SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Great Lakes Dredge & Dock Corp. – ‘10-Q’ for 6/30/22 – ‘EX-101.SCH’

On:  Tuesday, 8/2/22, at 4:02pm ET   ·   For:  6/30/22   ·   Accession #:  1564590-22-27462   ·   File #:  1-33225

Previous ‘10-Q’:  ‘10-Q’ on 5/3/22 for 3/31/22   ·   Next:  ‘10-Q’ on 11/1/22 for 9/30/22   ·   Latest:  ‘10-Q’ on 11/7/23 for 9/30/23

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 8/02/22  Great Lakes Dredge & Dock Corp.   10-Q        6/30/22   51:6.9M                                   ActiveDisclosure/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   2.11M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     22K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     22K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     19K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     19K 
11: R1          Document and Entity Information                     HTML     70K 
12: R2          Condensed Consolidated Balance Sheets               HTML    119K 
13: R3          Condensed Consolidated Balance Sheets               HTML     24K 
                (Parenthetical)                                                  
14: R4          Condensed Consolidated Statements of Operations     HTML     87K 
15: R5          Condensed Consolidated Statements of Comprehensive  HTML     35K 
                Income (Loss)                                                    
16: R6          Condensed Consolidated Statements of Comprehensive  HTML     18K 
                Income (Loss) (Parenthetical)                                    
17: R7          Condensed Consolidated Statements of Equity         HTML     71K 
18: R8          Condensed Consolidated Statements of Cash Flows     HTML    102K 
19: R9          Basis of Presentation                               HTML     22K 
20: R10         Earnings Per Share                                  HTML     95K 
21: R11         Accrued Expenses                                    HTML     51K 
22: R12         Long-term Debt                                      HTML     29K 
23: R13         Fair Value Measurements                             HTML    236K 
24: R14         Share-Based Compensation                            HTML     22K 
25: R15         Revenue                                             HTML    218K 
26: R16         Commitments and Contingencies                       HTML     29K 
27: R17         Earnings Per Share (Tables)                         HTML     92K 
28: R18         Accrued Expenses (Tables)                           HTML     50K 
29: R19         Fair Value Measurements (Tables)                    HTML    227K 
30: R20         Revenue (Tables)                                    HTML    215K 
31: R21         Basis of Presentation (Narrative) (Details)         HTML     22K 
32: R22         Earnings Per Share - (Computations for Basic and    HTML     49K 
                Diluted Earnings Per Share) (Details)                            
33: R23         Earnings Per Share - (Narrative) (Details)          HTML     18K 
34: R24         Accrued Expenses (Details)                          HTML     31K 
35: R25         Long-Term Debt (Narrative) (Details)                HTML     75K 
36: R26         Fair Value Measurements (Schedule of Fair Values    HTML     29K 
                of Financial Instruments and Nonfinancial Assets                 
                and Liabilities Measured at the Reporting Date)                  
                (Details)                                                        
37: R27         Fair Value Measurements (Narrative) (Details)       HTML     59K 
38: R28         Fair Value Measurements (Changes in Components of   HTML     35K 
                Accumulated Other Comprehensive Income (Loss)                    
                (Details)                                                        
39: R29         Fair Value Measurements (Adjustments Reclassified   HTML     41K 
                from Accumulated Balances Other Comprehensive                    
                Income (Loss) to Earnings) (Details)                             
40: R30         Share-Based Compensation (Narrative) (Details)      HTML     32K 
41: R31         Revenue (Narrative) (Details)                       HTML     33K 
42: R32         Revenue (Summary of Type of Work, Contract          HTML     38K 
                Revenues) (Details)                                              
43: R33         Revenue (Summary of Type of Customer, Contract      HTML     36K 
                Revenues) (Details)                                              
44: R34         Revenue (Schedule of Accounts Receivable)           HTML     30K 
                (Details)                                                        
45: R35         Revenue (Components of Contracts in Progress)       HTML     38K 
                (Details)                                                        
46: R36         Commitments and Contingencies (Narrative)           HTML     41K 
                (Details)                                                        
49: XML         IDEA XML File -- Filing Summary                      XML     88K 
