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Hazardous Waste Tank System September <br /> Written Assessment per CCR Title 22 p <br /> Tracy Mazda, 2680 Auto Plaza Way,Tracy, CA 95304 2018 <br /> Seismic Calculation <br /> Seismic Calculation - Used Antifreeze Tank <br /> Cylindrical, Single Wall, Vertical <br /> Material of Construction: HDPE <br /> Diameter, in. 32.00 <br /> Height, in 37.00 <br /> Working Volume, gal 125.00 <br /> S.G. of contents 1.05 <br /> Tank Wall Thickness, in 0.35 <br /> Total Weight of Drum and Contents, lbs 1157.00 <br /> Overturning Moment Arm, in 20.00 <br /> Resisting Moment Arm, in 16.00 <br /> Sds 1.03 <br /> Importance Factor 1.25 <br /> Fp, ASCE 7-10, 15.4-2 446.89 <br /> Overturning Moment inlbf 8937.83 <br /> Resisting Moment, inlbf 18512.00 <br /> Overturning Safety Factor- No Tension 2.07 <br /> 1/2" dia anchor bracket, lbs shear 3432.00 <br /> # of Anchors 1.00 <br /> Factor of Safety 7.68 <br /> • Tank requires anchors for sliding. <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 /> Strandberg Associates 1(866) 388-0404 rwaterquyarwaterquy.com 22 <br />