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Fat Clay (CH) <br />Sandy Siltstone <br />low hardness, weak to friable, deep <br />weathering, medium yellow brown, thin <br />bedded to laminated <br />laminations dipping 20-40° SW <br />some fracturing in transitions in bedding <br />dipping downslope to north <br />Silty Sandstone <br />low hardness, weak to friable, deep <br />weathering, very dark gray, thin bedded to <br />laminated <br />laminations dipping 40°N <br />Bottom of Boring at 25.0 feet. <br />RC <br />RC <br />RC <br />NOTES <br />LOGGED BY CSH <br />DRILLING METHOD CME 55 Track Rig, dry rock coring <br />DRILLING CONTRACTOR Britton Exploration, Inc. <br />GROUND WATER LEVELS: <br />DATE STARTED 10/7/14 DATE COMPLETED 10/7/14 BORING DEPTH 25 ft.GROUND ELEVATION <br />LATITUDE LONGITUDE <br />AT TIME OF DRILLING Not Encountered <br />AT END OF DRILLING Not Encountered <br />UNCONFINED COMPRESSION <br />PE <br />R <br />C <br />E <br />N <br />T <br /> <br />P <br />A <br />S <br />S <br />I <br />N <br />G <br />No <br />. <br /> <br />2 <br />0 <br />0 <br /> <br />S <br />I <br />E <br />V <br />E <br />SY <br />M <br />B <br />O <br />L <br />EL <br />E <br />V <br />A <br />T <br />I <br />O <br />N <br /> <br />( <br />f <br />t <br />) <br />PROJECT NAME Lester Property <br />PROJECT NUMBER 132-8-1 <br />PROJECT LOCATION Pleasanton, CA <br />BORING NUMBER EB-2 <br />PAGE 1 OF 1 <br />This log is a part of a report by Cornerstone Earth Group, and should not be used as <br />a stand-alone document. This description applies only to the location of the <br />exploration at the time of drilling. Subsurface conditions may differ at other locations <br />and may change at this location with time. The description presented is a <br />simplification of actual conditions encountered. Transitions between soil types may be <br />gradual. <br />DESCRIPTION <br />UNDRAINED SHEAR STRENGTH, <br />ksf <br />SA <br />M <br />P <br />L <br />E <br />S <br />TY <br />P <br />E <br /> <br />A <br />N <br />D <br /> <br />N <br />U <br />M <br />B <br />E <br />R <br />DE <br />P <br />T <br />H <br /> <br />( <br />f <br />t <br />) <br />0 <br />5 <br />10 <br />15 <br />20 <br />25 <br />30 <br />NA <br />T <br />U <br />R <br />A <br />L <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 />% <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 />PC <br />F <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 />, <br /> <br />% <br />TORVANE <br />1.0 2.0 3.0 4.0 <br />HAND PENETROMETER <br />N- <br />V <br />a <br />l <br />u <br />e <br /> <br />( <br />u <br />n <br />c <br />o <br />r <br />r <br />e <br />c <br />t <br />e <br />d <br />) <br />bl <br />o <br />w <br />s <br /> <br />p <br />e <br />r <br /> <br />f <br />o <br />o <br />t <br />CO <br />R <br />N <br />E <br />R <br />S <br />T <br />O <br />N <br />E <br /> <br />E <br />A <br />R <br />T <br />H <br /> <br />G <br />R <br />O <br />U <br />P <br />2 <br /> <br />- <br /> <br />C <br />O <br />R <br />N <br />E <br />R <br />S <br />T <br />O <br />N <br />E <br /> <br />0 <br />8 <br />1 <br />2 <br />. <br />G <br />D <br />T <br /> <br />- <br /> <br />1 <br />0 <br />/ <br />2 <br />0 <br />/ <br />1 <br />4 <br /> <br />1 <br />3 <br />: <br />1 <br />9 <br /> <br />- <br /> <br />P <br />: <br />\ <br />D <br />R <br />A <br />F <br />T <br />I <br />N <br />G <br />\ <br />G <br />I <br />N <br />T <br /> <br />F <br />I <br />L <br />E <br />S <br />\ <br />1 <br />3 <br />2 <br />- <br />8 <br />- <br />1 <br /> <br />S <br />H <br />R <br />I <br />N <br />E <br />R <br />S <br />. <br />G <br />P <br />J <br />UNCONSOLIDATED-UNDRAINED <br />TRIAXIAL <br />151 CORNERSTONE <br />EARTH GROUP <br />'¥- <br />_y <br />0 <br />l:::,. <br />• • <br />-~ - <br />-~ ------------------------X X <br />X X <br />-X X <br />X X <br />X X -X X <br />X X <br />X X -X X <br />X X -X X <br />X X <br />X X -X X <br />X X <br />-X X <br />X X <br />X X -X X <br />X X <br />X X -X X <br />X X -X X <br />X X <br />X X -X X <br />X X <br />-X X <br />X X <br />X X -X X <br />X X <br />-X X <br />X X <br />X X -X X <br />X X <br />X X -X X <br />--:--:---:--:------------------------- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />-