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0 0 <br /> ENGEO LOG OF BORING MWM-27 <br /> INCORPORATE D <br /> Well Installation DATE DRILLED: 4121/2009 LOGGED/REVIEWED BY: Z.Crawford/SM <br /> Community Park HOLE DEPTH: Approx.25 ft. DRILLING CONTRACTOR: V&W Drilling <br /> Lathrop, California HOLE DIAMETER: 10.0 in. DRILLING METHOD: Hollow Stem Auger <br /> 8617.000.000 SURF ELEV(NVGD 29): 9.27 ft. HAMMER TYPE: Automatic Trip Hammer <br /> _ M x <br /> vLL C L .� m Well Construction <br /> r DESCRIPTION o w 3 0 a M <br /> 010 2 <br /> 3 �— <br /> L it <br /> o E a <br /> �' to "o Z cry <br /> 3 �= <br /> Landscaping lawn and topsoil. — — M1 gr aUboxoc ing <br /> traCLAYEY SILT(ML),grayish brown,stiff to medium stiff,moist, <br /> <15%fine-grained sand <br /> SANDY SILT(ML),brownish gray,stiff to medium sfiff,moist, <br /> fine-grained sand,410%clay <br /> 1 <br /> (thin silty clay interbeds) <br /> _ 4'diameler solid <br /> CLAYEY SILT(ML),brownish gray,hard,moist,<5% casing <br /> fine-grained sand 58 surrounded by <br /> neat cement <br /> 2 <br /> to 3 <br /> SANDY SILT(ML),brown,very stiff,wet,fine-grained sand 23 Bentonite sanitary <br /> seal <br /> 4 _b _ __ _ <br /> SILTY D( <br /> SANsM), rown,medium dense,wet,fine-grained <br /> sand <br /> 5 0.010 screen with <br /> #2/12 filter pack <br /> 33 <br /> 5 <br /> 6 <br /> 20 <br /> z <br /> 7 Solid casing sump <br /> Slip cap <br /> 3 <br /> 25 <br /> w <br /> 3 <br /> Bottom of boring at approximately 25 feet. <br /> Groundwater encountered at 10 1/2 feet during drilling. <br /> Groundwater measured at XX.XX feet after drilling. <br /> w <br /> 0 <br /> w <br /> u <br />