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SS9402C-LR 980629Compaction Test Report Patton, Burke & Thompson 10555 Newkirk Street Suite 530 Dallas, Texas 75220 CLIENT: CITY OF COPPELL 225 PARKWAY BLVD. P. O. BOX 478 COPPELL, TEXAS 75019 DATE 06/29198 JOB NO ;L532 REPORT NO t8 SHEET 1OF I SUBJECT BETHEL ROAD SEWER LINE BACKFIL£ REPAIRS COPPELL, TEXAS UTILITY TRENCH BACKT:ILL OBSERVATION LABORATORY FIELD TEST DEPTH TEST MAX OMC DRY MC COM b'TA"- T6+00 C:UI~E · ,.. ~- ,')n KII It" 1171' 19f'1 113 14~ 97 JOB NO. 1~32 STA" 18+00 C;~.H.Q, 6 ,,,.z on Mil/" 110~ 191"1 11~l 1.R6 97 JOB N0.1532 1 gee:)w Asa, alt SPECIFICATIONS: t00- % OF MAXIMUM ASTM D 698 MOISTURE WITHIN % OF OPTIMUM 1YPE OF COMPACTION EQUIPMENTAND NO OF UNITS: Harem 3310 ,Sheepefoot V"~3~otory Dn~rn Roller Wooker- ~k~' [I} MOISTURE ADDED BY 0o~oo~ Tm~.~:~ (1 ]. c~o 1845~ UnLLood*r [ 1] THIS REPORT PRESENTS OPINIONS FORM ED AS A RESULT OF OUR OBSERVATION OF FILL pLACEMENt AS WELL AS THE TESTS SHOWN ABOVE. WE HAVE RE LIED UPON THE CONIRACTOR TO APPLY THE NECESSARY COMPACTIVE EFFORT AN D MOISTURE TO ACHIEVE SPECIFIED COMPACTION DURING TIMES WHEN OUR OBSERVER IS NOT PRESENt AND AT LOC~TIONS OTHER THAN THOSE TESTED TEST DATA ARE NOT THE SOLE BASIS FOR OPINIONS ON WHETHER TH E FILL ME ETS SPECIFICATIONS. PROGRESS REPORT A~ REQUESTED. PBT MADE A SITE VISIT TO OBSERVE AND TEST THE UT1LIIY TRENCH REC~I~,~1L'RUCTION.~I:~L MATERIAL WAS PLACED IN TI'~E TRENCH IN APPROXIMATELY 8' LIFTS BETWEEN bi"A. ~16~ 8TA. I~/~ID STA' 17+~,~AN~ ¥~'~. 1HE CONTRACTOR EXCAVATED ADDmONAL TRENCH BEIWEEN STA~ 26+00 AND 29+80. THIS SECTION OF TRENCH WAS EXCAVATED TO A DEPTH OF 4" FROM TOP OF ASPHALT A~D TO A WIDTH OF APPROXIMATELY 11 '. ~¥ERAL SECTIONS OF CTB ~ WERE ESTIMATED TO BE AT LEAST 3 I'HtCKWERE LEFT IN PLACE BElWEEN ~ 27+65 AND 28+9~-/,AND ~A~ ~+30 AND 29+70. THE,~,,E~. CONTRACTOR WAS ADVISED TO APPLY ADDmONAL COMPACTIVE EFFORT TO THE AREA OF TESTS~ _~... 1..~?~ P I T ETESTING. .,' ~..'~.,' "~c' [] ~IO(~O~(~N(~N. FLLCOMPACtONMEETSSPECFCATONSAS NDCATEDBYOUROBSE.VATONSANDTESTNO(S, ~' : ~ ~, ~, ~] ~!~l OUR OPINION, FILL COMPACTION DOES NOT MEET SPECIFICATIONS AS INDICATED aY OUR OBSERVATIONS AND TEST NO.(S)1~./126 ............... · R J. HArM ' · .. , , , ~- ,,,¢~ ~_-__i--0~ ,~',;--~'//7/- .... // % ;";."*.';.~./,$T~-'.~.- FIELD ~'PI~S~TATIVE ~PP~OVE/~//:R,CHARD J. ~BERG,