Laserfiche WebLink
Conestoga-Rovers&Associates BORING/WELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> f Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-16 - <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House, NBH C&D DRILLING STARTED 19-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 04-Feb-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(16.5 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 96.84 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 100.14 ft above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 20 to 34.9 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 28.0 ft(04-Feb-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 31.25 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq <br /> to H U ~ �' <br /> CL O D a s ¢p SOIL DESCRIPTION z? WELL DIAGRAM <br /> 0 <br /> a m0U < W OVQ <br /> SILT(ML);very dark grayish brown(10YR 3/2);moist; <br /> 25%clay,70%silt,5%fine to coarse sand; low to medium <br /> plasticity. <br /> 10 <br /> 0.0 1?Mw-1s 5 5 @ 5'-light yellowish brown(10YR 6/4);dry; 10%clay, <br /> 80%silt, 10%fine sand;medium plasticity. <br /> Portland Type 1/II <br /> 0.0 16 MW-16-10 10 ML @ 10'-10%clay,80%silt, 10%fine to coarse sand. <br /> M <br /> 12 <br /> 0.0 1e is 15— @ 15'-25%clay,60%silt, 15%fine to coarse sand. <br /> 0 <br /> �? Bentonite Seal <br /> J <br /> Q <br /> oMonterey Sand <br /> 15 ________ _________________ 20.0 #2/12 <br /> 0.0 23 mw-16-20 <br /> zo 20 Sandy SILT(ML);brown(10YR 5/3);dry;25%clay, <br /> 45%silt,30%fine to coarse sand;medium plasticity. <br /> N <br /> N <br /> MLS ' <br /> 0 <br /> LLI <br /> e25.0 <br /> 0.0 12 MW-16-25 25 Silty SAND(SM);brown(10YR 5/3);moist;20%clay, <br /> 30%silt,50%fine to coarse sand. <br /> N <br /> SM 2"-diam.,0.020" <br /> Sz <br /> Slotted Schedule <br /> No 40 PVC <br /> 7 30.0 <br /> a 0.0 13 MW-16-30 30 SAND(SW);brown(10YR 4/3);wet; 100%fine to <br /> = coarse sand. 1 <br /> U - <br /> f0 <br /> Lu SW <br /> cn <br /> � 6 <br /> 6 <br /> Z0.0 a MW-16- 35 35.0 <br /> p 34.5 <br /> Bottom of <br /> a Boring @ 35 ft <br /> 0 <br /> 0 <br /> J <br /> J <br /> J <br /> 40 <br /> PAGE 1 OF 1 <br />