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�► � Project No: 06-6102-00-4926-301 Page 1 of 2 <br /> SW" AnEmpbyv&-0~Cbr*wy <br /> PROJECT: TRACY BYRON ROAD <br /> Log of Boring NSB-4 <br /> Tracy,California <br /> BORING LOCATION: N 2097110.0600,E 627831.5210 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 /> 10/21/03 8:30 10/21/03 9:55 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLER: Bob Deason 24' Ground Surface <br /> DEPTH TO WATER(ft.): 12' 8' <br /> DRILLING METHOD: Direct Push Continuous TIME: <br /> DRILLING EQIUPMENT: Marl M5 T GEOLOGIST:Will Slowik <br /> SAMPLING METHOD: Macrocore REVIEWED BY: <br /> SAMPLES <br /> _ DESCRIPTION <br /> j a N o a a s a Q NAME(USCS):color,moist, %by wt.,plast.and density. <br /> O a 30 0 E-o W,Q <br /> 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 d <br /> 4--/,/ <br /> 5 <br /> CL Lean Clay with Gravel(CL);brown to very dark brown(10yr4/3-10yr2/2);moist, <br /> 70%clay,20%fine gravel,10%fine sand. <br /> 6 <br /> r� <br /> 0.0 7 <br /> d <br /> No recovery from 7-12'bgs. <br /> 8- <br /> 9- <br /> 10- <br /> 12.10 12 <br /> SC Clayey Sand(SC);dark yellowish brown(10yr4/4);saturated;low plasticity; <br /> 13 55%sand,35%clay,10%gravel. <br /> 14 <br /> No recovery from 14-16'bgs. <br /> 15 <br /> SB-44-1:156 16 <br /> 9 -1 CL Lean Clay with Sand(CL),brown(10yr4/3);moist;medium to high <br /> d, plasticity;75-80%clay,20-25%fine sand. <br /> d <br /> 0.0 17 <br /> df <br /> 18 d <br /> e <br /> 19 SC Clayey Sand(SC);dark yellowish brown(10yr4/4);saturated;55-60%fine sand, <br /> 40-45%clay. <br /> 20 <br /> NOTES: <br />