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' OCKA1111TED IMMOOY Coll <br /> 4 <br /> ' LOG OF BORING BORING NO MW-4 (WeSHEET Qn)i <br /> CLIENT PROJECT PROJECT NO <br /> East Bay Municipal Utility District Stockton Maintenance Yard 40429 <br /> PROJECT LOCATION COORDINATES ELEVATION (DATUM) TOTAL DEPTH DATE START <br /> Stockton, California N 4852 7530 E 4911 2123 2 93 (msl) 22 5 FEET 2/19/21 <br /> SURFACE CONDITIONS LOGGED BY DATE FINISH <br /> ' Asphalt Weston 2/19/91 <br /> SAMPLING CHECKED BY APPROVED BY <br /> = s W 1 W ED <br /> o � } <br /> CORING z F- <br /> r s 0. Q CLASSIFICATION OF MATERIAL REMARKS <br /> ASPHALT Boring advanced <br /> CLAY firm cohesive plastic damp trace w/7-1/4' 00 hollow stem <br /> fine grained sand (CL) auger <br /> 2 <br /> SPT sampler driven w/140 <br /> 3 lb hammer <br /> 4 <br /> 7 abundant pare and root oasts trace <br /> white cement @ 7 0 <br /> i <br /> SAND fine grained well sorted well <br /> 12 rounded quartz > 70% rock fragments < <br /> 30% wet some silt (Sr') <br /> ' 13 <br /> 14 <br /> 15 <br /> ' 16 <br /> 17 <br /> ' 18 <br /> 19 <br /> 20 SILTY CLAY, firm to stiff very cohesive <br /> 21 plastic wet (CL) <br /> 22 <br /> ' 23 Bottom of boring-Q 22 5 <br /> 24 Wates Level encountered <br /> at 12 feet <br /> ' 25 <br /> 213 <br /> 27 <br /> 28 <br /> 29 <br />