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      <TotalRevEtcAuditedFinclStmtAmt>4358776</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>4358776</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>4358776</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>4831749</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>31613</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>31613</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>4800136</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>4800136</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XII, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Decrease in claims payable and IBNR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO-01" softwareId="23017509">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Employer Association appoints trustees, union members elect union trustees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>At trustees meeting, the annual audit and form 990 are reviewed by the trustees with the Plans certified public accountant present. After review and any questions, form 990 is approved fort submission.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other</FormAndLineReferenceDesc>
        <ExplanationTxt>Part V Page #5 Number of employees reported on form W-3: The fund has no employees, however, must report disability benefits paid to participants on form W-2 and W-3.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other</FormAndLineReferenceDesc>
        <ExplanationTxt>Part XI Page 12 Line 9: Transfer from 401(H) account.</ExplanationTxt>
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          <AddressLine1Txt>4070 Dolan Drive</AddressLine1Txt>
          <CityNm>Flint</CityNm>
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          <AddressLine1Txt>4931 Contec Drive</AddressLine1Txt>
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          <AddressLine1Txt>2633 Carrollton</AddressLine1Txt>
          <CityNm>Saginaw</CityNm>
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          <AddressLine1Txt>2633 Carrollton</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
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          <AddressLine1Txt>3162 E Hemphill</AddressLine1Txt>
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        <RelatedOrganizationName>
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          <AddressLine1Txt>301 Elm Street</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>K &amp; R Metal Engineers Corp</BusinessNameLine1Txt>
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          <AddressLine1Txt>815 S Henry</AddressLine1Txt>
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          <AddressLine1Txt>204 Air Industrial Drive</AddressLine1Txt>
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        <USAddress>
          <AddressLine1Txt>1659 Horton Lake</AddressLine1Txt>
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          <BusinessNameLine1Txt>Hi-Tech Test &amp; Balance</BusinessNameLine1Txt>
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          <AddressLine1Txt>10270 Pierce Road</AddressLine1Txt>
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          <AddressLine1Txt>3419 Pierson Place</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Best Impressions Inc</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>524 S Franklin</AddressLine1Txt>
          <CityNm>Saginaw</CityNm>
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        <RelatedOrganizationName>
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          <CityNm>Saginaw</CityNm>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Traverse Bay Roofing Co</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>2464 M 37 South</AddressLine1Txt>
          <CityNm>Traverse City</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Bauer Sheet Metal</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>1550 Evanston</AddressLine1Txt>
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        <RelatedOrganizationName>
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          <AddressLine1Txt>9588 S Cedar</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Stafford Smith Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>3414 S Burdick</AddressLine1Txt>
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          <AddressLine1Txt>PO Box 5985</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Ceco Environmental Corp</BusinessNameLine1Txt>
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          <AddressLine1Txt>4625 Red Bank STE 200</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Morris Sheet Metal</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO Box 8007</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
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          <BusinessNameLine1Txt>Sheet Metal Works Unlimited</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>9080 East Road</AddressLine1Txt>
          <CityNm>Burt</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48417</ZIPCd>
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        <EntityTypeTxt>C</EntityTypeTxt>
        <OwnershipPct>0.00000</OwnershipPct>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>API Construction Company</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1100 Old Highway 8 NW</AddressLine1Txt>
          <CityNm>New Brighton</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>551126447</ZIPCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>MJ Mechanical Inc</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>11787 Prior Rd</AddressLine1Txt>
          <CityNm>St Charles</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48655</ZIPCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>S &amp; Z Sheet Metal</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>5237 Commerce Road</AddressLine1Txt>
          <CityNm>Flint</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48507</ZIPCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Saginaw Valley Metal Works</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>5892 State St Ste E</AddressLine1Txt>
          <CityNm>Saginaw</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48603</ZIPCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Suburban Mechanical</BusinessNameLine1Txt>
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          <AddressLine1Txt>500 S 8th Street</AddressLine1Txt>
          <CityNm>Kalamazoo</CityNm>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TweetGarot Mechanical Inc</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO Box 11767</AddressLine1Txt>
          <CityNm>Green Bay</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
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        <OwnershipPct>0.00000</OwnershipPct>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>