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<br />0 <br />u <br />ui <br />z <br />O <br />h <br />rc <br />w <br />z <br />z <br />0 <br />U <br />R <br />7 <br />O <br />rc <br />9 <br />BORING NUMBER EB-5 <br />CORNERSTONE PAGE10F1 <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 +/- 60RING DEPTH 21.5 fl. <br />DRILLING CONTRACTOR Exploration Geoservices. Inc. LATITUDE LONGITUDE <br />DRILLING METHOD 8" HSA GROUND WATER LEVELS: <br />LOGGED BY AKT ~ AT TIME OF DRILLING Not Enwuntered <br />NOTES ZAT END OF DRILLING Not Encountered <br /> <br /> <br />~ TNS lap Is a pan of a report M' Comaregrre Eenn Group. ana anoub ml be uses <br />tantl-alone mcumed.lNS tlesmpHan epgbs mygtlre lpcelididga <br />lylbMion er Vw Ome al tlrllinp. &ubw~lem cantlHbn9 may 0iRelal direr <br /> <br />~~ <br />K <br />m <br /> <br />2 • <br /> <br />2 e <br /> <br />X <br /> <br />2 UNDRAINED SHEAR STRENGTH, <br /> <br />I(eI <br /> <br />O <br />~ <br />OJ bcdidn entl mry cbenpa N qis lorabpn wiq lime. TM aescnpHOn prexdetl Is a <br />s'xnpliflratlon pi edual condtions lnewderetl. TransHlpns bMween cpH ypes may m <br />t g ~ <br />W ~ ~ ~ ~ w <br />Z ~/ ~ Q HAND PENETROMETER <br /> be prmuel. 3 a T <br /> ~ g f i ~ ~ W ~ $ Q <br />ORVANE <br />['p p rn ~ ~ w a <br />w z <br />~ i ¢ <br />~ _U <br />~ w `~ ~ UNCONFINED COMPRESSION <br />w 'BO <br />= <br />~ ~ <br />° <br />~ wz .UNCONSOLIDATED-UNDRAINED <br /> DESCRIPTION o a TRIAXIAL <br />354.0 o ~ 1.0 2.0 3.0 4.0 5 0 <br /> Sandy Silt (ML) <br /> very stiff, moist, yellowish orange, sand 3 5„ MC-1A too e <br /> grades fine, lightly cemented at 1 foot to 2 <br /> feet <br /> 41 MCY 110 11 <br /> 5 <br /> <br /> 29 Mca <br />345 <br />0 <br />. Clayey Silt with Sand (ML) 12 MCdA 103 18 <br /> 10 medium stiff <br />moist <br />ellowish b <br />d <br /> , <br />, y <br />rown, san <br /> grades fine, low plasticity <br />341 <br />0 <br />. -------------- <br />Silty Clay (CL- <br /> stiff, moist, light to dark brown, trace fine to Mc.sA tts is <br /> 18 sand, low plasticity <br /> <br /> 37 Mc-sa 773 7 <br />334.5 2p ~:; ~'. ---------------------- <br />Silty Sand (SM) <br />333.5 medium dense, moist, yellowish orange, sand / tD spT-7 <br />332.5 (grades fine to medium / <br /> <br />------------- <br />Sandy Silt (ML) <br /> stiff, moist, light brown, low plasticity <br /> Bottom of Boring at 21.5 feet. <br /> 25 <br /> <br /> 30 <br /> <br /> 35 <br /> <br /> <br />