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Hazardous '✓ 9ste Tank System <br />Written Assessment per CCR Title 22 <br />Stockton CSMS S <br />UTG Readings: <br />CA <br />Stockton CSMS Waste Antifreeze Tank <br />Ultrasonic Thickness Gauge Measurement <br />0.1 <br />Inches <br />Measurement <br />Thickness <br />1 <br />0.1 <br />2 <br />0.1 <br />3 <br />0.1 <br />4 <br />0.1 <br />5 <br />0.11 <br />6 <br />0.11 <br />7 <br />0.1 <br />8 <br />0.11 <br />9 <br />0.1 <br />10 <br />0.1 <br />11 <br />0.1 <br />12 <br />0.1 <br />13 <br />0.11 <br />14 <br />0.1 <br />15 <br />0.1 <br />average <br />0.1 <br />std dev <br />0 <br />Hydrostatic Calculation: Waste Antifreeze Tank <br />Tank wall thickness, in <br />0.1 <br />Tank Dia. In. <br />48 <br />Depth of fluid in tank, ft <br />4.7 <br />S.G. of Fluid <br />1.05 <br />Pressure of fluid at bottom of tank, psi <br />2.14 <br />hoop stress at bottom of shell, psi <br />513.24 <br />Yield Stress of unknown steel , psi <br />30000 <br />joint effeciency, butt weld unknown <br />0.7 <br />effective allowable stress, psi <br />21000 <br />Safety Factor <br />40.92 <br />Buckling <br />Combined Weight, lbs <br />4669 <br />F, g <br />0.67 <br />moment arm, in <br />27.9 <br />Moment, in lbs <br />33472399 <br />I, in4 <br />4313.68 <br />Applied Bending Stress, psi <br />7759.59 <br />Allowable stress, psi <br />21000 <br />Safety Factor, double wall <br />5.41 <br />OTIE <br />Strandberg Associates <br />1(866) 388-0404 (650) 329-8918 rwaterquy(o)-rwaterguy.com 23 <br />