInNetIncomeLossToCommonShareholderAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Earnings allocated to Convertible Preferred Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleDownRoundFeatureDecreaseInNetIncomeLossToCommonShareholderAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Convertible, Down Round Feature, Decrease in Net Income to Common Shareholder, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending balance, Outstanding | shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal tax at statutory rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Deferred tax liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Liabilities, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Income Tax Liabilities, Net, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minimum </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Minimum [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Significant Accounting Policies </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Significant Accounting Policies [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total operating lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeveranceCosts1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Severance Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeveranceCosts1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Severance and related costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total finance lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue Recognition </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Component </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Component [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Segments [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock Options </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Employee Stock Option [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Land </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Land [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Receivables [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of financing costs and original issue discount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Debt Issuance Costs and Discounts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortization of Debt Issuance Costs and Discounts, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repayments of revolving credit facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repayments of Lines of Credit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adjustments to reconcile net (loss) income to net cash provided by operating activities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Maturities of Operating and Finance Lease Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease And Finance Lease Liability Maturity Table [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingLeaseAndFinanceLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee operating lease and finance lease liability maturity. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Measurement Frequency </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Sublease income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sublease Income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sale of tree company </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net (loss) income available to common shareholders - diluted </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss) Available to Common Stockholders, Diluted </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument, basis spread on variable rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Basis Spread on Variable Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Current Reporting Status </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Current Reporting Status </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other financing activities, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from (Payments for) Other Financing Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, authorized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares Authorized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfUnrelatedMaintenanceServicesCompaniesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of unrelated maintenance services companies acquired </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfUnrelatedMaintenanceServicesCompaniesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Unrelated Maintenance Services Companies Acquired </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfUnrelatedMaintenanceServicesCompaniesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number of unrelated maintenance services companies acquired. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use asset </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InterestRateCollarAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest Rate Collar Agreement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InterestRateCollarAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Rate Collar Agreement [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InterestRateCollarAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Interest rate collar agreement. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total non-current deferred tax liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Gross </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term debt, fair value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Fair Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update [Extensible List] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update [Extensible Enumeration] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from issuance of common stock, net of share issuance costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Issuance of Common Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash Flow Hedges </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Amortization expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of intangible assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Intangible Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortization of Intangible Assets, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock shares available for sale </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Business. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Series A Convertible Preferred Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Convertible Preferred Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, $0.01 par value; 500,000,000 shares authorized; 106,600,000 and 105,700,000 shares issued and 93,600,000 and 93,000,000 shares outstanding as of September 30,2023 and September 30,2022 respectively </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Value, Issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Common Stock, Value, Issued, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Common Stock, Value, Issued, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Common Stock, Value, Issued, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued Expenses and Other Current Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repayments of receivables financing agreement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Debt voluntary repayment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repayments of Long-Term Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Repayments of Long-term Debt, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NonforfeitableRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Nonforfeitable RSUs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NonforfeitableRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Nonforfeitable R S U [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NonforfeitableRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Nonforfeitable RSU. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommitmentsAndContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments And Contingencies [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommitmentsAndContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments And Contingencies [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommitmentsAndContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Commitments and contingencies. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sale of property and equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Sale of Property, Plant, and Equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Proceeds from Sale of Property, Plant, and Equipment, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NonCashItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-cash items: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NonCashItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Non Cash Items [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NonCashItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Non-cash items. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Recognition of revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Liability, Revenue Recognized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recognition of revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, Liquidation Preference </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Liquidation Preference, Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accrued expenses and other current liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Liabilities, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current Fiscal Year End Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Fiscal Year End Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity-based compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Noncash Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Noncash Expense, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ITInfrastructureTransformationAndOtherCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> IT infrastructure, transformation, and other </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ITInfrastructureTransformationAndOtherCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> I T Infrastructure Transformation And Other Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ITInfrastructureTransformationAndOtherCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> IT infrastructure, transformation, and other costs. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Auditor Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Auditor Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Income (Loss) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income from operations </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repayments of term loan </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Debt repayments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Repayments of debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repayments of Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred taxes </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Income tax benefit (expense) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax (benefit) provision </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expense (Benefit) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Income tax expense (benefit) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total income tax expense (benefit) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommodityContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Fuel hedges </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommodityContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fuel Swap Contracts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommodityContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commodity Contract [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Contingent business acquisition payments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Contingent business acquisition payments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payment for Contingent Consideration Liability, Financing Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Leases [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prepaid assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Disaggregation Of Revenue [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Performance Stock unit awards vesting rights percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equipment [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Finite-Lived Intangible Assets, Net, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Finite-Lived Intangible Assets, Net, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Certain Financial Data For Each of Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Segment Reporting Information, by Segment [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201602Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update 2016-02 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201602Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update 2016-02 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity-based compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Before Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-based compensation before tax. