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        <Desc>LEASE LIABILITY</Desc>
        <Amt>28884</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>28884</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>1749800</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>254</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>254</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>1749546</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>4000</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>4000</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>1753546</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>1657381</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>1657381</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>4000</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>4000</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>1661381</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE FUND MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY IF THE ORGANIZATION HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT BE SUSTAINED UPON EXAMINATION BY THE INTERNAL REVENUE SERVICE. MANAGEMENT HAS ANALYZED THE TAX POSITIONS TAKEN BY THE FUND, AND HAS CONCLUDED THAT AS OF DECEMBER 31, 2024 THERE ARE NO UNCERTAIN POSITIONS OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE FUND IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIOD IN PROGRESS. MANAGEMENT BELIEVES THAT THE FUND IS NO LONGER SUBJECT TO INCOME TAX EXAMINATION FOR THE YEARS PRIOR TO DECEMBER 31, 2021.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990</FormAndLineReferenceDesc>
        <ExplanationTxt>PART IX, LINE 5, COMPENSATION OF CURRENT OFFICERS, DIRECTORS, TRUSTEES, AND KEY EMPLOYEES INCLUDES THE FUND'S ALLOCATED PORTION OF PAYROLL AND BENEFITS OF THESE INDIVIDUALS THAT ARE PAID BY AN AFFILIATED BENEFIT FUND.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>ARTHUR FADELEY JOHN FADELEY TRUSTEE ADMINISTRATO FAMILY RELATIONSHIP</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>UNION TRUSTEES BECOME MEMBERS OF THE BOARD OF TRUSTEES BY BEING ELECTED TO THE POSITION BY MEMBERS OF THE INTERNATIONAL ASSOCIATION OF HEAT AND FROST INSULATORS AND ALLIED WORKERS LOCAL NO. 4 UNION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>NICHOLAS MOLLE 396 GRAND ISLAND BLVD. TONAWANDA, NY 14150 CHRISTOPHER SWEDA 2205 KENMORE AVE. BUFFALO, NY 14207</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FUND ADMINISTRATOR IS AUTHORIZED BY THE TRUSTEES TO REVIEW AND SIGN FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES REVIEW AND SIGN A CONFLICT OF INTEREST STATEMENT ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FUND ADMINISTRATOR'S COMPENSATION IS BASED ON THE JOURNEYMAN MECHANIC RATE PER HOUR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FUND DOES NOT MAKE ITS GOVERNING DOCUMENTS, POLICIES OR FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC. THEY ARE PROVIDED TO PARTICIPANTS OF THE FUND UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc5">
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>HEAT &amp; FROST INSULATORS LOCAL 4</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>2484 SENECA ST</AddressLine1Txt>
          <CityNm>BUFFALO</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>14210</ZIPCd>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
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        </DisregardedEntityName>
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          <CityNm>BUFFALO</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>14210</ZIPCd>
        </USAddress>
        <EIN>262639107</EIN>
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        <ExemptCodeSectionTxt>501C2</ExemptCodeSectionTxt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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        </DisregardedEntityName>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>14210</ZIPCd>
        </USAddress>
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        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>401A</ExemptCodeSectionTxt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>H&amp;F INSULATORS LOCAL 4 ANNUITY FUND</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2484 SENECA ST</AddressLine1Txt>
          <CityNm>BUFFALO</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>14210</ZIPCd>
        </USAddress>
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        <PrimaryActivitiesTxt>DC PENSION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
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        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>STATE UNIVERSITY OF NEW YORK AT BUF</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <PrimaryActivitiesTxt>EMPLOYER</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>KALEIDA HEALTH</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <PrimaryActivitiesTxt>EMPLOYER</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>API GROUP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BUFFALO BUILDING TRADES PREAPP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CAMBRIDGE INSULATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CLEAN WATER MECHANICAL</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>COLDWATER INSULATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
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        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
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        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>FRONTLINE CONSTRUCTION &amp; SUPPLY LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>INTERNATIONAL ABESTOS REMOVAL</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
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          <BusinessNameLine1Txt>KIM INDUSTRIES</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
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        </RelatedOrganizationName>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NIAGARA FALLS WATER BOARD</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>OCM CONSTRUCTION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PATRIOT INSULATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRACTOR</PrimaryActivitiesTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </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>true</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>H&amp;F INSULATORS LOCAL 4 PENSION FUND</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>71296</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>MANAGEMENT ESTIMATE</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>H&amp;F INSULATORS LOCAL 4 PENSION FUND</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>76120</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>PENSIONER HEALTH W/H</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>