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Chase Chevrolet Waste Oil & Waste Antifreeze Tank Assessment (2010) <br />Seismic/Anchoring findings: The tank as designed operated, and the <br />containment area in which it is located are adequately chored and are <br />seismicallv sound. Initials: <br />Leak Test: <br />The tank has been in service for 15 years and shows no evidence of <br />leakage. <br />Chase Chevrolet Waste Oil Tank <br />Hydrostatic Calculation <br />Rectangular, Vertical, Closed Top <br />Material of Construction Steel <br />Yield Strength, psi <br />30000.00 <br />Design Yield Strength, psi <br />27000.00 <br />Weld Efficiency <br />0.70 <br />Effective Yield Strength, psi <br />18900.00 <br />Depth of Waste Oil <br />54.45 <br />Area of w etted w all, ft2 <br />39.70 <br />S.G Contents <br />0.95 <br />Average Pressure, Ib/ft2 <br />134.49 <br />Resultant Force, lbs <br />5339.73 <br />Location of Resultant Force, from bottom, in <br />18.15 <br />Moment, ftlbf of R <br />8076.35 <br />Resisting klorrent at top of tank, B <br />8076.35 <br />Resisting Moment arm at B, ft <br />5.00 <br />Resisting Force at B <br />1615.27 <br />Resisting Force at bottom of tank at A <br />3724.46 <br />Area of tank bottom under tension, in2 <br />8.84 <br />Tensile stress at tank w all bottom corner, psi <br />421.56 <br />Design Yield Strength > Applied Tensile Stress <br />Factor of Safety <br />64.05 <br />