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ReverseStockSplitEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reverse stock split effective date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ReverseStockSplitEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Reverse Stock Split Effective Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ReverseStockSplitEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Reverse stock split effective date. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Decrease in tax provision due to revaluation of net deferred tax liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Impairment of Long-lived Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: Amounts representing interest </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Undiscounted Excess Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Valuation Allowance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative Effect, Period of Adoption, Adjustment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cumulative Effect, Period of Adoption, Adjustment [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Hedging Relationship </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Carrying Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Nonoperating Income (Expense) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Nonoperating Income (Expense), Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other expense (income) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other expense (income) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate purchase price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock, Price Per Share </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Lease Liability, Payment Due [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReservePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Self-Insurance Reserves </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SelfInsuranceReservePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Self Insurance Reserve [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLossCarryforwardsExpirationEndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net operating losses, expiration end year </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLossCarryforwardsExpirationEndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiration End Year </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLossCarryforwardsExpirationEndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating loss carryforwards expiration end year. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfInitialConversionPriceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of initial conversion price of common stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfInitialConversionPriceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Percentage of Initial Conversion Price of Common Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfInitialConversionPriceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Percentage of initial conversion price of common stock. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term Debt, Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Type [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Claims recoverable from third party insurance carriers </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverable for Unpaid Claims and Claims Adjustments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_EmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ESPP </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_EmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Employee Stock Purchase Plan [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_EmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Employee stock purchase plan. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Voluntary Filers </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Voluntary Filers </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Events [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxAssetsLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative Instruments, Gain (Loss) [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxLiabilitiesLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxLiabilitiesLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Lease Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredTaxLiabilitiesLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax liabilities lease assets. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets, Noncurrent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Assets, Noncurrent, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity-based compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntersegmentEliminationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Eliminations </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Accrued Liabilities, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Thereafter </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Mezzanine Equity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Depreciation expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Depreciation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Depreciation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Depreciation, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedSalariesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Payroll related accruals </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedSalariesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Salaries, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Product Information [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Product Information [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash paid for interest, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Paid, Excluding Capitalized Interest, Operating Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable and other operating liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts Payable and Other Operating Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2027 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2024 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Terms of redemption </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LettersOfCreditsIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Letters of credits, issued amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LettersOfCreditsIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Letters Of Credits Issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LettersOfCreditsIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Letters of credit issued. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Extinguishment of Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Extinguishment of Debt [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccruedOperatingExpensesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued operating expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccruedOperatingExpensesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Operating Expenses Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccruedOperatingExpensesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accrued operating expenses current. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stockholders’ equity: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity, Attributable to Parent [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Thereafter </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Components of Lease Cost for Operating and Finance Leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit agreement, maximum borrowing capacity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of identified reporting units </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number of Reporting Units </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Remaining performance obligations, percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost of services provided </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost of Goods and Services Sold </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cost of Goods and Services Sold, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseLiabilityPaymentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total net lease payments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseLiabilityPaymentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseLiabilityPaymentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease liability payments net. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LeasedAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Leased Assets [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LeasedAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Leased Assets [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LeasedAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Leased assets. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in uncertain tax positions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Tax Contingency, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Effective Income Tax Rate Reconciliation, Tax Contingency, Amount, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average interest rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt, Weighted Average Interest Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2027 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total net deferred tax liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred Tax Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Policies [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScheduleOfLeaseRelatedAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Lease-Related Assets and Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScheduleOfLeaseRelatedAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Lease Related Assets And Liabilities Table [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScheduleOfLeaseRelatedAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of lease related assets and liabilities. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Segments [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2028 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesAndFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Measurements and Derivative Instruments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesAndFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivatives and Fair Value [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net derivative gains (losses) and other costs arising during the period, net of tax expense (benefit) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementByShareBasedPaymentAwardRedeemedUnitsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Exercised | Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, to be Paid, Year Two </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Scenario </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Scenario [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share Based Compensation Arrangement By Share Based Payment Award [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Noncurrent Assets [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument, effective interest rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Interest Rate, Effective Percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtRestatementRecoveryAnalysisFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Financial Statement Error Correction [Flag] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtRestatementRecoveryAnalysisFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Financial Statement Restatement Recovery Analysis [Flag] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revolving Credit Facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revolving Credit Facility [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FirstLienCreditFacilityTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> First Lien Credit Facility Term Loans </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FirstLienCreditFacilityTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> First Lien Credit Facility Term Loan [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FirstLienCreditFacilityTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> First Lien credit facility term loan. