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Becomes friable to weak. <br />13 <br />12 <br />33 <br />37 <br />SANDY LEAN CLAY (CL), very dark grayish brown, soft to <br />medium stiff, moist, with silt, trace fine-grained sand <br />SANDSTONE, dark reddish yellow, friable, completely <br />weathered <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />LO <br />G <br /> <br />- <br /> <br />G <br />E <br />O <br />T <br />E <br />C <br />H <br />N <br />I <br />C <br />A <br />L <br /> <br /> <br />B <br />O <br />R <br />I <br />N <br />G <br /> <br />L <br />O <br />G <br />S <br />. <br />G <br />P <br />J <br /> <br /> <br />E <br />N <br />G <br />E <br />O <br /> <br />I <br />N <br />C <br />. <br />G <br />D <br />T <br /> <br /> <br />5 <br />/ <br />2 <br />/ <br />0 <br />8 <br />De <br />p <br />t <br />h <br /> <br />i <br />n <br /> <br />M <br />e <br />t <br />e <br />r <br />s <br />CLAYSTONE, very dark brown, friable to weak, completely <br />weathered <br />25 <br />0.85* <br />>4.0* <br />209 <br />33 <br />82 <br />63 <br />48 <br />62/6" <br />66/6" <br />Bottom of boring at approximately 28.5 feet. <br />Ground water encountered at 27.5 feet during drilling. <br />Lo <br />g <br /> <br />S <br />y <br />m <br />b <br />o <br />l <br />Pl <br />a <br />s <br />t <br />i <br />c <br />i <br />t <br />y <br /> <br />I <br />n <br />d <br />e <br />x <br />SANDSTONE, reddish brown, friable, completely weathered <br />Fi <br />n <br />e <br />s <br /> <br />C <br />o <br />n <br />t <br />e <br />n <br />t <br />(% <br /> <br />p <br />a <br />s <br />s <br />i <br />n <br />g <br /> <br /># <br />2 <br />0 <br />0 <br /> <br />s <br />i <br />e <br />v <br />e <br />) <br />Atterberg Limits <br />Mo <br />i <br />s <br />t <br />u <br />r <br />e <br /> <br />C <br />o <br />n <br />t <br />e <br />n <br />t <br />(% <br /> <br />d <br />r <br />y <br /> <br />w <br />e <br />i <br />g <br />h <br />t <br />) <br />Geotechnical Exploration <br />Hana Japan Steakhouse <br />Pleasanton, CA <br />5150.100.101 <br />Bl <br />o <br />w <br /> <br />C <br />o <br />u <br />n <br />t <br />/ <br />F <br />o <br />o <br />t <br />Pl <br />a <br />s <br />t <br />i <br />c <br /> <br />L <br />i <br />m <br />i <br />t <br />Li <br />q <br />u <br />i <br />d <br /> <br />L <br />i <br />m <br />i <br />t <br />DESCRIPTION <br />4/15/2008 <br />Approx. 28½ ft. <br />4.0 in. <br />Approx. 402 ft. <br />DATE DRILLED: <br />HOLE DEPTH: <br />HOLE DIAMETER: <br />SURF ELEV (MSL): <br />S. Stygar / JAF <br />Ram Geotechnical <br />Solid Flight Auger <br />140 lb. Rope and Cathead <br />De <br />p <br />t <br />h <br /> <br />i <br />n <br /> <br />F <br />e <br />e <br />t <br />5 <br />10 <br />15 <br />20 <br />25 <br />Wa <br />t <br />e <br />r <br /> <br />L <br />e <br />v <br />e <br />l <br />Sa <br />m <br />p <br />l <br />e <br /> <br />T <br />y <br />p <br />e <br />LOG OF BORING 1-B1 <br />LOGGED / REVIEWED BY: <br />DRILLING CONTRACTOR: <br />DRILLING METHOD: <br />HAMMER TYPE: <br />Un <br />c <br />o <br />n <br />f <br />i <br />n <br />e <br />d <br /> <br />S <br />t <br />r <br />e <br />n <br />g <br />t <br />h <br />(t <br />s <br />f <br />) <br /> <br />* <br />f <br />i <br />e <br />l <br />d <br /> <br />a <br />p <br />p <br />r <br />o <br />x <br />Dr <br />y <br /> <br />U <br />n <br />i <br />t <br /> <br />W <br />e <br />i <br />g <br />h <br />t <br />(p <br />c <br />f <br />)