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Hazardous Waste Tank System <br />Written Assessment per CCR Title 22 <br />Chase Chrysler Jeep, Stockton, CA <br />Hydrostatic Calculation: <br />Hydrostatic Calculation: Waste Oil Tank <br />Tank wall thickness, in <br />0.13 <br />Tank Dia. In. <br />38.50 <br />Depth of fluid in tank, ft <br />4.60 <br />S.G. of Fluid <br />0.95 <br />Pressure of fluid at bottom of tank, psi <br />1.89 <br />hoop stress at bottom of shell, psi <br />280.41 <br />Yield Stress of unknown steel , psi <br />30000.00 <br />joint effeciency, butt weld unknown <br />0.70 <br />effective allowable stress, psi <br />21000.00 <br />Safety Factor <br />1 74.89 <br />Tank Buckling Calculation: <br />Tank Wall Thickness, mm <br />4.770 <br />Tank Wall Thickness, in <br />0.188 <br />Wt of Tank, lbs <br />713.715 <br />Total Weight of Tank and Contents, lbs <br />2922.668 <br />Zip Code <br />95212 <br />Height of CG, in <br />27.625 <br />Overtuming Moment Arm, in <br />27.625 <br />Resisting Moment Arm, in <br />19.250 <br />Ss <br />0.751 <br />SI <br />0.269 <br />Soil Class <br />D <br />Fa <br />1.200 <br />Fv <br />1.862 <br />Sms <br />0.901 <br />Sml <br />0.501 <br />Sds <br />0.601 <br />Shc <br />0.334 <br />Sds <br />0.601 <br />F, lbs <br />1755.939 <br />moment arm, in <br />27.675 <br />M, inlbs <br />48595.604 <br />y max, in <br />19.250 <br />I, in4 <br />4145.207 <br />Buckling Stess, psi <br />225.674 <br />Maximum Stress, unknown steel, unknown weld, psi <br />21000.000 <br />Safety Factor <br />93.055 <br />Integrity testing fin <br />results obtained fron <br />use. Initials: <br />March 9. 2011 <br />gs: Based on the above noted integrity test and the <br />at test, the tank has sufficient integrity for its intended <br />Strandberg Associates 1(866) 388-0404 (650) 329-8918 rwaterquy(a)rwaterquy.com 12 <br />