47: XML         XBRL Instance -- gldd-10q_20220630_htm               XML   1.73M 
48: EXCEL       IDEA Workbook of Financial Reports                  XLSX     80K 
 7: EX-101.CAL  XBRL Calculations -- gldd-20220630_cal               XML    133K 
 8: EX-101.DEF  XBRL Definitions -- gldd-20220630_def                XML    292K 
 9: EX-101.LAB  XBRL Labels -- gldd-20220630_lab                     XML    776K 
10: EX-101.PRE  XBRL Presentations -- gldd-20220630_pre              XML    538K 
 6: EX-101.SCH  XBRL Schema -- gldd-20220630                         XSD    113K 
50: JSON        XBRL Instance as JSON Data -- MetaLinks              266±   397K 
51: ZIP         XBRL Zipped Folder -- 0001564590-22-027462-xbrl      Zip    219K

‘EX-101.SCH’   —   XBRL Schema — gldd-20220630

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date : 2022-08-02T18:05:18.5064227+00:00 -->
<!-- Version : 5.0.1.747 -->
<!-- Package ID : 5c8123b217174dbba83dd02f0eb74b19 -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:us-types="http://fasb.org/us-types/2022" xmlns:stpr="http://xbrl.sec.gov/stpr/2022" xmlns:srt-types="http://fasb.org/srt-types/2022" xmlns:sic="http://xbrl.sec.gov/sic/2022" xmlns:gldd="http://www.gldd.com/20220630" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:srt="http://fasb.org/srt/2022" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-gaap="http://fasb.org/us-gaap/2022" xmlns:naics="http://xbrl.sec.gov/naics/2022" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:country="http://xbrl.sec.gov/country/2022" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:currency="http://xbrl.sec.gov/currency/2022" xmlns:exch="http://xbrl.sec.gov/exch/2022" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.gldd.com/20220630" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
<xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
<xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
<xsd:import schemaLocation="https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd" namespace="http://xbrl.org/2020/extensible-enumerations-2.0"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd" namespace="http://xbrl.sec.gov/country/2022"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/currency/2022/currency-2022.xsd" namespace="http://xbrl.sec.gov/currency/2022"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd" namespace="http://xbrl.sec.gov/dei/2022"/>
<xsd:import schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" namespace="http://www.xbrl.org/dtr/type/2020-01-21"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/exch/2022/exch-2022.xsd" namespace="http://xbrl.sec.gov/exch/2022"/>
<xsd:import schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact"/>
<xsd:import schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/negated"/>
<xsd:import schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/net"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/naics/2022/naics-2022.xsd" namespace="http://xbrl.sec.gov/naics/2022"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/sic/2022/sic-2022.xsd" namespace="http://xbrl.sec.gov/sic/2022"/>
<xsd:import schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd" namespace="http://fasb.org/srt/2022"/>
<xsd:import schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-roles-2022.xsd" namespace="http://fasb.org/srt-roles/2022"/>
<xsd:import schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd" namespace="http://fasb.org/srt-types/2022"/>
<xsd:import schemaLocation="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd" namespace="http://xbrl.sec.gov/stpr/2022"/>
<xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd" namespace="http://fasb.org/us-gaap/2022"/>
<xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd" namespace="http://fasb.org/us-roles/2022"/>
<xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd" namespace="http://fasb.org/us-types/2022"/>
<xsd:annotation>
<xsd:appinfo>
<link:roleType id="TemplateLink" roleURI="http://www.gldd.com/20220630/role/TemplateLink" xmlns:link="http://www.xbrl.org/2003/linkbase">
<link:definition> 00000 - Document - Template Link </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="gldd-20220630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:title="Calculation Links, all" xlink:type="simple" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink"/>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="gldd-20220630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition Links, all" xlink:type="simple"/>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="gldd-20220630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple"/>
<link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="gldd-20220630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple"/>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
<link:definition> 100000 - Document - Document and Entity Information </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedBalanceSheets" id="Role_StatementCondensedConsolidatedBalanceSheets">
<link:definition> 100010 - Statement - Condensed Consolidated Balance Sheets </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" id="Role_StatementCondensedConsolidatedBalanceSheetsParenthetical">
