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PROJECT: CITY OF TRACY <br /> LEWIS MANOR WELL PUMP STATION Boring Log Explanation <br /> Tracy, California I' <br /> L <br /> _ SAMPLES <br /> � LABORATORY TESTS <br /> 0- cis <br /> n o o MATERIAL DESCRIPTION Moisture Dry <br /> p E z E o Content Density Other I <br /> to m m (%y (pcf) <br /> Modified California drive sampler,2 112-inch outside <br /> r diameter, 2.0-inch inside diameter(with liners) <br /> Li <br /> Bulk sample collected from drill cuttings <br /> 5 � <br /> 23 Blow count for last 12 inches of sample, or as noted i <br /> L <br /> 10 Distinct contact <br /> Gradational or uncertain contact —� <br />:. � 15 <br /> First groundwater encountered during drilling <br /> L <br /> Percentage of fines passing No.200 sieve <200=44°i <br /> L20 LL.=Liquid limit; PI= Plasticity index «=27.Pt=4 <br /> 1-orvane Shear Strength(in tsf) Tv=1.5 <br /> Pocket Penetration Unconfined Compressive Strength (in tsf) PP-1.5 <br /> i <br /> Resistance Value(California Test-301) R-value=20 <br /> 25 Unconfined Compressive Strength (psf) Uca25 <br /> i <br /> L <br /> 30 Notes <br /> 1. The stratification lines shown on the boring logs represent the <br /> approximate boundaries between material types. The actual a <br /> transitions between materials may be gradual. <br /> 2. These logs of the test borings and related information depict <br /> subsurface conditions only at the specific locations and at the <br /> 35particular time the boring was made. Soil conditions at other <br /> locations may differ from conditions occurring at these locations. <br /> L Also,the passage of time may result in a change in the soil and . <br /> groundwater conditions at these locations. <br /> 3. Soil colors from Munsell Soil Color Charts <br /> 40 <br /> _ GT Explanation{03!97) <br /> Project No. 5313 Geomatrix Consultants Figure 4 <br /> sa5313%g sct_990Vog sLLog Exp is n.ai <br />