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Hazardous Waste Tank System <br />Written Assessment per CCR Title 22 <br />Valley Quick Lube, Tracy <br />October <br />2018 <br /> <br />Strandberg Associates 1(866) 388-0404 rwaterguy@rwaterguy.com 15 <br />Foundation Assessment <br /> <br />Foundation Analysis - Used Oil <br />Soil Type: Clay Sandy, Allowable Pressure, psf 1500.00 <br />area of foundation, ft2 16.79 <br />depth of concrete, in 6.00 <br />weight of concrete, lbs 1257.36 <br />weight of tank and contents, lbs 4874.00 <br />total weight on soil, lbs 6131.36 <br />pressure on soil, psf 365.14 <br />Safety Factor 4.11 <br />Soil is Okay for Foundation <br />Concrete Analysis <br />fc', psi 2500.00 <br />br 0.70 <br /> 1.00 <br />loaded area, in2 312.00 <br />Foundation Bearing Capacity, Fb, lbs 232050.00 <br />Combined weight of tank and contents, lbs 4874.00 <br />Safety Factor 47.61 <br />Foundation is Okay for tank. <br /> <br />Tank Tightness Testing <br /> <br /> <br />Figure 14 <br /> Tank tightness testing