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r <br />v <br />u <br />W <br />z <br />0 <br />r <br />N <br />K <br />W <br />Z <br />K <br />O <br />U <br />d <br />7 <br />O <br />K <br />.~ <br />~_ <br />- BORING NUMBER EB-4 <br />PAGEtOF1 <br />n CORNERSTONE <br />`: EARTH GROUP PROJECT NAME Ponderosa Active Adult Community <br />PROJECT NUMBER 132-2-1 <br />PROJECT LOCATION Ironwood Drive-Pleasanton, CA <br />DATE STARTED 12/17/07 DATE COMPLETED 12/17/07 GROUND ELEVATION 354 FT +/- BORING DEPTH 20 ft. <br />DRILLING CONTRACTOR Exploration Geoservices. Inc. tr4TITUDE LONGITUDE <br />DRILLING METHOD 8" HSA GROUND WATER LEVELS: <br />LOGGED BY AKT ~ AT TIME OF DRILLING Not Encountered <br />NOTES 1 AT END OF DRILLING Not Encountered <br /> Tnis lopeapetl of a,apon by COmersbue EeM Group. antl snouitl nm ee ucea <br />f p <br />M <br />R <br />4 <br />li <br />l <br />b m <br />l <br />4 <br />~ a <br />~ <br />(7 UND RANE D SHE AR ST RENG TH, <br /> <br />S b <br />slantl-abne tlocummt T <br />a tlesc <br />p <br />an app <br />es on <br />y <br />e <br />oca <br />on o <br />explorelion et Ne time of tllillllp. SuECUrteu contlab,n mny tllRer elMMr <br />liN <br />i <br />u <br />lm li <br />TM M <br />i <br />i <br />resemeeba <br />i <br />M <br />l <br />~' W <br />~ F <br />2 <br />c7 2 % <br />~ Z <br />y~ <br />Q H <br />AND P k <br />ENETR 51 <br />OMET <br />ER <br />2 <br />O C J <br />g a <br />oo <br />on w <br />me. <br />SV <br />g <br />on p <br />onca <br />may c <br />ianpa a <br />bW <br />SImpIM,S14M OeadualwnOl00nc enwumele6 Trencllbm EeNMen idl lyp9a may <br />ea pretlual ~ <br />~ <br />, i m <br />y] <br />z W <br />3 W ~ <br />~ O 2 <br />u'n <br />~ T <br />ORVAN <br />E <br /> t <br />~° ~ . ~ <br />? <br />' a <br />~ a <br />O r0 ~ I'q <br />r <br /> w g~ Q <br />m ~ ~=s= U w` <br />'. U NCON FINED COMP RESSI ON <br />w ~ >a a <br />~ ~ <br />~ N ~ <br />~ wi -U NCON <br />l~ SOLID ATED-U NDRA INED <br /> DESCRIPTION f ~ i o <br />z o a. o 4. o s. o <br />354.0 0 Sandy Silt (ML) <br /> very stiff, moist, yellowish orange, sand <br /> grades fine, occasional medium sand, trace as MG, sz 7 <br /> organics _________________ <br />351.0 Silty Sand (SM) pg MGP ss s <br /> medium dense, moist, yellowish orange, sand <br /> i <br />~ rades fine with occasional coarse sand <br /> 5 . . <br />. g <br /> 27 M43A 3 <br /> Silty Gravel tense from 5 1 /2 feet to 6 feet <br /> "` <br />-------------- <br />346.5 Sandy Silt (ML) <br /> medium stiff, moist, yellowish orange, sand <br /> grades fine a sPT.a s <br /> <br /> 10 <br /> $ SPTS <br /> <br />341.5 Silty Clay with Sand (CL) <br /> stiff, moist, mottled light to dark brown, sand <br /> low to moderate plasticity <br />grades fine zs Mc-eA 101 za <br /> , <br /> 15 <br /> 27 MGT 101 20 <br /> silt <br />i <br />of <br />and <br />33x.0 20 some m <br />nor seams <br />s <br />y <br /> Bottom of Boring at 20.0 feet. <br /> <br /> 25 <br /> <br /> 30 <br /> <br /> <br /> <br />i 35 <br />i <br />