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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 13 <br /> <br />Seismic Calculation <br /> <br />Seismic Calculation - Used Oil Tank <br />Rectangular, Double Wall, Horizontal <br />Material of Construction: steel <br />Length, in 62.00 <br />Height, in 63.00 <br />Working Volume, gal 471.00 <br />S.G. of contents 0.95 <br />Tank Wall Thickness, in 0.14 <br />Total Weight of Tank and Contents, lbs 4874.00 <br />Overturning Moment Arm, in 31.50 <br />Resisting Moment Arm, in 16.00 <br />Sds 0.97 <br />Importance Factor 1.25 <br />Fp, ASCE 7-10, 15.4-5 1772.92 <br />Overturning Moment inlbf 55846.90 <br />Resisting Moment, inlbf 77984.00 <br />Overturning Safety Factor - No Tension 1.40 <br />Shear Strength of Anchor. Lbs 3432.00 <br /># of Anchors 1.00 <br />Factor of Safety for Shear 1.94 <br /> <br /> <br /> <br /> <br />Seismic/Anchoring findings: The tank as designed and operated and the <br />containment area in which it is located are adequately anchored and are <br />seismically sound. Initials: <br /> <br /> <br />