<link:definition> 100020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperations" id="Role_StatementCondensedConsolidatedStatementsOfOperations">
<link:definition> 100030 - Statement - Condensed Consolidated Statements of Operations </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" id="Role_StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLoss">
<link:definition> 100040 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" id="Role_StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical">
<link:definition> 100050 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfEquity" id="Role_StatementCondensedConsolidatedStatementsOfEquity">
<link:definition> 100060 - Statement - Condensed Consolidated Statements of Equity </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlows" id="Role_StatementCondensedConsolidatedStatementsOfCashFlows">
<link:definition> 100070 - Statement - Condensed Consolidated Statements of Cash Flows </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureBasisOfPresentation" id="Role_DisclosureBasisOfPresentation">
<link:definition> 100080 - Disclosure - Basis of Presentation </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureEarningsPerShare" id="Role_DisclosureEarningsPerShare">
<link:definition> 100090 - Disclosure - Earnings Per Share </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureAccruedExpenses" id="Role_DisclosureAccruedExpenses">
<link:definition> 100100 - Disclosure - Accrued Expenses </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureLongTermDebt" id="Role_DisclosureLongTermDebt">
<link:definition> 100110 - Disclosure - Long-term Debt </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureFairValueMeasurements" id="Role_DisclosureFairValueMeasurements">
<link:definition> 100120 - Disclosure - Fair Value Measurements </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureShareBasedCompensation" id="Role_DisclosureShareBasedCompensation">
<link:definition> 100130 - Disclosure - Share-Based Compensation </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenue" id="Role_DisclosureRevenue">
<link:definition> 100140 - Disclosure - Revenue </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureCommitmentsAndContingencies" id="Role_DisclosureCommitmentsAndContingencies">
<link:definition> 100150 - Disclosure - Commitments and Contingencies </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureEarningsPerShareTables" id="Role_DisclosureEarningsPerShareTables">
<link:definition> 100160 - Disclosure - Earnings Per Share (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureAccruedExpensesTables" id="Role_DisclosureAccruedExpensesTables">
<link:definition> 100170 - Disclosure - Accrued Expenses (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureFairValueMeasurementsTables" id="Role_DisclosureFairValueMeasurementsTables">
<link:definition> 100180 - Disclosure - Fair Value Measurements (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueTables" id="Role_DisclosureRevenueTables">
<link:definition> 100190 - Disclosure - Revenue (Tables) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureBasisOfPresentationNarrativeDetails" id="Role_DisclosureBasisOfPresentationNarrativeDetails">
<link:definition> 100200 - Disclosure - Basis of Presentation (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureEarningsPerShareComputationsForBasicAndDilutedEarningsPerShareDetails" id="Role_DisclosureEarningsPerShareComputationsForBasicAndDilutedEarningsPerShareDetails">
<link:definition> 100210 - Disclosure - Earnings Per Share - (Computations for Basic and Diluted Earnings Per Share) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureEarningsPerShareNarrativeDetails" id="Role_DisclosureEarningsPerShareNarrativeDetails">
<link:definition> 100220 - Disclosure - Earnings Per Share - (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureAccruedExpensesDetails" id="Role_DisclosureAccruedExpensesDetails">
<link:definition> 100230 - Disclosure - Accrued Expenses (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureLongTermDebtNarrativeDetails" id="Role_DisclosureLongTermDebtNarrativeDetails">
<link:definition> 100240 - Disclosure - Long-Term Debt (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfFairValuesOfFinancialInstrumentsAndNonfinancialAssetsAndLiabilitiesMeasuredAtReportingDateDetails" id="Role_DisclosureFairValueMeasurementsScheduleOfFairValuesOfFinancialInstrumentsAndNonfinancialAssetsAndLiabilitiesMeasuredAtReportingDateDetails">
<link:definition> 100250 - Disclosure - Fair Value Measurements (Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureFairValueMeasurementsNarrativeDetails" id="Role_DisclosureFairValueMeasurementsNarrativeDetails">
<link:definition> 100260 - Disclosure - Fair Value Measurements (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureFairValueMeasurementsChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossDetails" id="Role_DisclosureFairValueMeasurementsChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossDetails">
