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Tracy Mazda Waste Anti-i .-aze Tank and Waste Oil Assessment <br /> Written Assessment per CCR Title 22 <br /> Tracy Mazda Waste Antifreeze Tank <br /> Hydrostatic Calculation <br /> Tank wall thickness, in 0.24 <br /> Tank Dia. In. 30 <br /> Depth of fluid in tank, ft 3.0 <br /> S.G. of Fluid 1.05 <br /> Pressure of fluid at bottom of tank, <br /> psi 1.37 <br /> hoop stress at bottom of shell, psi 85.31 <br /> Yield Stress LPE , psi 2000 <br /> joint efficiency 1 <br /> effective allowable stress, psi 1154 <br /> Safety Factor 14 <br /> Tank is okay for hydrostatic <br /> Tank Buckling <br /> F, lbs 291 <br /> moment arm, in 20 <br /> M, inlbs 5820 <br /> y max, in 15 <br /> I, in4 2483 <br /> Buckling Stress, psi 35 <br /> Maximum Stress, LPE 1154 <br /> Safety Factor 33 <br /> Tank is okay for buckling <br /> Figure 9. Waste Antifreeze Tank Hydrostatic Calculation <br /> Strandberg Associates 1(866) 388-0404 (650) 329-8918 rwaterguyCa.rwaterguy.com 10 <br />