SS9402C-LR 980610Compaction
Test Report
Patton, Burke & Thompson
10555 Newkirk Street
Suite 530
Dallas, Texas 75220
CIIY OF COPPELL
225 PARKWAY BLVD.
P. O. BOX 478
COPPELL, TEXAS 75019
DATE 06/t0/98 JOBNO 1532
REPORT NO 3 . SHEET.. 1Of 1
SUBJECT BETHEL ROAD SEWER LINE BACKFILL REPAIRS
COPPELL, TEXAS
UTILIIY TRENCH
BACKFILL OBSERVATION
LABORATORY FIELD
TEST DEPTH TEST MAX OMC DRY MC COM-
NO. LOCATION FEET 1~'PE DENSITY' % DENSIIY % ~CTION SOIL TYPE
PCF PCF
fi.A, 1+10 BEFORE COMPACTION ~U~ NQ? 5
] J n Idllt"' I 19 R 1~ R 7~.1 14.,3 69 JOB N0.1532
RE'~ST OF TEb':l' NO. I ~U~RVE NC) 5
· a ,ac"rcn n~r't'~ADRTIt'~n NI IP 119 R 1 a R 114 1 11.6 1 O0 ' JOR NC). 1532
SPECIFICATIONS: 95 % 0¢ MAXIMUM ASTM D.698
VIBRATORY DRUM ROLLER
~N DEERE Z002C TRACKHOE
THIS I~EPORT PRESENTS OPINIONS FORMED AS A RESULT OF OUR OBSERVATION
OF FILE PLAC EM ENT AS WELL AS THE TESTS SHOWN ABOVE WE HAVE RELIED
UPON THE CONTRACTOR TO APPLY THE NECESSARY COMPACTIVE EFFORTAND
MOISTURE TO ACHIEVE SPECIFIED COMPACTION DURING TIMES WHEN OUR
OBSERVER iS NOT PRESENT AND AT LOCATIONS OTHER THAN THOSE TESTED
TEST DATA ARE NOT THE SOLE BASIS FOR OPINIONS ON WHETHER THE FILL MEEPS
SPECIFICATIONS
PROGRESS REPORT AS REQUESTED, PBT MADE A SITE VISIT TO OBSERVE AND TEST THE ON-GOING UTILIIY TRENCH
WORK ALONG BETHEL ROAD. EXCAVATION OF THE TRENCH BEGAN AT STAi~i~O(d111~O TO ~TA. 3+3p.
A LARGE SECTION OF THE CTB WAS LEFT IN Pt.RCE BEIWEEN b"TA. 1 +~0 AND b'I"A. 3+30. EACH END OF THIS
AREA WAS EXCAVATED TO SEE IF ANY SETTLEMENT OF MATERIAL HAD OCCURRED BENEATH IT. NONE WAS
OBSERVED. THIS SECTION OF CTB APPEARED TO BE WELL OVER 4" THICK. AS THE CLAYEY SAND MATERIAL WAS
BEING EXCAVATED FROM THE TRENCH IT WAS OBSERVED TO BE IN A VERY LOOSE AND SOMEWHAT DRY CONDITION.
IN-PLACE MOISTURE DENSIIY TESTS WERE PERFORMED ON THE CENTER OF THE ORIGINAL TRENCH PRIOR TO
RECOMPACTION AND ONCE AFTER RECOMPACTION. BOTH TESTS WERE PERFORMEI~JN THE SAME AREA.
[~ ~ OUR OPINION, FILL COMPACTION MEETS SPECIFICATIONS AS INDICATED By OUR OBSERVATIONS AND TEST NO (S) _~
L] ~N~UR~P~N~N'F~LL~MPACHOND~ESN~TMEE1.SPEC~F~CAT~ONSAS~NDlCATEDBYOUR~BSERVAT~NSANDTESTNO.[S] ...1
AND SHOULD BE REWORKED
SCOPEOFOBSERVATION: [~ULLTIME; ~ PERIODIC, ONCALLBASIS; [~X;ONTRACTOR'SORCLIENT'SREPRESENTATIVEADVISED