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0 <br />u <br />ui <br />z <br />0 <br />m <br />rc <br />w <br />z <br />O <br />U <br />a <br />0 <br />rc <br />.~ <br />BORING NUMBER EB-3 <br />CORNERSTONE PAGE10Ft <br />C <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 355 FT +/- BORING DEPTH 25 ft. <br />DRILLING CONTRACTOR Exploration Geoservices. Inc. LATITUDE LONGITUDE <br />DRILLING METHOD 8" HSA GROUND WATER LEVELS: <br />LOGGED BY AKT SZ AT TIME OF DRILLING Not Encountered <br />NOTES 1 AT END OF DRILLING Not Encountered <br /> TNS roplse Dan ora reponMCOmeramne EeM GrauD. enasMUb notes usetl <br />rul6akne Document Tlb tla5dip4on epplea mly to Me laceUpp dNa <br />K <br />f. a• <br /> <br />~ ~ <br />(~ UNORAINED SHEAR STRENGTH, <br /> <br />k <br />( <br />~ upbn4on at NO lime of CtlYlnp~SUaeurtece centlniora mey GReraldner <br />bcetipln antl nay Wrpemmis louron mm time. TM1e aesdipGOn prezenletl isa ~'- <br />$ m t <br />L7 W X <br />w 2w <br />m> s <br />0 HAND PENETROMETER <br />z ~ ~ slmplmoaXM OtaduY COntlitlon5 anmunreroO.TRnsilbna Eelween sdl rype9 may <br />Ca Bretlud t <br />$ Wj <br />z <br />J w <br />3 <<Z <br />0 Z ceW <br />1 <br />< ~ g . 8 o <br />a U j ~ o Q TORVANE <br /> <br />p <br />~ <br />~~ f <br />ran a is <br />~ ~w <br />i ~ <br />v zR <br />w <br />~ UNCONFINED COMPRESSION <br />w y° ~ a O g wz - TRCNON~SOIIDATED-UNDRAINED <br /> DESCRIPTION ~ a <br />355 <br />0 o ~ . ,.o z.o 3.o a.o s.o <br />. Silt with Sand (ML) <br /> stiff, moist, light brown, sand grades fine <br /> 23 MC-,A 108 13 <br /> grades yellowish brown, trace fine sand, trace <br /> <br />organics z3 Mo-z ,p3 „ <br /> 5 <br /> <br /> 21 Mc.u 87 13 <br />345 <br />5 - 14 MG4A s5 71 <br />. ,p ~:; ~. --------------------- <br />Silty Sand (SM) <br />344.5 loose, moist, yellowish brown, sand grades / „ SPTS <br /> (fine <br />/ <br /> ___ <br />Sandy Silt (ML) „ sPr-e <br /> <br />1 stiff, moist, yellowish brown, sand grades fine <br />34 <br />.5 Silty Clay(CL)--------------- <br /> stiff <br />moist <br />yellowish brown with gray mottle ~~ SPT-] <br /> 15 , <br />, <br />, <br /> trace fine sand, moderate plasticity <br />33 2a McaA ,os ,s <br />5.5 20 Sandy Clay (CL) <br /> stiff, moist, dark brown, sand grades fine, low <br /> plasticity <br />2 <br />.0 <br />33 Clayey Silt(ML)-------------- <br /> very stiff, moist, yellowish orange, low az ML-9A to2 is p <br />330 <br />0 25 plasticity <br />. Bottom of Boring at 25.0 feet. <br /> 30 <br /> <br /> <br /> 35 <br /> <br /> <br />