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LPROJECT: CITY OF TRACY <br /> LEWIS MANOR WELL PUMP STATION Log of Boring No. B-1 <br /> L <br /> Tracy, California <br /> BORING LOCATION: 12th Street West and Coolidge ELEVATION AND DATUM., <br /> DRILLING CONTRACTOR: Cal Nev Geoexploration DATE STARTED: DATE FINISHED: <br /> 5113199 5113199 <br /> DRILLING EQUIPMENT: CME 55 TOTAL DEPTH: MEASURING POINT: <br /> 26.5 feet Ground surface <br /> DRILLING METHOD: Solid stem fight auger DEPTH WHERE FREE WATER FIRST ENCOUNTERED: <br /> 12.0 feet <br /> LSAMPLING METHOD: See Boring Log Explanation, Figure 4 DEPTH TO WATER AT COMPLETION(Datel ime): <br /> HAMMER WEIGHT: 140 pounds DROP: 30 inches LOGGED BY: <br /> G. Beukelman <br /> SAMPLES LABORATORY TESTS <br /> M <br /> @ m mMoisture D <br /> m n n o MATERIAL DESCRIPTIONry <br /> E Z E o io Content Density Other <br /> n (%} (pct} I <br /> GRAVEL <br /> Bulk sample from t <br /> 3 8 SANDY CLAY (CL) to a feet <br /> 12 <200--42% I <br /> Soft to stiff, dark greenish gray(Gley 3/i), moist, low to LL=28,PI=113 <br /> medium plasticity R-value-27 <br /> 5 SANDY CLAY/CLAYEY SAND (CL) <br /> t•z3 5 Soft to stiff, brown (7.5YR 413) to yellowish brown (7.5YR 14 <br /> tz4 <br /> 5/6), moist to wet, low to medium plasticity <br /> 10 <br /> 13.3 7 TV=0.3 <br /> 13-4 25 99 PP-0.5 <br /> L ATD uc=725 <br /> L 15 I <br /> I <br /> -4.3 10 Becoming finer and containing trace organics TV-0.3 <br /> 1-4-1 PP=0.5 <br /> L <br /> r <br /> i <br /> L20 <br /> 12 TV_0 6 <br /> PP=1,2 <br /> SANDY GRAVEL (GP) <br /> Dense to very dense, greenish gray (Gley 5/1), wet, gravel <br /> 25 56 to 1-inch diameter, coarse sand <br /> Bottom of boring at 26.5 feet. <br /> L <br /> 30 <br /> 35 <br /> GT-1(03197) <br /> L <br /> Project No. 5313 Geomatrix Consultants Figure 5 <br /> s:L53131gscL99O611ogsLB_01.ai I <br />