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basic (loss) earnings per share </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share, Basic </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Earnings Per Share, Basic, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes Receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income taxes receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment Disclosure [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and Equipment, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Performance Shares [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Performance Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Contract Balances </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term lease cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Short-Term Lease, Cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statistical Measurement [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnbilledReceivablesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unbilled revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Operating Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by operating activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SummaryOfWeightedAverageRemainingLeaseTermsAndIncrementalBorrowingRatesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Weighted-average Remaining Lease Terms and Incremental Borrowing Rates </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SummaryOfWeightedAverageRemainingLeaseTermsAndIncrementalBorrowingRatesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Summary Of Weighted Average Remaining Lease Terms And Incremental Borrowing Rates Table [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SummaryOfWeightedAverageRemainingLeaseTermsAndIncrementalBorrowingRatesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Summary of weighted-average remaining lease terms and incremental borrowing rates. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Issuance of Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Debt borrowings during the period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from receivables financing agreement, net of issuance costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockOptionPlanExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock or Unit Option Plan Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockOptionPlanExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-cash equity-based compensation expense over the requisite service period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Award Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Period End Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Period End Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statistical Measurement [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Allowance for doubtful accounts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Receivable, Allowance for Credit Loss </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Accounts Receivable, Allowance for Credit Loss, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Accounts Receivable, Allowance for Credit Loss, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments and Contingencies </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies Disclosure [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating cash flows from operating leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Payments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Diluted (loss) earnings per share </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share, Diluted </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Earnings Per Share, Diluted, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Product and Service </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Product and Service [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RecurringAnnualContractPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recurring annual contract period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RecurringAnnualContractPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Recurring Annual Contract Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RecurringAnnualContractPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Recurring annual contract period. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net operating loss carryforward </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Operating Loss Carryforwards </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Tax Assets, Operating Loss Carryforwards, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Unrecognized Tax Benefits, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Unrecognized Tax Benefits, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrecognized tax benefits </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNumberOfSharesParValueAndOtherDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Mezzanine equity: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Payroll related accruals </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Hierarchy and NAV [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, to be Paid, Year Five </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consideration amount on sale of business </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disposal Group, Including Discontinued Operation, Consideration </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recurring </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of reportable segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number of Reportable Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PreviousRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Previous Revolving Credit Facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PreviousRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Previous Revolving Credit Facility [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PreviousRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Previous revolving credit facility. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional paid-in-capital </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid in Capital, Common Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Additional Paid in Capital, Common Stock, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Additional Paid in Capital, Common Stock, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, before Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income (loss) recognized in Other comprehensive income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inventories </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Scheduled Maturities of Long-Term Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Maturities of Long-Term Debt [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InitialPublicOfferingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Initial Public Offering </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InitialPublicOfferingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Initial Public Offering Policy Policy [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_InitialPublicOfferingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Initial public offering. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repurchase of common stock and distributions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments for Repurchase of Common Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-deductible IPO costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finite-Lived Intangible Assets, Major Class Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SeriesBTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Series B Term Loan </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SeriesBTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Series B Term Loan [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SeriesBTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Series B term loan member. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLongTermLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Long-Term Lines of Credit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLongTermLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from term loan, net of issuance costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of shares exercised </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingAndFinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Liabilities and stockholders’ equity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities and Equity [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfCumulativeDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividend rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfCumulativeDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Percentage of Cumulative Dividend </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfCumulativeDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Percentage of cumulative dividend. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposalStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Postal Zip Code </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Postal Zip Code </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LiborMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> LIBOR </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LiborMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> LIBOR [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LiborMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> LIBOR Member </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Interactive Data Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Interactive Data Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ownership interest in percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsidiary, Ownership Percentage, Noncontrolling Owner </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2026 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: Amounts representing interest </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, Undiscounted Excess Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerLiabilityDeferralOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferral of revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Performance stock units issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Well-known Seasoned Issuer </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Well-known Seasoned Issuer </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Exercised, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Incorporation, State or Country Code </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Incorporation, State or Country Code </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and Cash Equivalents </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative Instruments Gain Loss [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative Instruments, Gain (Loss) [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Components </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accounts receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts Receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_KohlbergKravisRobertsCapitalMarketsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Affiliate of KKR </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_USFederalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> U.S. federal [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_USFederalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> U.S. federal [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_USFederalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. federal </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: dividends on Series A convertible preferred shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsIncomeStatementImpact_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock Dividends, Income Statement Impact </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Business. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recent Accounting Pronouncements </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update and Change in Accounting Principle [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Local Phone Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Local Phone Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property Plant And Equipment [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sale of Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Price, Vested and Exercisable at September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Designated </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Dividends on Series A convertible preferred stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less: dividends on Series A convertible preferred shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: dividends on Series A convertible preferred shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock Dividends and Other Adjustments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Preferred Stock Dividends and Other Adjustments, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Federal Tax Expense (Benefit) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Beginning balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Goodwill, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from Issuance of Series A Preferred Stock, Net of Issuance Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Issuance of Preferred Stock and Preference Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Cash Flows [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Promissory Note </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Promissory Note [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Promissory note. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfOutstandingFuelContracts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number of outstanding fuel contracts. