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Hazardous Waste Tank System <br /> Written Assessment per CCR Title 22 NOV <br /> Applied Aerospace Structures Inc. 34375 South Airport Way, Stockton,CA 95205 2022 ,® <br /> Ultrasonic Thickness Gauge Measurements <br /> UTG Thickness <br /> Chrome Treatment Tank <br /> Data Point Thickness Units <br /> 1 0.436 IN <br /> 2 0.467 IN <br /> 3 0.446 IN <br /> 4 0.461 �N� <br /> 50.477 <br /> 6 0.455 IN <br /> 7 0.467 IN <br /> $ 0.442 IN <br /> 9 0.470 IN <br /> 10 0.447 IN <br /> averse 0.457 IN <br /> std. dev. 0.014 IN <br /> Hydrostatic Strength Calculation <br /> Hydrostatic Calculation - Chrome Treatment Tank <br /> Cylindrical, Cone <br /> Material of Construction E3�000.00 <br /> DPE <br /> Yield Strength, psi' <br /> Shear Stren th, si 10.00 <br /> Weld Efficiency 1.00 <br /> Effective Yield Strength, psi 1710.00 <br /> Depth of Liquid, in 61.00 <br /> S.G Contents 1.00 <br /> Pressure at bottom plate, Ib/ft2 317.20 <br /> Bottom Plate Diameter, in 6.00 <br /> Area of bottom plate, in2 28.26 <br /> Area of bottom plate, ft2 0.20 <br /> Force on bottom plate, lbs 62.25 <br /> Area of tank bottom wall under shear, in2 8.48 <br /> Shear stress at tank wall bottom corner, psi 7.34 <br /> Effective Yield Strength > Applied Shear Stress <br /> Factor of Safet 232.89 <br /> • The tank has sufficient strength for its current use <br />