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      <OfficeExpensesGrp>
        <TotalAmt>189078</TotalAmt>
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        <ManagementAndGeneralAmt>142170</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>6370</ManagementAndGeneralAmt>
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      <InsuranceGrp>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>45747897</ProgramServicesAmt>
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      <RtnEarnEndowmentIncmOthFndsGrp>
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        <EOYAmt>308953697</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>266581979</BOYAmt>
        <EOYAmt>308953697</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>271200452</BOYAmt>
        <EOYAmt>310081021</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>14163400</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>28208318</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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      <OtherSecuritiesGrp>
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      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Closely-held equity interests</Desc>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Lord Abbett International Core Fixed Income</Desc>
        <BookValueAmt>38175080</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Janus Institutional Intl Equity Fund</Desc>
        <BookValueAmt>40086292</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>ULLICO Infrastructure Fund LP</Desc>
        <BookValueAmt>31969957</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Kennedy Wilson Real Estate Fund VI, LP</Desc>
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        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>JP Morgan US Real Estate Mezz Debt Fund</Desc>
        <BookValueAmt>6697943</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>136623138</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Federal income taxes</Desc>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Due to/from other funds</Desc>
        <Amt>44547</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Securities Purchases</Desc>
        <Amt>873915</Amt>
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      <TotalLiabilityAmt>918462</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>88968294</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>28208318</NetUnrealizedGainsInvstAmt>
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      <RevenueSubtotalAmt>60759976</RevenueSubtotalAmt>
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      <RevenueNotReportedFinclStmtAmt>1579250</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>62339226</TotalRevenuePerForm990Amt>
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      <TotalExpensesPerForm990Amt>48175826</TotalExpensesPerForm990Amt>
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        <FormAndLineReferenceDesc>X 2</FormAndLineReferenceDesc>
        <ExplanationTxt>The Trustees have evaluated the tax positions taken by the Fund and have concluded that as of December 31, 2019, there are no uncertain positions taken or expected to be taken, that would require the recognition of a liability or asset or disclosure in the financial statements. The Fund is subject to routine audits by taxing jurisdictions until the applicable statute of limitations expires however, there are currently no audits for any tax periods in progress.</ExplanationTxt>
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      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kevin J Driscoll</PersonNm>
        <TitleTxt>Executive Administrator</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>414005</CompensationBasedOnRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>23334</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>4471</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>465993</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>William J Turnbull</PersonNm>
        <TitleTxt>Controller</TitleTxt>
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        <OtherCompensationRltdOrgsAmt>44098</OtherCompensationRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>23739</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1493</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>320820</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Peter J Ruffner</PersonNm>
        <TitleTxt>Assistant Administrator</TitleTxt>
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        <OtherCompensationRltdOrgsAmt>15027</OtherCompensationRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>21964</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>285291</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Thomas Goodwin</PersonNm>
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        <OtherCompensationRltdOrgsAmt>9022</OtherCompensationRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>62208</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>255276</TotalCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Sean Driscoll</PersonNm>
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        <NontaxableBenefitsRltdOrgsAmt>21964</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>22259</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>165817</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Steven Cuadra</PersonNm>
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        <OtherCompensationRltdOrgsAmt>4657</OtherCompensationRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>60322</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>238523</TotalCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Daniel Knights</PersonNm>
        <TitleTxt>Education Instructor</TitleTxt>
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        <NontaxableBenefitsRltdOrgsAmt>52325</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>213265</TotalCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Paul Hopkins</PersonNm>
        <TitleTxt>Education Instructor</TitleTxt>
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        <NontaxableBenefitsRltdOrgsAmt>52325</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>208650</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>James Coffey</PersonNm>
        <TitleTxt>Education Instructor</TitleTxt>
        <CompensationBasedOnRltdOrgsAmt>159213</CompensationBasedOnRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>52325</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>211538</TotalCompensationRltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11A</FormAndLineReferenceDesc>
        <ExplanationTxt>This tax return was prepared by staff and reviewed by the Funds Controller, who is a CPA. Then it was provided to the Funds auditors for review and approval. Lastly, it is provided to a member of the Board of Directors for review and signature.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15 AB</FormAndLineReferenceDesc>
        <ExplanationTxt>The Administrator of the Trust Funds negotiates with the Chairman and Co-Chairman of each Fund and agree to an increase in wages for all staff within the parameters set by the collective bargaining agreement.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>The Fund is subject to ERISA and the Trustees conform to its regulations. Each year, Trustees sign a statement which affirms that such person has received a copy of the Conflict of Interest Policy and has read and understands the Policy. Also, the Trustees agree to comply with the Policy and understands that the Plan is a tax-exempt organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>As required by ERISA, the Funds governing documents, policies, financial statements and tax returns are available upon request by writing to the Fund Office and requesting a copy. This return was not filed on time and granted an extension to acquire all information needed to complete and file an accurate return.</ExplanationTxt>
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    </IRS990ScheduleO>
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        </DisregardedEntityName>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11101</ZIPCd>
        </USAddress>
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        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
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        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Pension Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
          <CityNm>Long Island City</CityNm>
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        </USAddress>
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        <PrimaryActivitiesTxt>ERISA Plan</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
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        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
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        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11101</ZIPCd>
        </USAddress>
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        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Educational Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
          <CityNm>Long Island City</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11101</ZIPCd>
        </USAddress>
        <EIN>131919703</EIN>
        <PrimaryActivitiesTxt>ERISA Plan</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501 c5</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Supplemental Retirement Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
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        </USAddress>
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        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
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        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
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        <USAddress>
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          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
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        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Not applicable</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <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>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Steamfitters' Industry Welfare Fund</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>n</TransactionTypeTxt>
        <InvolvedAmt>336659</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Steamfitters' Industry Welfare Fund</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>o</TransactionTypeTxt>
        <InvolvedAmt>427048</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Steamfitters' Industry Welfare Fund</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>p</TransactionTypeTxt>
        <InvolvedAmt>84972</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>