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfOutstandingFuelContracts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Outstanding Fuel Contracts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfOutstandingFuelContracts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of outstanding fuel contracts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax Authority </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Organization, Consolidation and Presentation of Financial Statements [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Accumulated other comprehensive income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated other comprehensive loss </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accumulated Other Comprehensive Income (Loss), Net of Tax, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and Equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Segment Reporting Information [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Segment Reporting Information [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gross profit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gross Profit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financing Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Annual Report </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Annual Report </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, par value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Par or Stated Value Per Share </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative Effect, Period of Adoption </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cumulative Effect, Period of Adoption [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unamortized value of outstanding stock-based compensation, weighted average remaining life </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-Lived Tangible Asset </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Lived Tangible Asset [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash paid for amounts included in the measurement of lease liabilities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cash paid for amounts included in the measurement of lease liabilities. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UnrelatedMaintenanceServicesCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Unrelated Maintenance Services Companies. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UnrelatedMaintenanceServicesCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrelated Maintenance Services Companies [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UnrelatedMaintenanceServicesCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrelated Maintenance Services Companies </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of shares of common stock that may be issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Maximum [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_MonitoringAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Monitoring Agreement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_MonitoringAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Monitoring Agreement [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_MonitoringAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Monitoring agreement. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost of Services Provided </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost of Goods and Service [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consolidation Items </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidation Items [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Dividends_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividend issued to common stockholders </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Dividends_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Dividends_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Dividends, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Fuel tax credit and other credits </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Tax Credit, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Effective Income Tax Rate Reconciliation, Tax Credit, Amount, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Identifiable assets acquired related to intangible assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UncertainIncomeTaxPositions1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> uncertain income tax position </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UncertainIncomeTaxPositions1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Uncertain Income Tax Positions 1 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UncertainIncomeTaxPositions1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Uncertain Income Tax Positions 1 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Level 3 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 3 [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity-based compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> APIC, Share-Based Payment Arrangement, Increase for Cost Recognition </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Recurring and Nonrecurring [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ownership </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Ownership [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net change in cash and cash equivalents </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payables and Accruals [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other investing activities, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments for (Proceeds from) Other Investing Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfSaleOfFullyOwnedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of sale of fully owned subsidiaries </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfSaleOfFullyOwnedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Sale Of Fully Owned Subsidiaries </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NumberOfSaleOfFullyOwnedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number of sale of fully owned subsidiaries. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RepurchaseOfCommonStockAndDistributions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repurchase of common stock and distributions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RepurchaseOfCommonStockAndDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repurchase Of Common Stock And Distributions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RepurchaseOfCommonStockAndDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Repurchase of common stock and distributions. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DevelopmentServicesSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Development Services </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OfficeEquipmentAndSoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Office Equipment and Software </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OfficeEquipmentAndSoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Office Equipment And Software [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OfficeEquipmentAndSoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Office equipment and software. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Expense [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill impairment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of shares forfeited </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Financial Statement Error Correction [Flag] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Segments [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Inventories </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Inventory, Current [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2024 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> City Area Code </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> City Area Code </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Inventories </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inventories </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash flows from operating activities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consolidation Items </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidation Items [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other accrued expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: Accumulated depreciation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Selling, General and Administrative Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Selling, General and Administrative Expenses [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average number of common shares outstanding – basic </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Basic </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number of Shares Outstanding, Basic, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Semi-finished products </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Work in Process, Gross </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash flows from financing activities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BrightViewHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Bright View Holdings </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BrightViewHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Bright View Holdings Inc [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BrightViewHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Bright view member. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Schedule of Restricted Stock Award Activity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Loss on debt extinguishment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gain (Loss) on Extinguishment of Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gain (Loss) on Extinguishment of Debt, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt extinguishment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ExpenseRelatedToChangesInSelfInsuredLiabilityEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Changes in self-insured liability estimates </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ExpenseRelatedToChangesInSelfInsuredLiabilityEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Charge related to changes in self-insured liability estimates </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ExpenseRelatedToChangesInSelfInsuredLiabilityEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Expense Related to Changes in Self Insured Liability Estimates </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ExpenseRelatedToChangesInSelfInsuredLiabilityEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Expense related to changes in self insured liability estimates. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Stock Options Activity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Option, Activity [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NetDeferredGainLossesNetOfTaxesExpectedToBeRecognizedInInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Net Deferred Gain Losses Net Of Taxes Expected To Be Recognized In Interest Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NetDeferredGainLossesNetOfTaxesExpectedToBeRecognizedInInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Deferred Gain Losses Net Of Taxes Expected To Be Recognized In Interest Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_NetDeferredGainLossesNetOfTaxesExpectedToBeRecognizedInInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net deferred gain on interest rate swap net of taxes expected to be recognized over the next 12 months </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AmendedCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amended Credit Agreement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AmendedCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amended Credit Agreement [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AmendedCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amended Credit Agreement. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Weighted-Average Assumptions Used in Valuation of PSU Awards Subject to Market Condition and Stock Option Awards Granted </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScheduleOfLeasedAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Leased Assets [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScheduleOfLeasedAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Leased Assets [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ScheduleOfLeasedAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of leased assets. