Laserfiche WebLink
GSI GeoStrateg(es, Inc. Log of Boring B-8 <br /> PROJECT BP Oil Station No 1!181 LOCATION 1469 East Hammer Lane, Stockton, CA <br /> GSI PROJECT NO 4300 701 SURFACE ELEVATION <br /> DATE STARTED 2-2-95 WL (ft bgs) DATE TIME <br /> DATE FINISHED 2-2-95 WL (ft bgs) DATE TIME <br /> DRILLING METHOD 6 75" dia hollow-stem auger TOTAL DEPTH SJ S Feet <br /> GRILLING COMPANY Geo-Environmental Drilling GEOLOGIST S Carter <br /> LLw <br /> M <br /> �- Co <br /> o to <br /> z <br /> CL J _ GEOLOGIC OE5CRI?TION REMARKS <br /> m 4 <br /> CL ai q O F <br /> LU m N a a: a <br /> cn I cD cn <br /> ° Pavement - 4" asphalt 2" base rock <br /> CL SANDY CLAY (CL) - black (10 YR 2/1), medium dense <br /> to dense, low to medium plasticity, damp, 70-80% <br /> clay, 20-30% fine to medium sand <br /> ML <br /> 10 <br /> 21 <br /> 0 30 68-8 5 SANDY SILT (ML) - dark yellowish brown (10 YR <br /> 414), damp, hard 70-80% silt, 20-30% fine sand, <br /> roots, rootholes <br /> 12 <br /> 0 0/5 88-115 Silt increases to 100% becomes moist <br /> Driller notes hard drilling at 14 feet <br /> 15 26 <br /> 0 0/4 B8-IB Calcification <br /> 20 0 0/6' 138-20 5 <br /> Color change to brown (10 YR 5/3), calcification <br /> 25 <br /> 0 0//6' 88-28 SM SILTY SAND (SM) -- dark yellowish brown, moist <br /> very dense, 75-80% fine sand, 20-25% silt lightly <br /> mottled with oxide staining <br /> 3020 - <br /> o a/s' e8-31 <br /> Trace medium sand trace fine gravel mottled with <br /> ML light gray (t0 YR 6/1) and oxide staining <br /> 35 <br /> JOB NUMBER 4300 701 Page 1 01 2 <br />