<link:definition> 100270 - Disclosure - Fair Value Measurements (Changes in Components of Accumulated Other Comprehensive Income (Loss) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureFairValueMeasurementsAdjustmentsReclassifiedFromAccumulatedBalancesOtherComprehensiveIncomeLossToEarningsDetails" id="Role_DisclosureFairValueMeasurementsAdjustmentsReclassifiedFromAccumulatedBalancesOtherComprehensiveIncomeLossToEarningsDetails">
<link:definition> 100280 - Disclosure - Fair Value Measurements (Adjustments Reclassified from Accumulated Balances Other Comprehensive Income (Loss) to Earnings) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureShareBasedCompensationNarrativeDetails" id="Role_DisclosureShareBasedCompensationNarrativeDetails">
<link:definition> 100290 - Disclosure - Share-Based Compensation (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueNarrativeDetails" id="Role_DisclosureRevenueNarrativeDetails">
<link:definition> 100300 - Disclosure - Revenue (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueSummaryOfTypeOfWorkContractRevenuesDetails" id="Role_DisclosureRevenueSummaryOfTypeOfWorkContractRevenuesDetails">
<link:definition> 100310 - Disclosure - Revenue (Summary of Type of Work, Contract Revenues) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueSummaryOfTypeOfCustomerContractRevenuesDetails" id="Role_DisclosureRevenueSummaryOfTypeOfCustomerContractRevenuesDetails">
<link:definition> 100320 - Disclosure - Revenue (Summary of Type of Customer, Contract Revenues) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueScheduleOfAccountsReceivableDetails" id="Role_DisclosureRevenueScheduleOfAccountsReceivableDetails">
<link:definition> 100330 - Disclosure - Revenue (Schedule of Accounts Receivable) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueComponentsOfContractsInProgressDetails" id="Role_DisclosureRevenueComponentsOfContractsInProgressDetails">
<link:definition> 100340 - Disclosure - Revenue (Components of Contracts in Progress) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueComponentsOfContractsInProgressDetails2" id="Role_DisclosureRevenueComponentsOfContractsInProgressDetails2">
<link:definition> 100350 - Disclosure - Revenue (Components of Contracts in Progress) (Details)2 </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureCommitmentsAndContingenciesNarrativeDetails" id="Role_DisclosureCommitmentsAndContingenciesNarrativeDetails">
<link:definition> 100360 - Disclosure - Commitments and Contingencies (Narrative) (Details) </link:definition>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
</xsd:appinfo>
</xsd:annotation>
<xsd:element id="gldd_CostsAndEarningsInExcessOfBillingsForContractsInProgress" name="CostsAndEarningsInExcessOfBillingsForContractsInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_CostsAndEarningsInExcessOfBillingsForCompletedContracts" name="CostsAndEarningsInExcessOfBillingsForCompletedContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_AccountsReceivableExcludingContractReceivableCurrent" name="AccountsReceivableExcludingContractReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_VestingOfRestrictedStockUnitsSharesAndImpactOfSharesWithheldForTaxes" name="VestingOfRestrictedStockUnitsSharesAndImpactOfSharesWithheldForTaxes" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_VestingOfRestrictedStockUnitsValueAndImpactOfSharesWithheldForTaxes" name="VestingOfRestrictedStockUnitsValueAndImpactOfSharesWithheldForTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense" name="AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" name="IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_InterestPaidNetOfCashReceived" name="InterestPaidNetOfCashReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_ScheduleOfFairValuesOfFinancialInstrumentsAndNonfinancialAssetsAndLiabilitiesMeasuredTableTextBlock" name="ScheduleOfFairValuesOfFinancialInstrumentsAndNonfinancialAssetsAndLiabilitiesMeasuredTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_NumberOfReportableSegmentsWithGoodwill" name="NumberOfReportableSegmentsWithGoodwill" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_AccruedContractReservesLiabilitiesCurrent" name="AccruedContractReservesLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_GreenLoanOptionMember" name="GreenLoanOptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_DomesticRateMember" name="DomesticRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_GreenLoanAdvanceRatesMember" name="GreenLoanAdvanceRatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_TwoThousandTwentyNineNotesMember" name="TwoThousandTwentyNineNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_EightPercentSeniorNotesDueInTwoThousandTwentyTwoMember" name="EightPercentSeniorNotesDueInTwoThousandTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_LineOfCreditFacilityOptionalIncreaseCapacity" name="LineOfCreditFacilityOptionalIncreaseCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_FixedChargeCoverageRatio" name="FixedChargeCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_LineOfCreditFacilityExpirationDescription" name="LineOfCreditFacilityExpirationDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_OwnedDomesticSubsidiariesPercent" name="OwnedDomesticSubsidiariesPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