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Period Focus </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Period Focus </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2025 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reclassification of (gains) losses into net income (loss), net of tax (expense) benefit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reclassification of (gains) losses into net income (loss), net of tax (expense) benefit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Long-Term Debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Long-Term Debt Instruments [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average number of anti-dilutive options, restricted stock and Series A convertible preferred shares on an as-converted basis (a) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Letters of credits, outstanding amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Letters of Credit Outstanding, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Net Deferred Tax Asset and Liability Accounts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Deferred Tax Assets and Liabilities [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Accounts receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts and Nontrade Receivable [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts Receivable, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative Effect, Period of Adoption </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cumulative Effect, Period of Adoption [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative Instruments and Hedging Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivatives, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of Series A preferred stock, net of issuance costs, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Temporary Equity Stock Issued During Period Shares New Issues </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Temporary equity stock issued during period shares new issues. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Instrument [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_VoluntaryRepaymentsOfLongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Voluntary Repayments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reclassification of (gains) losses into net (loss) income, net of tax (expense) of $(3.8); $(0.3); and $(1.2), respectively </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, after Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reclassification of (gains) losses into net income (loss), net of tax (expense) benefit of $(0.3); $(1.2); and $5.1, respectively </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and cash equivalents </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash and cash equivalents, beginning of period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash and cash equivalents, end of period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents, at Carrying Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cash and Cash Equivalents, at Carrying Value, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LIBORFloorRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> LIBOR floor rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LIBORFloorRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> L I B O R Floor Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LIBORFloorRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> LIBOR floor rate. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other current assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTransformationAndIntegrationCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business transformation and integration costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTransformationAndIntegrationCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Transformation And Integration Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTransformationAndIntegrationCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Business transformation and integration costs. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BusinessTransformationAndIntegrationCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Business transformation and integration costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Common Stock, Shares Outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Common Stock, Shares Outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfPrepaymentPremiumForVoluntaryPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of prepayment premium </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfPrepaymentPremiumForVoluntaryPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Percentage Of Prepayment Premium for Voluntary Prepayments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_PercentageOfPrepaymentPremiumForVoluntaryPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Percentage of prepayment premium for voluntary prepayments. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LandscapeMaintenanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Landscape Maintenance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LandscapeMaintenanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Landscape Maintenance [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LandscapeMaintenanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Landscape maintenance. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2025 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cover [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Selling, general and administrative expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Selling, General and Administrative Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Selling, General and Administrative Expense, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionContractorReceivableIncludingContractRetainageYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amounts of retention on incomplete project </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionContractorReceivableIncludingContractRetainageYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Construction Contractor, Receivable, Including Contract Retainage, Year One </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Year Focus </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Year Focus </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_Incometaxreconciliationnondeductibleexpenseofficerscompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax reconciliation non deductible expense officers compensation. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_Incometaxreconciliationnondeductibleexpenseofficerscompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-deductible officers compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_Incometaxreconciliationnondeductibleexpenseofficerscompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officers Compensation, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentGainLossReclassifiedFromAociIntoIncomeEffectivePortionStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected to vest after September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested And Expected To Vest Outstanding Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award options non vested and expected to vest outstanding number. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash (received) paid for income taxes, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes Paid, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income Taxes Paid, Net, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sale of Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccountsReceivablePercentNotCollectedUntilCompletion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of not collected receivable until completion to total contract value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccountsReceivablePercentNotCollectedUntilCompletion_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Receivable Percent Not Collected Until Completion </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AccountsReceivablePercentNotCollectedUntilCompletion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accounts receivable percent not collected until completion. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reserve for unpaid and incurred but not reported claims, amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Reported (IBNR) Claims, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Extinguishment of debt, amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Extinguishment of Debt, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity-based Compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Segment Reporting [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from divestitures </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Divestiture of Businesses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Security Exchange Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Security Exchange Name </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update and Change in Accounting Principle [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss), net of tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Other comprehensive income, net of tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other comprehensive income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SupplementalCashFlowInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Supplemental Cash Flow Information </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SupplementalCashFlowInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Cash Flow Information Table [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SupplementalCashFlowInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Supplemental cash flow information. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Preferred stock issued and sold </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Shares Issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Preferred Stock, Shares Issued, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Preferred Stock, Shares Authorized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, authorized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Shares Authorized </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer Relationships </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer Relationships [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Finite Lived Intangible Assets [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Finite-Lived Intangible Assets [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ThirdAmendedAndRestatedCertificateOfIncorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Third Amended and Restated Certificate of Incorporation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ThirdAmendedAndRestatedCertificateOfIncorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Third Amended And Restated Certificate Of Incorporation [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ThirdAmendedAndRestatedCertificateOfIncorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Third amended and restated certificate of incorporation. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Gross </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Property, Plant and Equipment, Gross, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Property, Plant and Equipment, Gross, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use Assets Obtained In Exchange For New Operating Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Right-of-Use Asset Obtained in Exchange for Operating Lease Liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Hedging Designation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Forfeited, weighted average exercise price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Forfeited, weighted average exercise price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Acquisition, Acquiree [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangements by share based payment award options vested in period weighted average exercise price. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangements by Share Based Payment Award Options Vested in Period Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vested, weighted average exercise price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Legal Entity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Legal Entity [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, to be Paid, Year One </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Emerging Growth Company </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Emerging Growth Company </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Acquisition of operations, Percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Acquisition, Percentage of Voting Interests Acquired </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Conversion rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amendment Flag </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amendment Flag </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Accrued Expenses and Other Current Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Accrued Liabilities [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2026 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> IPO </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> IPO [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basis of Presentation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of right-of-use asset </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Right-of-Use Asset, Amortization </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Future Amortization Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from revolving credit facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Lines of Credit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Proceeds from Lines of Credit, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Wholly-owned Subsidiary </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsidiaries [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationTaxEffectOfAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Tax effect of: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Leases [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2029 and thereafter </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Variable Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Variable Rate [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net gain (loss) reclassified from Accumulated other comprehensive loss into Interest expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity File Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Securities Act File Number </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Series of Individually Immaterial Business Acquisitions [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseCostsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease cost: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseCostsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Costs [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FinanceLeaseCostsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease costs. