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        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Internal Revenue Service has determined that the Fund is exempt from federal income tax under Internal Revenue Code Section 501(c)(9). The Trust established to hold the Fund's assets obtained its original determination letter in 1955, in which the Internal Revenue Service stated that the trust, as then designed, was in compliance with the applicable requirements of the Internal Revenue Code. The trust has been amended since receiving the determination letter. However, the Fund's Administrator and the Fund's tax counsel believe that the trust is currently designed and being operated in compliance with the applicable requirements of the Internal Revenue Code. Management has evaluated the Fund's tax positions and concluded that the Fund has maintained its tax exempt status and had taken no uncertain tax positions that would require financial statement adjustment or disclosure for the years ended December 31, 2014 and 2013. With few exceptions, the Fund is no longer subject to income tax examinations by tax authorities for years preceding December 31, 2010.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>U S ENGINEERING CO</BusinessNameLine1Txt>
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        <USAddress>
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          <CityNm>NA</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>64111</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WESTERN INDUSTRIAL CONTRACTORS INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80011</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WESTERN PEAKS MECHANICAL</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
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          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80908</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WESTERN REFRACTORY CONSTRUCTION INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80504</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WHITNEY PLUMBING &amp; HEATING</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80918</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
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        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80522</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
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      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>YEAROUT SUPPORT SERVICES LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>NM</StateAbbreviationCd>
          <ZIPCd>87113</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NM</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ADVANTAGE INDUSTRIAL SYSTEMS LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60423</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BUTTERS FETTING CO</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53204</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CASCADE PLUMBING</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80809</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>COLBY PLBG &amp; HTG SERVICES</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80107</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>EVEN TEMP REFRIGERATION LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>81425</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>GRAYCOR INDUSTRIAL CONSTRUCTORS INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60181</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>JJD COMPANIES</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55917</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MN</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>KUHLMAN INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>83051</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PLS SERVICES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80904</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ROCKY MOUNTAIN PIPING &amp; PLUMBING INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>N/A</AddressLine1Txt>
          <CityNm>NA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80120</ZIPCd>
        </USAddress>
        <EIN>000000000</EIN>
        <PrimaryActivitiesTxt>Contributing Employer</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>United Association of Plumbers and Pipefitters Local 58</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>364</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>United Association of Plumbers and Pipefitters Local 145</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>1613</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Pipefitters Local Union 208</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>2275</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>