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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE MANAGEMENT TO EVALUATE THE TAX POSITIONS TAKEN BY THE PLAN AND TO RECOGNIZE A TAX LIABILITY IF THE PLAN HAS TAKEN AN UNCERTAIN TAX POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE INTERNAL REVENUE SERVICE. THE PLAN HAS ANALYZED THE TAX POSITIONS TAKEN BY THE PLAN AND HAS CONCLUDED THAT, AS OF DECEMBER 31,2015, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE PLAN IS SUBJECT TO ROUTINE AUDITS BY THE TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. THE PLAN BELIEVES IT IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR THE FISCAL YEARS PRIOR TO 2012.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF TRUSTEES DOES NOT HAVE COMMITTEES THAT ACT ON ITS BEHALF.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL MEMBERS OF THE BOARD OF TRUSTEES REVIEWED THE FORM 990 PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VII, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES ARE NOT COMPENSATED BY THE TRUST. COMPENSATION PAID TO TRUSTEES EMPLOYED BY OTHER RELATED ORGANIZATIONS IS REPORTED ON THE FORM 990 FILED WITH THE INTERNAL REVENUE SERVICE BY THE RELATED TAX-EXEMPT ORGANIZATION. IF YOU WOULD LIKE ADDITIONAL INFORMATION, PLEASE CONTACT THE THIRD-PARTY ADMINISTRATOR, WILLIAM C. EARHART CO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCHEDULE D, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF TRUSTEES IS RESPONSIBLE FOR OVERSIGHT OF THE ANNUAL AUDIT AND FOR SELECTION OF THE INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE R, PART II THROUGH IV IDENTIFICATION OF RELATED ORGANIZATIONS:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FILLING ORGANIZATION IS A TAFT-HARTLEY MULTIEMPLOYER TRUST THAT PROVIDES HEALTH AND WELFARE BENEFITS TO ELIGIBLE EMPLOYEES AND THEIR DEPENDENTS. AS OF DECEMBER 31, 2015, THERE ARE APPROXIMATELY 294 EMPLOYERS THAT CONTRIBUTE TO THE TRUST. THE ADMINISTRATIVE OFFICE MAINTAINS A DATABASE OF THESE CONTRIBUTING EMPLOYERS, INCLUDING NAMES, ADDRESSES AND OTHER CONTACT INFORMATION. THE FEDERAL TAX CLASSIFICATION (DISREGARDED ENTITY, TAX-EXEMPT ORGANIZATION, PARTNERSHIP, TAXABLE CORPORATION OR TRUST) FOR EACH CONTRIBUTING EMPLOYER IS NOT ON FILE WITH THE ADMINISTRATIVE OFFICE AND IT COULD NOT BE REASONABLY OBTAINED. AS A RESULT, THE NAMES OF THE CONTRIBUTING EMPLOYERS ARE LISTED ON PART VII BELOW AND NOT ON PARTS II THROUGH IV BY FEDERAL TAX CLASSIFICATION. 3 KINGS ENVIRONMENTAL INC A B UTILITY CONTRACTORS A C SCHOMMER &amp; SONS INC ABACUS PROJECT MANAGEMENT ABM ONSITE SERVICES ACCURATE CONCRETE CUTTING ACC-U-SET CONSTRUCTION ACME CONCRETE PAVING INC A-CORE OF IDAHO ACOUSTI LEVEL FLOOR SYS ADEN MASONRY INC ADVANCED AMERICAN CONSTR ADVANCED GEOSOLUTIONS INC ADVANCED TECHNOLOGY GROUP ADVANTAGE DIRT CONTRACTOR AFL CIO OF OREGON AMERICAN SHIP DISMANTLERS ANCHOR CONCRETE ANDERSEN STRUCTURES LLC ANNING JOHNSON COMPANY APOLLO INC APOLLO MECHANIAL CONTRACT ARRINGTON CONST CO AZURI CONSTRUCTION INC B &amp; B TILE &amp; MASONRY B GENTLE CONCRETE CONSTR BAKER INDUSTRIAL BANZER CONSTRUCTION BARNES INC BASELINE INDUSTRIAL CONST BEDROCK CONCRETE CUTTING BESTRADE ENTERPRISES BIG J CONSTRUCTION INC BILLINGS &amp; CRONN ASSOC BMWC CONSTRUCTORS INC BOB BARKER BRACELIN-YEAGER BRAND SCAFFOLD RENTAL BRATTON MASONRY INC BROTHERS PIPELINE BROTHERTON CORPORATION BWXT SERVICES INC C &amp; H CONSTRUCTION CARTER &amp; CO INC CASA DIABLO CASCADE ACOUSTICS INC CASCADE TOWER &amp; RIGGING CASTLE WALLS CECO CONCRETE CONST CELL-CRETE CORPORATION CERTAINTEED CH MURPHY INC CH2M-WG IDAHO LLC CHICK OF ALL TRADES LLC CITY OF PRINEVILLE