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Hazardous Waste Tank System January <br /> Written Assessment per CCR Title 22 <br /> Lube Zone 24511 Hwy 99 Acampo, CA 95220 2020 <br /> Foundation Assessment <br /> Foundation Analysis - Used Oil Tank <br /> Soil Type: Clay Sandy, Allowable Pressure, psf 1500.00 <br /> area of foundation, ft2 36.46 <br /> depth of concrete, in 6.00 <br /> weight of concrete, lbs 2730.00 <br /> weight of tank and contents, lbs 21318.00 <br /> total weight on soil, lbs 24048.00 <br /> pressure on soil, psf 659.60 <br /> Safety Factor 2.27 <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 100.00 <br /> Foundation Bearing Capacity, Fb, lbs 74375.00 <br /> Combined weight of tank and contents, lbs 21318.00 <br /> Safety Factor 3.49 <br /> Foundation is Oka <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 john@strandbergassociates.com 15 <br />