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income taxes. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total non-current deferred tax assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Gross </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts Receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_MaintenanceServicesSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maintenance Services </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-average incremental borrowing rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Weighted Average Discount Rate, Percent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total long-term debt, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Excluding Current Maturities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Long-term Debt, Excluding Current Maturities, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash and cash equivalents, beginning of period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash and cash equivalents, end of period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Assets, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePracticalExpedientFinancingComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue, practical expedient, financing component </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePracticalExpedientFinancingComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Practical Expedient, Financing Component [true false] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Payable, Current </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accounts Payable, Current, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Valuation allowance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Valuation allowance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ownership interest in percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLossCarryforwardsExpirationStartYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net operating losses, expiration start year </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLossCarryforwardsExpirationStartYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiration Start Year </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLossCarryforwardsExpirationStartYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating loss carryforwards expiration start year. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerBilledRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Contract with customer billed revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerBilledRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract With Customer Billed Revenue </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractWithCustomerBilledRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contract with customer billed revenue. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Auditor Location </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Auditor Location </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest Rate Contracts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Rate Contract [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued expenses and other current liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Liabilities and Other Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accrued Liabilities and Other Liabilities, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected term (in years) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reverse stock split description </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stockholders' Equity, Reverse Stock Split </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Address Line Two </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Address Line Two </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, $0.01 par value; 50,000,000 shares authorized; no shares issued or outstanding as of September 30, 2023 and September 30, 2022 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Preferred Stock, net of issuance costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Value, Issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Preferred Stock, Value, Issued, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Preferred Stock, Value, Issued, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Preferred Stock, Value, Issued, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Small Business </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Small Business </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Shell Company </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Shell Company </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Number of operating segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number of Operating Segments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Type [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BuildingAndLeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Building and Leasehold Improvements </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BuildingAndLeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Building And Leasehold Improvements [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_BuildingAndLeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Buildings and leasehold improvements. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UnderwritingDiscountsAndEstimatedOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Underwriting discounts and estimated offering expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UnderwritingDiscountsAndEstimatedOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Underwriting Discounts And Estimated Offering Expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_UnderwritingDiscountsAndEstimatedOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Underwriting discounts and estimated offering expenses. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitment fee for unused balance of facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Line of Credit Facility, Unused Capacity, Commitment Fee Percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingAndFinanceLeasesRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Remaining lease terms </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> (Loss) Earnings Per Share of Common Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Forfeited | Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Number of stock options forfeited </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Address Line One </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Address Line One </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ProceedsFromDivestitureOfBusinessesIncludingTransactionsFeesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash consideration received from divestiture </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ProceedsFromDivestitureOfBusinessesIncludingTransactionsFeesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Divestiture Of Businesses Including Transactions Fees Paid </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ProceedsFromDivestitureOfBusinessesIncludingTransactionsFeesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Proceeds from divestiture of businesses including transactions fees paid. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Corporate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Corporate Segment [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AdjustedEBITDA_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Adjusted EBITDA </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AdjustedEBITDA_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Adjusted E B I T D A </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_AdjustedEBITDA_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Adjusted EBITDA. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingAndFinanceLeaseRenewalOptionTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease renewal option term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingAndFinanceLeaseRenewalOptionTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating And Finance Lease Renewal Option Term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LesseeOperatingAndFinanceLeaseRenewalOptionTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee operating and finance lease renewal option term. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredCompensationArrangementPercentageOfParticipantsCompensationDeferred_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of participants compensation deferred </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredCompensationArrangementPercentageOfParticipantsCompensationDeferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Compensation Arrangement Percentage Of Participants Compensation Deferred </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DeferredCompensationArrangementPercentageOfParticipantsCompensationDeferred_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred compensation arrangement percentage of participants compensation deferred. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Carrying Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Statement Location </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement Location [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Variable lease costs not included in lease liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Variable Lease, Cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax liabilities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Net [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CarrybackClaim_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Carryback claim refunded </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CarrybackClaim_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Carryback claim. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CarrybackClaim_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Carryback Claim </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CarrybackClaim_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Carryback claim, net of adjustments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividend yield </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term Debt, Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Type [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net (loss) income </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RightOfUseAssetAndLeaseLiabilityClassifiedAsDeferredRentObligationsAndExitOrDisposalLiabilitiesAndPrepaidRent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use asset and lease liability classified as deferred rent obligations and exit/disposal liabilities, and prepaid rent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RightOfUseAssetAndLeaseLiabilityClassifiedAsDeferredRentObligationsAndExitOrDisposalLiabilitiesAndPrepaidRent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Right Of Use Asset And Lease Liability Classified As Deferred Rent Obligations And Exit Or Disposal Liabilities And Prepaid Rent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_RightOfUseAssetAndLeaseLiabilityClassifiedAsDeferredRentObligationsAndExitOrDisposalLiabilitiesAndPrepaidRent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Right-of-use asset and lease liability classified as deferred rent obligations and exit/disposal liabilities, and prepaid rent. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommitmentsAndContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments And Contingencies [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommitmentsAndContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments And Contingencies [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommitmentsAndContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Commitments and contingencies table. