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Hazardous Waste Tank System June <br /> Written Assessment per CCR Title 22 <br /> Zoom Car Wash 4661 Quail Lakes Dr. Stockton CA 95207 2019 <br /> Foundation Assessment <br /> Foundation Calculation - Used Antifreeze Tank <br /> Soil Type: Clay Sandy, Allowable Pressure, psf 1500.00 <br /> area of foundation, ft2 7.07 <br /> depth of concrete, in 6.00 <br /> weight of concrete, lbs 529.03 <br /> weight of tank and contents, lbs 1651.00 <br /> total wei ht on soil, lbs 2180.03 <br /> pressure on soil, psf 308.57 <br /> Safety Factor 4.86 <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 1017.36 <br /> Foundation Bearing Capacity, Fb, lbs 756661.50 <br /> Combined weight of tank and contents, lbs 1651.00 <br /> Safety Factor 458.30 <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 john@strandbergassociates.com 20 <br />