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<?xml version="1.0" encoding="windows-1252"?> |
<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase 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. --> |
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| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_NetIncomeLoss" order="10010.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" order="10020.00" priority="2" use="optional" weight="1.00"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInInventories"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" xlink:type="locator" xlink:label="gldd_IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensation"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense" xlink:type="locator" xlink:label="gldd_AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainsLossesOnSalesOfAssets" xlink:type="locator" xlink:label="us-gaap_GainsLossesOnSalesOfAssets"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:type="locator" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss" xlink:type="locator" xlink:label="us-gaap_ProfitLoss"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentOfFinancingAndStockIssuanceCosts" xlink:type="locator" xlink:label="us-gaap_PaymentOfFinancingAndStockIssuanceCosts"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashEquivalents" xlink:type="locator" xlink:label="us-gaap_RestrictedCashEquivalents"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="10010.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_RestrictedCashEquivalents" order="10020.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="10030.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" order="10040.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" order="10050.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_PaymentOfFinancingAndStockIssuanceCosts" order="10060.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" order="10070.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" order="10080.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="10090.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" order="10100.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_ProfitLoss" order="10110.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_DepreciationDepletionAndAmortization" order="10120.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit" order="10130.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_GainsLossesOnSalesOfAssets" order="10140.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="gldd_AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense" order="10150.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_ShareBasedCompensation" order="10160.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable" order="10170.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="gldd_IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" order="10180.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInInventories" order="10190.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" order="10200.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" order="10210.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" order="10220.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet" order="10230.00" priority="2" use="optional" weight="-1.00"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="10010.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" order="10020.00" priority="2" use="optional" weight="1.00"/> |
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| | <link:loc xlink:href="gldd-20220630.xsd#gldd_AccruedContractReservesLiabilitiesCurrent" xlink:type="locator" xlink:label="gldd_AccruedContractReservesLiabilitiesCurrent"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TaxesPayableCurrent" xlink:type="locator" xlink:label="us-gaap_TaxesPayableCurrent"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPayableCurrent" xlink:type="locator" xlink:label="us-gaap_InterestPayableCurrent"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:type="locator" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedInsuranceCurrent" xlink:type="locator" xlink:label="us-gaap_AccruedInsuranceCurrent"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:type="locator" xlink:label="us-gaap_CostOfGoodsAndServicesSold"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss" xlink:type="locator" xlink:label="us-gaap_NetIncomeLoss"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_CostOfGoodsAndServicesSold" order="10010.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="10020.00" priority="2" use="optional" weight="-1.00"/> |
| | </link:calculationLink> |
| <link:roleRef roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueScheduleOfAccountsReceivableDetails" xlink:href="gldd-20220630.xsd#Role_DisclosureRevenueScheduleOfAccountsReceivableDetails" xlink:type="simple"/> |
| <link:calculationLink xlink:type="extended" xlink:role="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueScheduleOfAccountsReceivableDetails"> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConstructionContractorReceivableRetainage" xlink:type="locator" xlink:label="us-gaap_ConstructionContractorReceivableRetainage"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_AccountsReceivableBilledForLongTermContractsOrProgramsInProgress" xlink:type="locator" xlink:label="gldd_AccountsReceivableBilledForLongTermContractsOrProgramsInProgress"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_AccountsReceivableBilledForLongTermCompletedContractsOrPrograms" xlink:type="locator" xlink:label="gldd_AccountsReceivableBilledForLongTermCompletedContractsOrPrograms"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableGross" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableGross"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNet" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNet"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AccountsReceivableGross" order="10010.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivable" order="10020.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableGross" xlink:to="gldd_AccountsReceivableBilledForLongTermCompletedContractsOrPrograms" order="10030.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableGross" xlink:to="gldd_AccountsReceivableBilledForLongTermContractsOrProgramsInProgress" order="10040.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableGross" xlink:to="us-gaap_ConstructionContractorReceivableRetainage" order="10050.00" priority="2" use="optional" weight="1.00"/> |
| | </link:calculationLink> |
| <link:roleRef roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueComponentsOfContractsInProgressDetails" xlink:href="gldd-20220630.xsd#Role_DisclosureRevenueComponentsOfContractsInProgressDetails" xlink:type="simple"/> |
| <link:calculationLink xlink:type="extended" xlink:role="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueComponentsOfContractsInProgressDetails"> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_CostsAndEarningsInExcessOfBillingsForCompletedContracts" xlink:type="locator" xlink:label="gldd_CostsAndEarningsInExcessOfBillingsForCompletedContracts"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_CostsAndEarningsInExcessOfBillingsForContractsInProgress" xlink:type="locator" xlink:label="gldd_CostsAndEarningsInExcessOfBillingsForContractsInProgress"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_CostsAndEarningsForContractsInProgress" xlink:type="locator" xlink:label="gldd_CostsAndEarningsForContractsInProgress"/> |
| | <link:loc xlink:href="gldd-20220630.xsd#gldd_BillingsForContractsInProgress" xlink:type="locator" xlink:label="gldd_BillingsForContractsInProgress"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="gldd_BillingsForContractsInProgress" order="10010.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="gldd_CostsAndEarningsForContractsInProgress" order="10020.00" priority="2" use="optional" weight="-1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms" xlink:to="gldd_CostsAndEarningsInExcessOfBillingsForContractsInProgress" order="10030.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms" xlink:to="gldd_CostsAndEarningsInExcessOfBillingsForCompletedContracts" order="10040.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="gldd_CostsAndEarningsInExcessOfBillingsForContractsInProgress" xlink:to="gldd_CostsAndEarningsForContractsInProgress" order="10050.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="gldd_CostsAndEarningsInExcessOfBillingsForContractsInProgress" xlink:to="gldd_BillingsForContractsInProgress" order="10060.00" priority="2" use="optional" weight="-1.00"/> |
| | </link:calculationLink> |
| <link:roleRef roleURI="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueComponentsOfContractsInProgressDetails2" xlink:href="gldd-20220630.xsd#Role_DisclosureRevenueComponentsOfContractsInProgressDetails2" xlink:type="simple"/> |
| <link:calculationLink xlink:type="extended" xlink:role="http://www.gldd.com/20220630/taxonomy/role/DisclosureRevenueComponentsOfContractsInProgressDetails2"> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractReceivableDueAfterOneYear" xlink:type="locator" xlink:label="us-gaap_ContractReceivableDueAfterOneYear"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractReceivableDueOneYearOrLess" xlink:type="locator" xlink:label="us-gaap_ContractReceivableDueOneYearOrLess"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms" xlink:to="us-gaap_ContractReceivableDueOneYearOrLess" order="10010.00" priority="2" use="optional" weight="1.00"/> |
| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms" xlink:to="us-gaap_ContractReceivableDueAfterOneYear" order="10020.00" priority="2" use="optional" weight="1.00"/> |
| | </link:calculationLink> |
| </link:linkbase> |