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P of <br /> Versar-Inc. DRILLING LOG PROJECT NO. 2275-001 <br /> Supervising Geologist; M. Sellens Site Name: 503 West Larch Road <br /> Log By. V. Elarth Coring No: SP-2 <br /> Date: 12-13-93 Coring Diameter. 13/4 " <br /> Drilling Contractor. Powercore Soil Sampling Inc. Coring Depth: 21' <br /> Contractor Uc.No. 662116 Corina Location: North side of building <br /> Rig Type: Hydraulic Hammer <br /> Driller Mike Nosewicc <br /> USCS SOIL DESCRIP'T'ION <br /> ° SOIL CONDITION AND GEOLOGIC INTERPRETATION <br /> { v w o F c 2 � SOIL TYPE,ROUNDING,SORTING,PERCENT:GRAVEL,SANDS,FINES <br /> U c COLOR,MOISTURE,DENSITY,SECONDARY POROSITY,ODORS,STAINING <br /> ac m 3 3 a .. GEOLOGY:M.I.ALLUVIUM,BEDROCKas <br /> 0.0'-0.5' Top soil <br /> 0,5'-3.0' Silty clay,dark brown,dry, fractures easily, 10-15% sand, <br /> 2 <2% gravel. <br /> 4 <br /> CL 3.0'-6.0' Clayey silt,dry,20% sand <br /> i 6 <br /> [, 6.0' - 10.5' Sandy silt,moist,light brown, <5% sand,will ribbon to <br /> < 114"thread <br /> 8 <br /> F 10 <br /> CL 10S - 12.0' Silty clay,light brown,no sand,will ribbon to 118" thread <br /> 12 <br /> CL 12.0' -21.0' Same as above but very moist. <br /> 14 <br /> i 16 <br /> i <br /> 18 <br /> t <br /> 19.0' Fust water encountered, water rose to 12.0'after removing corers. <br /> 20 <br /> 21.0' End of Coring. <br /> L22 <br />