CITY OF PRINEVILLE RAIL CITY OF UNION COFFMAN EXCAVATION COLUMBIA RIVER CONTRACTOR CONCO - GONSALVES &amp; SANTU CONCRETE BARRIER INC CONDON-JOHNSON &amp; ASSOC IN CONTECH SERVICES INC CONWAY CONSTRUCTION CO COPELAND PAVING INC COPELAND SAND &amp; GRAVEL IN CORAL CONSTRUCTION CO CORRPRO COMPANIES INC CRC ENTERPRISES LLC DAVIDSONS MASONRY INC DAY &amp; ZIMMERMANN NPS DEBCO DELHUR INDUSTRIES DELHUR INDUSTRIES INC DENNIS SEVEN DEES LANDSCA DEPATCO INC DESCHUTES CONST. CORP. DIRT &amp; AGGREGATE INTRCHG DISTRICT COUNCIL OF LABOR DMI DRILLING CONSTRUCTION DONALD MCKINNEY CONSTR DPR CONSTRUCTION INC DWA TRADE SHOW DYK INC DYK INCORPORATED EAGLE ROCK TIMBER ELCON CORPORATION ELTING NORTHWEST INC. EMERICK CONSTRUCTION COMP EMERY &amp; SONS CONSTRUCTION ENVIROSCAPES NORTHWEST EUGENE SAND CONSTRUCTION EXTREME EXCAVATING INC F D THOMAS INC FAISON CONSTRUCTION FINE LINE CONCRETE CUTTIN FINISH LINE CONCRETE CUTT FORTIS CONST FRANK COLUCCIO CONSTRUCT FRED SHEARER &amp; SONS INC FUITENS PLUMBING &amp; HEATIN G&amp;C/APS JOINT VENTURE GARNER CONSTRUCTION,INC GARY MERLINO CONSTRUCTION GEOGRADE CONSTRUCTORS LLC GLOBAL ENVIRONMENTAL SOL GONZALES BORING AND TUNNE GOODFELLOW BROS INC GRANITE CONSTRUCTION CO GREAT BASIN ENVIRONMENTAL GREENLIFE GREENSKEEPER LANDSCAPE H &amp; J CONSTRUCTION HAINES BROS MASONRY HARDER MECHANICAL CONTRAC HARSCO INFRASTRUCTURE AME HAWAII LABORERS RECIP HAYWARD BAKER INC HDD COMPANY HENKELS &amp; MCCOY INC HOFFMAN STRUCTURES HOFFMAN STRUCTURES INC HOME FORWARD HOWARD S WRIGHT, A BALFOU HTI POLYMER INC IDAHO/OREGON TRAINING TR INDUCCO INC INDUSTRIAL CONCRETE LLC INFRASOURCE CONST INLAND CRANE INC INTERIOR/EXTERIOR SPECIAL INTERMECH-IDAHO FALLS DIV IOWA LABORERS WELFARE J &amp; S MASONRY J E DUNN CONSTRUCTION CO J H KELLY PLUMBING &amp; HTG J R MERIT INC JEFF CARTER CONSTRUCTION JEFFERSON COUNTY JENSEN DRILLING CO JOHNSON ROCK PRODUCTS K BARRIER LLC K F JACOBSEN KIEWIT INFRASTRUCTURE WES KINNAN ENGINEERING INC KLB CONSTRUCTION INC L R L CONSTRUCTION CO L T M INC LABORERS LOCAL 155 LABORERS LOCAL 296 LABORERS LOCAL 320 LABORERS LOCAL 483 LABORERS LOCAL 737 LABORERS UNION LOCAL 121 LAKESIDE INDUSTRIES LARUSSO CONCRETE CO INC LASKEY CLIFTON CORP LAUZON CONTRACTING,LLC LEASE CRUTCHER LEWIS LEBPCT - TRAVELERS LEGACY CONTRACTING INC LINCOLN MEMORIAL LOY CLARK PIPELINE CO LTM COAST DIV KNIFE RIV LTM MEDFORD DIV KNIFE RIV LTM ROSEBURG PAVING CO M A MORTENSON COMPANY M B STRUCTURES M J HUGHES CONSTRUCTION MALCOLM DRILLING CO INC MARION CONSTRUCTION MCCARTHY BUILDING CO INC MCCLONE CONST CO MCDONALD EXCAVATING INC. MCKENZIE COMMERCIAL CONTR MCKINSTRY CO LLC MICHELS DIRECTIONAL MICHELS PIPELINE MILNE MASONRY INC MOUNTAIN CASCADE INC MOWAT CONSTRUCTION MSD CONSTRUCTION MT CALVARY NAES POWER CONT PMRI DIVI NATT MCDOUGALL CO NEVADA INCOMING RECIPROCI NORTH WIND CONSTRUCTION NORTHBANK CIVIC &amp; MARINE NORTHERN CA LABORERS RECP NORTHSTAR CG,LP NORTHWEST METAL FAB NORTHWEST METAL FAB &amp;PIPE NORTHWEST REGION ORGANIZ NW DEMOLITION &amp; DISMANTLI NW INFRASTRUCTURE NW LABORERS EMP HEALTH TR NW SCAFFOLD SERVICE O'NEILL ELECTROV CO ORE SO IDAHO WYO &amp; UTAH OREGON LABORERS COORDINAT OREGON MAINLINE PAVING LL OREGON/IDAHO TRAINING TRU P &amp; C CONSTRUCTION PACIFIC FOUNDATION INC PACIFIC NW ENVIRONMENTAL PACIFIC RIM CONSTRUCTION PALADENI CONCRETE INC PARRISH EXCAVATING INC PE BEN USA INC PENCE/KELLY CONSTRUCTION PENHALL COMPANY PERFORMANCE ABATEMENT SER PERFORMANCE CONTRACTING I PERLO STRUCTURES LLC PHENIX CONSTRUCTION PLATINUM INDUSTRIAL PORT OF PORTLAND PORTLAND WOODSHED LLC</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
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