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Jul 1719,06:47p Pro Lube Inc 209 3851235 p.16 <br /> Hazardous Waste Tank System <br /> Written Assessment per CCR Title 22 :September <br /> Pro Lube, 608 S. Cherokee Lane Lodi, CA 95240 2018 <br /> Ultrasonic Thickness Gauge Measurements <br /> I UTG Measurement-Used Oil Tank <br /> Data Point Thickness Units <br /> 01 0.143 IN <br /> 02 0.148 IN <br /> 03 0.147 IN <br /> ' 04 0.147 IN <br /> 05 0.146 IN <br /> 06 0.145 IN <br /> 07 0.146 IN <br /> 08 0.146 IN <br /> 09 0.145 IN <br /> 10 0.143 IN <br /> Average 0.146 IN <br /> Std. Dev, 0.002 IN <br /> — Hydrostatic Calculation <br /> Hydrostatic Calculation - Used Oil Tank <br /> Rectangular <br /> Material of Construction Steel <br /> ` Yield Stren th, si 30000.00 <br /> Desi n Yield Strength, psi 25000.00 <br /> vveld_Hriciency <br /> 0.70 <br /> Effective Yield Strength, <br /> psi 17 <br /> De th of Li uid, in 46 0. <br /> 00 <br /> Area of wetted wall, ft2 35.1 10 <br /> ` Rn <br /> S.G Contents 3 <br /> Avera a Pressure - M2 115 <br /> Resultant Force Itis s 5 .60 <br /> Location of Resultant Force 40 <br /> from bottom in 0 7.4 <br /> Moment, ftlbf of R 5274.65 <br /> 60 <br /> Resistin Moment at to of tank 6 527 <br /> Resistin Moment arm at B, ft65 <br /> 4.4.4. <br /> Resistin Force at B 1217.23.33 <br /> Resistin Force at bottom of tank at A 2840.19 <br /> Area of tank bottom under tension, in2 15.77 <br /> Tensile stress at tank will bottom corner, si160.12 <br /> Effective Yield Stren m> lied Tensile Stress <br /> Factor of Safe 97.16 <br /> Strandberg AsscacLa. (866)338-040a , , <br /> 15 <br />