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Project No: 06-6102-00-4926-301 Page 1 of 2 <br /> PROJECT: TRACY BYRON ROAD Log of Boring No. <br /> SB-13 <br /> Trac , California <br /> BORING LOCATION: N 2096198.4600,E 6280337.0520 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 /> 10/23/03 10:15 10/23/03 11:10 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLER: Bob Deason 24' Ground Surface <br /> DRILLING METHOD: Direct Push Continuous <br /> DEPTH TO WATER(ft.): 14.5' <br /> TIME: <br /> DRILLING EQIUPMENT: Marl M5 T Rhino Rig GEOLOGIST:Will Slowik <br /> SAMPLING METHOD: Macrocore,Stainless Bailer REVIEWED BY: <br /> SAMPLES <br /> U DESCRIPTION <br /> j E o a o_ Q NAME(USCS):color,moist, %by wt.,plast.and density. <br /> 0° U O 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 /> d <br /> 4-- <br /> 5 5 <br /> SB-13-6 CL Lean Clay with Sand(CL);yellowish brown(10yr5/4);moist;medium plasticity; <br /> 10:25 <br /> 75-80%clay,20-25%sand. <br /> 6 <br /> 0.6 <br /> 7 <br /> 8 <br /> XI/ <br /> 0.8 / <br /> 9 <br /> SB-13-10 , <br /> 10:30 10: <br /> 0.5 ,, <br /> 11 <br /> SC Clayey Sand(SC);dark yellowish brown(10yr4/4);moist;65-70%fine to very <br /> fine sand,30-35%clay. <br /> 12- <br /> 0.7 SB-13-13 CL Lean Clay with Sand(CL);yellowish brown(10yr5/4);moist;medium plasticity; <br /> 10:37 13 - 75-80%clay,20-25%fine to very fine sand. <br /> 14 <br /> Same as above,interbedded sand stringer,saturated,approximately 6-12"thick. <br /> 15 `' <br /> 16 - <br /> 0.4 SC Clayey Sand(SC);dark yellowish brown(10yr4/4);saturated;70-75%sand, <br /> 25-30%clay. <br /> 17 <br /> 18 CL Sandy Lean Clay(CL);yellowish brown(10yr5/4);moist;medium plasticity; <br /> 0.4 65-70%clay,30-35%fine to very fine sand. <br /> 19- <br /> 20- <br /> NOTES: <br /> 920NOTES: Groundwter sample GW-13 collected @ 11:01 a.m. <br />