_FuelHedgeContractsMember" name="FuelHedgeContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_ForeignCurrencyExchangeHedgeContractsMember" name="ForeignCurrencyExchangeHedgeContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_DerivativeUnderlyingHedgePercent" name="DerivativeUnderlyingHedgePercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_EmployeesAndDirectorsMember" name="EmployeesAndDirectorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_TwoThousandSeventeenLongTermIncentivePlanMember" name="TwoThousandSeventeenLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_TwoThousandSevenLongTermIncentivePlanMember" name="TwoThousandSevenLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_PerformanceObligationExpectedToBeRecognizedAsRevenueYear" name="PerformanceObligationExpectedToBeRecognizedAsRevenueYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_PercentageOfPerformanceObligationToBeRecognizedAsRevenue" name="PercentageOfPerformanceObligationToBeRecognizedAsRevenue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_RevenueFromContractWithCustomerLineItems" name="RevenueFromContractWithCustomerLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_RevenueFromContractWithCustomerTable" name="RevenueFromContractWithCustomerTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_OtherCurrentAndNoncurrentAssetsMember" name="OtherCurrentAndNoncurrentAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_TypeOfWorkMember" name="TypeOfWorkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_DredgingMember" name="DredgingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_CapitalDredgingUSMember" name="CapitalDredgingUSMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_CapitalDredgingForeignMember" name="CapitalDredgingForeignMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_BeachNourishmentDredgingMember" name="BeachNourishmentDredgingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_MaintenanceDredgingMember" name="MaintenanceDredgingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_RiversLakesMember" name="RiversLakesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_TypeOfCustomerMember" name="TypeOfCustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_FederalGovernmentMember" name="FederalGovernmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_StateAndLocalGovernmentMember" name="StateAndLocalGovernmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_PrivateMember" name="PrivateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_ForeignMember" name="ForeignMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_AccountsReceivableBilledForLongTermCompletedContractsOrPrograms" name="AccountsReceivableBilledForLongTermCompletedContractsOrPrograms" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_AccountsReceivableBilledForLongTermContractsOrProgramsInProgress" name="AccountsReceivableBilledForLongTermContractsOrProgramsInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_CostsAndEarningsForContractsInProgress" name="CostsAndEarningsForContractsInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_BillingsForContractsInProgress" name="BillingsForContractsInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_CostsAndEarningsInExcessOfBillingsMember" name="CostsAndEarningsInExcessOfBillingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_BillingsInExcessOfCostsAndEarningsMember" name="BillingsInExcessOfCostsAndEarningsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_IncreasedGrossProfit" name="IncreasedGrossProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_BidsBondRange" name="BidsBondRange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_OutstandingPerformanceBonds" name="OutstandingPerformanceBonds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_RevenueValueRemainingFromOutstandingPerformanceBonds" name="RevenueValueRemainingFromOutstandingPerformanceBonds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_CommitmentsAndContingenciesLineItems" name="CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_CommitmentsAndContingenciesTable" name="CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_IndemnificationCommitmentMember" name="IndemnificationCommitmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="gldd_WarrantyPeriods" name="WarrantyPeriods" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_QuantityOfOilSpill" name="QuantityOfOilSpill" type="dtr-types:volumeItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="gldd_FineForViolation" name="FineForViolation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_PotentialLiabilityForCriminalMatters" name="PotentialLiabilityForCriminalMatters" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="gldd_RestitutionOweOnLiabilityForCriminalMattersPreviouslyDeposited" name="RestitutionOweOnLiabilityForCriminalMattersPreviouslyDeposited" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="gldd_FinePaidForCriminalMatters" name="FinePaidForCriminalMatters" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>

↑Top
Filing Submission 0001564590-22-027462   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Tue., Apr. 30, 12:51:05.1pm ET