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Hazardous Waste Tank System September <br /> Written Assessment per CCR Title 22 p <br /> Tracy Mazda, 2680 Auto Plaza Way, Tracy, CA 95304 2018 <br /> Foundation Assessment <br /> Foundation Analysis, Used Oil <br /> Soil Type: Clay Sandy, Allowable Pressure, psf 1500.00 <br /> area of foundation, ft2 16.76 <br /> depth of concrete, in 6.00 <br /> weight of concrete, lbs 1255.28 <br /> weight of tank and contents, lbs 5576.00 <br /> total weight on soil, lbs 6831.28 <br /> pressure on soil, psf 407.50 <br /> Safety Factor 3.68 <br /> Soil is Okay for Foundation <br /> Concrete Analysis <br /> fc', psi 2500.00 <br /> br 0.70 <br /> a 1.00 <br /> loaded area, in2 272.00 <br /> Foundation Bearing Capacity, Fb, lbs 202300.00 <br /> Combined weight of tank and contents, lbs 5576.00 <br /> Safety Factor 36.28 <br /> Foundation is Okay for tank. <br /> Integrity testing findings: Based on the above noted integrity test and the <br /> results obtained from that test, the tank has sufficient integrity for its intended <br /> use. Initials: <br /> Strandberg Associates 1(866) 388-0404 rwater uyC�rwaterguy.com 14 <br />