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Hazardous Waste`rank System December <br /> Preliminary Written Assessment per CCR Title 22 <br /> Chase Chevrolet quick Lube Stockton,CA 95212 2013 <br /> Foundation Assessment <br /> Foundation Analysis, Waste Oil Tank <br /> Soil Type: Clay Sandy, Allowable Pressure, <br /> sf 1500.00 <br /> area of foundation, ft2 50.79 <br /> depth of concrete, in 6.00 <br /> weight of concrete, lbs 3803.28 <br /> weight of tank and contents, lbs 14196.00 <br /> total weight on soil, lbs 17999.28 <br /> pressure on soil, psf 354.37 <br /> Safety Factor 4.23 <br /> Soil is Okay for Foundation <br /> Concrete Analysis <br /> fc', psi 2500.00 <br /> br 0.70 <br /> q 1.00 <br /> loaded area, in2 256.00 <br /> Foundation Bearing Capacity, Fb, lbs 190400.00 <br /> Combined weight of tank and contents, lbs 14196.00 <br /> Safety Factor 13.41 <br /> Foundation is Okay for tank. <br /> Integrity testing finding Based on the above noted integrity test and the <br /> results obtained from t a st, the tank has sufficient integrity for its intended <br /> use. Initials: <br /> RECEIVED <br /> APR 2 5 X014 <br /> ENVIRONMENTAL <br /> ' HEALTH8e T <br /> Strandberg Associates 1 566 388-0404 ELfv ater aater a .corn 14 <br />