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Compaction <br />Test Report <br />CLIENr: BASIN RESOURCES, INC. <br />14300 HIGHWAY 12 <br />WESTON, COLORADO 81091 <br />® CTL/THOMPSON, INC. <br />CONSULTING GEOTECHNICAL <br />AND MATERIALS ENGINEERS <br />DAr _05/05/93_ ;oa No - 20122 _ - _-_ -- <br />REPORrNO - - - _1 -_- SHEEr 1_oF_ -1_.- - <br />SuBJECr NEW ELK/GOLDEN EAGLE MINES <br />LAS ANIMAS COUNTY <br />WESTON, COLORADO <br />COAL WASTE PILE <br /> UBORATORY FIELD <br />TEST <br />NO. <br />LOCATION DEPTH <br />FEET <br /> <br />1 TEST <br />TYPE MA% <br />DENSITY <br />PCF OMC <br />a DRY <br />DENSITY <br />PCF MC COM- <br />PACTIO <br />SOIL TYPE <br /> _ _ _ - _ _-- -_- CURVE NO. 4 - <br />53 <br /> --- --- -- -- ---- - CURS NO. 4 _ <br /> ----- - _--- - - _ CURVE NO. 4 ._ <br /> CURVE NO. 4_ <br /> <br /> <br /> <br /> <br />T BROW SURFACE AT TP-2 <br />SPECIFICATIONS: QO- - =. OFMh%IMUM A$TM D 698- <br />MolsruRE WITHIN ,2_TO +5 - - ': of oPllnnuM <br />PIPE OF COMPAC nON E9UIPTAENi PhD NO OF UNITS <br />(1)936 CAT LOADER - - -- - - - <br />MOISTURE ADDED B`/ __ __ - - - _ - _ _ - <br />fHICKNESS OF LIFT _ d-15 _ _ _ _ _ -_ _ - INCHES <br />IVPE OF EARTH MU/ING E9UIPMENT AND NO OF UNITS <br />(1)936 CAi LOADER- - - - - - - - <br />MIS REPORT PRESEN75 OPINIONS FORMED AS A RESULT OF OUR OBSEMAiION <br />OF F lu PLACEMENr. FS WE lL AS rHE TESTS $HpNN ABOVE WE HAVE RELIED <br />UPON THE CONTRACTOR i0 APPLY ME NECESSAIT' COMPACTNE EFF ORT AND <br />MOISTURE i0 ACHIEVE SPECIFIED COMPACTION DURING TIMES WHEN OUR <br />OBSENER S NOT PCESENr. AND A7 LOCATIONS OTHER THAN (HOSE TESTE D <br />TESL DATA AfeE NOT THE SOLE B.A515 FOR UPINIONS ON WHETHER ME FILL MEETS <br />SPFPFICAnONS <br />PRO~r,ESSREPOer TESTS WERE PERFORMED IN A TEST PR DUG BY THE OWNER IN COAL WASTE THAT HAD BEEN PLACED <br />AND ROLLED PRIOR TO OUR SRE VSIR. WE OBTAINED SAMPLES FOR LAB TESTING, OBSERVED PLACEMENT AND <br />ROLLING METHODS, AND MEASURED 1.3 TO 3 PERCENT (TRANSVERSE) SLOPES ON THE 3 FACE BENCHES, AND 43 <br />TO 45 PERCENT SLOPES ON THE FACE OF THE PILE. WE BELIEVE THE RELATNELY HIGH MOISTURE CONTENT AT <br />TEST 1-S CAUSED THE SIDES OF THE SAND TEST HOLE TO'S9UEEZE' INWARDS, CAUSING AN ARTIFICALLY SMALL <br />DUG HOLE AND THUS AN ERRONEOUS NIGH DENSfT1'. THE NUCLEAR TEST 1 AT THIS LOCATION IS BELIEVED <br />CORRECT. ALL MOISTURE CONTENTS WERE DETERMINED USING LOWTEMPERATURE OVEN. <br />XIN OUR OPINION, FILL COMPACTION MEETS SPEGRCATIONS AS INDICATED BY OUR OBSERVATIONS AND TEST NQISI i -3 _ _ _ _ . <br />IN OUR OPINION FILL COMPACTION DOES NOT MEET SPECIFICATIONS AS INDICATED BV OUR OBSERVATIONS AND TEST NO.IS) _ _ <br />AND SHOULD BF REWORKED <br />SCOPE OF OBSERVATION: FULL TIME: xPER10DIC.ON CALL BASIS. X CONTRACTOR'S OR CLIENT'S REPRESENTATIVE ADVISED RON THOMPSON <br />BASIN RESOURCES ENGR. <br />CTL/iHOMPSON. INC <br />CLYDE-ANDERSON- - -- --- -- - - - - - - - - --~ <br />i~ELDCE: RFSE+~ii'vE =°~ro~ED E~ <br />RONALD M. MC OMBER P E. <br />CA: BAS <br />