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Hazardous Waste Tank System September <br /> 21 Writls;n Assessment per CCR Title 22 <br /> Pro Lube,808 S Cherokee Lane,Lodi,CA 95240 2012 <br /> Foundation Assessment <br /> Foundation Analysis, Used Oil Tank <br /> Soil Type: Clay Sandy, Allowable Pressure, psf 1500.00 <br /> area of foundation, ft2 36.56 <br /> depth of concrete, in 6.00 <br /> weight of concrete, lbs 2737.80 <br /> wei ht of tank and contents, lbs 8967.00 <br /> total weight on soil, lbs 11704.80 <br /> pressure on soil, psf 320.13 <br /> Safety Factor 4.69 <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 36.00 <br /> Foundation Bearing Capacity, Fb, lbs 26775.00 <br /> Combined weight of tank and contents, lbs 8967.00 <br /> Safety Factor 2.99 <br /> Foundation is Okay for tank. <br /> The foundation is free of cracks, gaps, spalling and is sufficiently impermeable <br /> for the storage of aqueous waste. <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 n�raterquv(a—�nvatarauy.com 11 <br />