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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>78891</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>99993</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>438773</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>78462</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>249387</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>181222</TotalAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>290939</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>70758</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>162226</TotalAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>8390</TotalAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>7419</TotalAmt>
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      <InsuranceGrp>
        <TotalAmt>28535</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>FEES MANDATED BY ACA</Desc>
        <TotalAmt>17000</TotalAmt>
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      <TotalFunctionalExpensesGrp>
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        <EOYAmt>7364189</EOYAmt>
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        <EOYAmt>3042297</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>83722</EOYAmt>
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      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>28566</EOYAmt>
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        <EOYAmt>85177933</EOYAmt>
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      <OtherAssetsTotalGrp>
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        <EOYAmt>1931889</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>99952135</BOYAmt>
        <EOYAmt>98693121</EOYAmt>
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        <EOYAmt>86853</EOYAmt>
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        <BOYAmt>3296817</BOYAmt>
        <EOYAmt>2632123</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>3375870</BOYAmt>
        <EOYAmt>2718976</EOYAmt>
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      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
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        <EOYAmt>0</EOYAmt>
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      <PdInCapSrplsLandBldgEqpFundGrp>
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        <EOYAmt>0</EOYAmt>
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        <BOYAmt>96576265</BOYAmt>
        <EOYAmt>95974145</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>96576265</BOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>98693121</EOYAmt>
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      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <DepreciationAmt>572794</DepreciationAmt>
        <BookValueAmt>28566</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>28566</TotalBookValueLandBuildingsAmt>
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        <Desc>DEPOSITS - NON BARGAINED PLAN</Desc>
        <Amt>388800</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO BROKER</Desc>
        <Amt>1867323</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>FEES MANDATED BY ACA</Desc>
        <Amt>34000</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED INCOME - PREPAID NONBARGAINED CONTRIBUTIONS</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <NetUnrealizedGainsInvstAmt>-994058</NetUnrealizedGainsInvstAmt>
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      <RevenueNotReportedFinclStmtAmt>961915</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>51150746</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>49796893</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>49796893</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>249387</InvestmentExpensesNotIncld2Amt>
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      <ExpensesNotRptFinclStmtAmt>961915</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>50758808</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PLAN FILES FORM 990, RETURN OF ORGANIZATION EXEMPT FROM INCOME TAX AND FORM 5500, ANNUAL RETURN/REPORT OF EMPLOYEE BENEFIT PLAN. THE PLAN'S RETURNS ARE SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE UNTIL THE APPLICABLE STATUTE OF LIMITATION EXPIRES</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>REIMBURSED ADMINISTRATIVE EXPENSES 712,528.</ExplanationTxt>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
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        <NontaxableBenefitsRltdOrgsAmt>22771</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>349834</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAN AHERN</PersonNm>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>2365</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>72733</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>22771</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>251493</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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        <OtherCompensationRltdOrgsAmt>2888</OtherCompensationRltdOrgsAmt>
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        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>22771</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>270541</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOSEPH OHM</PersonNm>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>6955</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>20274</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>38200</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>273683</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>12205</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <NameOfInterested>
          <BusinessName>
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        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PROVIDED TO THE ENTIRE BOARD OF TRUSTEES WHO REVIEW AND APPROVE THE RETURN BEFORE IT IS FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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          <BusinessNameLine1Txt>SUN RAY HTG INC</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SUPER SKY PRODUCTS</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SUPERIOR S M &amp; HTG INC</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>THERM FLO INC</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>TISC INC</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>TOTAL TEST &amp; BALANCE INC</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>TRIANGLE MECHANICAL SERVICES</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TRICO MECHANICAL INC</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TRIMARK MARLINN LLC</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TRINITY ROOFING SERVICE INC</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TRI-STAR MECHANICAL SERVICES</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TRUE MECHANICAL LLC</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TUSCHALL EN CO</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>UBM MECHANICAL SERVIES LLC</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>V J KILLIAN</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>VALADE HEATING COMPANY</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>VANS INDUSTRIAL INC</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>VENT PRODUCTS CO</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>VIDIMOS INC</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>WIESBROOK SHEET METAL</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINDY CITY METAL RESTORATION</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINDY CITY STEEL CONSTRUCTION</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WOLF MECHANICAL INDUSTRIES INC</BusinessNameLine1Txt>
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      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>YOUNA MECHANICAL INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>