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2028 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractualRepaymentsOfLongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Contractual Repayments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractualRepaymentsOfLongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contractual Repayments Of Long Term Debt [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ContractualRepaymentsOfLongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contractual repayments of long-term debt. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Level 2 Inputs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Level 2 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FirstLienRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> First Lien Revolving Credit Facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FirstLienRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> First Lien Revolving Credit Facility [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FirstLienRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> First lien revolving credit facility. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share issued to holders of units </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Common stock shares issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total long term debt </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use Assets Obtained In Exchange For New Finance Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Right-of-Use Asset Obtained in Exchange for Finance Lease Liability </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Product and Service </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Product and Service [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use asset </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Title of 12(b) Security </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Title of 12(b) Security </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State tax, net of federal tax (benefit) expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accumulated Amortization </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> convertible preferred stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Temporary Equity, Carrying Amount, Attributable to Parent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prime Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Prime Rate [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Intangible Assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Finite-Lived Intangible Assets [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FuelSwapContractsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fuel Swap Contracts </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FuelSwapContractsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fuel Swap Contracts [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_FuelSwapContractsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fuel swap contracts. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CostOfServicesProvidedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost of Services Provided </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CostOfServicesProvidedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost Of Services Provided [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CostOfServicesProvidedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cost of services provided. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trademarks </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Trademarks [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Treasury Stock [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Treasury Stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Treasury Stock, Common [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Country </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Country </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Changes and Error Corrections [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash flows from investing activities: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Carrying Value </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest Rate Swaps </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Rate Swap [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> State and Local Jurisdiction [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of credit facility, amount outstanding balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Line of Credit </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Long-term Line of Credit, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill impairment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Impairment Loss </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill, Impairment Loss </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock compensation awards </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Diluted, Adjustment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Disclosure Item Amounts [Default] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Portion at Fair Value Measurement [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://fasb.org/us-gaap/role/label/axisDefault"> Portion at Fair Value Measurement [Member] [Default] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxCreditRelatedToEmployeeRetention_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax credit related to employee retention. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxCreditRelatedToEmployeeRetention_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Credit Related to Employee Retention </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxCreditRelatedToEmployeeRetention_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax credit related to employee retention </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-Lived Tangible Asset </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Lived Tangible Asset [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Effects on Consolidated Financial Statements of Designated As Cash Flow Hedges </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCashFlowHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TerminatedNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Terminated notional amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TerminatedNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Terminated Notional Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TerminatedNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Terminated notional amount. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Receivable </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Receivable [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other non-cash activities, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Operating Activities, Cash Flow Statement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Transportation Vehicles </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Vehicles [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Intangible assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares, Outstanding </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Common Stock, Shares, Outstanding, Beginning Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Common Stock, Shares, Outstanding, Ending Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Risk-free interest rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity-Based Compensation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfProductInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Product Information [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfProductInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Product Information [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuedInMayTwentyTwoTwoThousandAndTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issued in May 22, 2020 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuedInMayTwentyTwoTwoThousandAndTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Issued In May Twenty Two Two Thousand And Twenty [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuedInMayTwentyTwoTwoThousandAndTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Issued in May twenty two, two thousand and twenty. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating leases: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Leases [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_OperatingLeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating leases. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Statement Location </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement Location [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Weighted average distribution price per share of PSU </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Granted, weighted average exercise price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_EstablishPublicCompanyFinancialReportingCompliance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Establish public company financial reporting compliance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_EstablishPublicCompanyFinancialReportingCompliance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Establish Public Company Financial Reporting Compliance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_EstablishPublicCompanyFinancialReportingCompliance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Establish public company financial reporting compliance. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net derivative gains and other costs arising during the period, net of tax expense of $9.5; $1.7; and $0.8, respectively </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends on Series A convertible preferred shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Value, Stock Dividend </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Type </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ownership </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Ownership [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Combination, Integration Related Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Agreement </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Agreement [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Credit agreement. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Investing Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash (used) by investing activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill and Intangible Assets Disclosure [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Intangible Assets, Goodwill and Acquisitions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Notional amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative, Notional Amount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net (loss) income attributable to common stockholders </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss) Available to Common Stockholders, Basic </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other non-current deferred tax liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Other </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Financing Activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash (used) by financing activities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Filer Category </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Filer Category </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_LeasesOfLesseeOperatingLeasesAndFinanceLeasesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Leases </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Location </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Balance Sheet Location [Domain] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Variable Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Variable Rate [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuanceInNovemberTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issued in November 28, 2018 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuanceInNovemberTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Issuance In November Twenty Eight Two Thousand Eighteen [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuanceInNovemberTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Issuance in November twenty eight, two thousand eighteen. