Laserfiche WebLink
nwmaLw de„ Project No- 06-6102-00-4926-301 Page 1 of 2 <br /> PROJECT: TRACY BYRO N ROAD Log of Boring No. SB-31 <br /> Tracy, California <br /> BORING LOCATION: N 2094909.8900,E 6283587.0290 ELEVATION AND DATUM: US State Plane NAD 83 Zone 3 <br /> DRILLING CONTRACTOR: Gregg Drilling and Testing,Inc. DATE STARTED:/TIME: DATE COMPLETED:/TIME: <br /> 10/29/03 10:05 10/29/03 11:30 <br /> DRILLER: Don Pearson TOTAL DEPTH(ft.): MEASURING POINT: <br /> 24 Ground Surface <br /> DRILLING METHOD: Direct Push Continuous DEPTH TO WATER(ft.): 15' <br /> TIME: <br /> DRILLING EQIUPMENT: Geoprobe GEOLOGIST:Will Slowik <br /> SAMPLING METHOD: Macrocore,Stainless Bailer REVIEWED BY: <br /> SAMPLES U <br /> DESCRIPTION <br /> >E �'o Q o- Q NAME(USCS):color,moist, %by wt.,plast.and density. <br /> O a a oE.o w,a? <br /> °D U) O v Surface Elevation: NA <br /> Road base to 1.5'bgs. <br /> 1 <br /> o Boring hand cleared to 5'bgs. <br /> 2 CL Native Material observed to be Clay during borehole clearance. <br /> 3 <br /> 4-- <br /> 5 <br /> CL Sandy Lean Clay(CL);yellowish brown(10yr5/4);dry;stiff;70-75%clay, <br /> SB-31-6 25-30%fine sand. <br /> 10:14 6 <br /> 7 <br /> 8 <br /> 9 <br /> 10 <br /> CL Same as above,moist,plasticity change @ 10'bgs. <br /> 11- <br /> 12- <br /> 0.0 <br /> 112 0.0 <br /> SB-31-13 <br /> 10:25 13 <br /> 14- <br /> 0.0 <br /> CL Same as above. <br /> 15 — <br /> SC Clayey Sand(SC);dark yellowish brown(10yr4/4);saturated;medium dense; <br /> 60-65%fine sand,35-40%clay. <br /> 16 <br /> 0.0 <br /> 17 SP/SC Poorly Graded Sand with Clay and Gravel(SP-SC);brown(10yr4/3);saturated; <br /> 70%fine sand,20%fine gravel,10%clay. <br /> 18 ...... <br /> 0.2 <br /> 19 <br /> CL Sandy Lean Clay(CL);yellowish brown(10yr5/4);moist;medium plasticity; <br /> 0.0 SB-31-20 10.35 20 65-70%clay,30-35%fine sand. <br /> NOTES: Groundwater sample GW-31 collected @ 11:10. <br />