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Hazardous Waste Tank System October <br /> Title 22 Assessment Per CCR Title 22 <br /> Premier Dodge of Tracy, 3460 Naglee Drive,Tracy, CA 95304 2014 <br /> Tank Integrity: The tank has been in service for 14 years and shows no <br /> evidence of leakage. UL 142 Tank. <br /> _ Ultrasonic Thickness Gauge Measurements <br /> UTG Measurement Used Antifreeze Tank <br /> Data Point ID Thickness Units <br /> 01 0.110 IN <br /> _ 02 0.110 IN <br /> 03 0.120 1N <br /> 04 0.120 IN <br /> 05 0.120 IN <br /> 06 0.110 IN <br /> 07 0.110 IN <br /> 08 0.110 IN <br /> 09 0.120 IN <br /> 10 0.110 IN <br /> Average 0.114 IN <br /> Standard deviation 0.005 IN <br /> Hydrostatic Calculation <br /> Hydrostatic Calculation Tank, Used Antifreeze <br /> Rectangular <br /> Material of Construction Steel <br /> Yield Strength, psi 30000.00 <br /> Design Yield Strength, psi 25000.00 <br /> Weld Efficiency 0.70 <br /> Effective Yield Strength, psi 17500.00 <br /> Depth of Li uid, in 32.40 <br /> Area of wetted wall, ft2 11.70 <br /> S.G Contents 1.05 <br /> _._ <br /> Average Pressure, lb/ft2 88.45 <br /> Resultant Force, lbs 1034.89 <br /> Location of Resultant Force, from bottom, in 10.80 <br /> _.. Moment, ftlbf of R 931.40 <br /> Resisting Moment at top of tank, B 931.40 <br /> Resisting Moment arm at B, ft 3.00 <br /> Resisting Force at B 310.47 <br /> Resistinq Force at bottom of tank at A 724.42 <br /> Area of tank bottom under tension, int 5.61 <br /> Tensile stress at tank wall bottom corner, psi 129.13 <br /> Effective Yield Strength > Applied Tensile Stress <br /> Factor of Safety 135.52 <br /> Strandberg Associates 1(866) 388-0404 johna-strand berg associates.conn 20 <br />