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncompeteAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Noncompete Agreements </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Property Plant And Equipment [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Table] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: Financing costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Useful Life </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total stockholders’ equity </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative effect on retained earnings </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity, Attributable to Parent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average amortization period for intangible assets </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consolidated Entities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidated Entities [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Documents Incorporated by Reference </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Documents Incorporated by Reference [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Intangible assets, net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Intangible Assets, Net (Excluding Goodwill) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income (loss) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net income (loss) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income (loss) available to common stockholders </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Interest Expense, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net proceeds from the issuance of common stock </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Issuance Initial Public Offering </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Award Date </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Award Date [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DebtIssuanceAndPrepaymentCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Debt issuance and prepayment costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DebtIssuanceAndPrepaymentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt issuance and Prepayment Costs </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_DebtIssuanceAndPrepaymentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt issuance and prepayment costs. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease Liability, Payment Due [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair value of Financial Instruments </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Financial Position [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Classification on balance sheets: </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average number of common shares outstanding – diluted </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Diluted </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number of Shares Outstanding, Diluted, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Offering-related expenses </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Noninterest Expense Offering Cost </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Redemption </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Income Tax Expense (Benefit) Differs from Amount Computed at Federal Statutory Corporate Tax Rate </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommonStockAffiliatesHoldingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, affiliates holding percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommonStockAffiliatesHoldingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Affiliates Holding Percentage </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_CommonStockAffiliatesHoldingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Common stock, affiliates holding percentage. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuanceInNovemberTwentyTwoTwoThousandAndNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issued in November 22, 2019 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuanceInNovemberTwentyTwoTwoThousandAndNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Issuance In November Twenty Two Two Thousand And Nineteen [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IssuanceInNovemberTwentyTwoTwoThousandAndNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Issuance in November twenty two two thousand and nineteen. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Initial offering price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares Issued, Price Per Share </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SecondLienCreditFacilityTermLoanDueTwentyTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Second Lien Credit Facility Term Loan Due 2021 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SecondLienCreditFacilityTermLoanDueTwentyTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Second Lien Credit Facility Term Loan Due Twenty Twenty One [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SecondLienCreditFacilityTermLoanDueTwentyTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Second lien credit facility term loan due 2021. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SnowRemovalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Snow Removal </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SnowRemovalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Snow Removal [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_SnowRemovalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Snow removal. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-average remaining lease term (years) </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Weighted Average Remaining Lease Term </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Use of Estimates </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Use of Estimates, Policy [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Disclosure [Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Weighted Average Exercise Price, Outstanding at September 30, 2023 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Weighted Average Exercise Price, Outstanding at September 30, 2022 </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finite Lived Intangible Assets [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TwoThousandAndTwentyThreeEmploymentInducementIncentiveAwardPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2023 Employment Inducement Incentive Award Plan </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TwoThousandAndTwentyThreeEmploymentInducementIncentiveAwardPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand And Twenty Three Employment Inducement Incentive Award Plan [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_TwoThousandAndTwentyThreeEmploymentInducementIncentiveAwardPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two thousand and twenty three employment inducement incentive award plan. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationNondeductibleExpensePromotionalAndEntertainment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-deductible promotional and entertainment expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationNondeductibleExpensePromotionalAndEntertainment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Nondeductible Expense Promotional And Entertainment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_IncomeTaxReconciliationNondeductibleExpensePromotionalAndEntertainment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax reconciliation non-deductible expense promotional and entertainment. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reconciliation of Numerator and Denominator for Basic and Diluted Earnings (loss) Per Share Calculation </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gain on reclassification of other comprehensive income to earnings </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Disaggregation Of Revenue [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Line Items] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax Authority </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Authority [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Disclosures [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Hierarchy and NAV [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, to be Paid, Year Three </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Measurement Frequency </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Designated </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Hedging Designation [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchase of property and equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capital Expenditures </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Property, Plant, and Equipment </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Payments to Acquire Property, Plant, and Equipment, Total </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest on lease liabilities </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Interest Expense </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Reclassification, Comparability Adjustment [Policy Text Block] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: Original issue discount </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Unamortized Discount, Noncurrent </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Performance stock unit awards vested </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock, Shares </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Common stock, shares issued </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Shares, New Issues </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ManagementEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> The Plan </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ManagementEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Management Equity Incentive Plan [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="bv_ManagementEquityIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Management equity incentive plan. </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Acquisition [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Acquisitions </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update and Change in Accounting Principle [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Disclosure [Abstract] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finite-Lived Intangible Assets by Major Class </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash Flow Hedges </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Flow Hedging [Member] </link:label>

<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net operating losses </link:label>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillLineItems_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorFirmId" xlink:to="dei_AuditorFirmId_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived" xlink:to="bv_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligation" xlink:to="us-gaap_RevenueRemainingPerformanceObligation_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfStockIssuanceCosts" xlink:to="us-gaap_PaymentsOfStockIssuanceCosts_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCurrentAssetsMember" xlink:to="us-gaap_OtherCurrentAssetsMember_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_CustomerRelationshipsAndNonCompeteAgreementsMember" xlink:to="bv_CustomerRelationshipsAndNonCompeteAgreementsMember_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:to="us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_ReverseStockSplitPolicyTextBlock" xlink:to="bv_ReverseStockSplitPolicyTextBlock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_InsurancePolicyMember" xlink:to="bv_InsurancePolicyMember_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_ContractWithCustomerUnbilledRevenueAdditions" xlink:to="bv_ContractWithCustomerUnbilledRevenueAdditions_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:to="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_FinanceLeaseCost" xlink:to="bv_FinanceLeaseCost_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_IcfrAuditorAttestationFlag" xlink:to="dei_IcfrAuditorAttestationFlag_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:to="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterialsAndSupplies" xlink:to="us-gaap_InventoryRawMaterialsAndSupplies_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchasedDuringPeriodShares" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="us-gaap_FairValueDisclosureItemAmountsDomain_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockCommonValue" xlink:to="us-gaap_TreasuryStockCommonValue_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_COVID19RelatedExpenses" xlink:to="bv_COVID19RelatedExpenses_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedDiscount" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscount_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="us-gaap_ScheduleOfGoodwillTable_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bv_PercentageOfPrincipleBalanceUsedToCalculateAmountOfQuarterlyInstallmentsDue" xlink:to="bv_PercentageOfPrincipleBalanceUsedToCalculateAmountOfQuarterlyInstallmentsDue_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet" xlink:to="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:to="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOther" xlink:to="us-gaap_DeferredTaxAssetsOther_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPreferredStockStock" xlink:to="us-gaap_DividendsPreferredStockStock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtTextBlock" xlink:to="us-gaap_LongTermDebtTextBlock_lbl"/>

<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl"/>

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Filing Submission 0000950170-23-064336 – Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)