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Tracy Hyundai Waste Antifreeze Tank measured actual <br /> Shell in 5900 rr)2430 <br /> in in <br /> Reading mm mm in <br /> 117 0.67 7.001695 0.26 <br /> 2 17 0.67 7.001695 0,28 <br /> 3 17.2 0.68 7.084068 0.28 <br /> 4 17.8 0.70 7.331186 029 <br /> 5 18.8 074 7.743051 0.30 <br /> 6 18,7 0,74 7,701864 0.30 <br /> 7 18 0,71 7.413559 0.29 <br /> 8 18.2 0.72 7.495932 0.30 <br /> 9 17.2 0.68 7.084068 0.28 <br /> 10 16.9 0.67 6960508 0.27 <br /> Z17.68 0.696063 7.261763 0.286684 <br /> standard deviation 0.720602 0,028378 0,296873 0.011688 <br /> 1 Figure 6, UTG readings on tank shell. <br /> Hydrostatic Calculation <br /> Thin walled Tanks <br /> Tracy Hyundai, <br /> ' Tank: Waste Antifreeze Cylindrical 1 <br /> Material of Construction LDPE <br /> Tensile Strength, psi 1300.00 <br /> Design Strength, psi 741.00 <br /> Diameter, inches 38.00 <br /> 1 Height of shell, inches 48.00 <br /> Max s.g. of contents 1.10 <br /> Max pressure, psi 1.91 <br /> tank wall thickness, in 0.28 <br /> ' hoop stress on wall, psi 129.38 <br /> Safety Factor 10.05 <br /> hoop stress is less than design strength <br /> ' tank is okay for hydrstatic <br /> Tank Buckling <br /> ' Modulus of Elasticity, psi 25000.00 <br /> poisson's ratio 0.50 <br /> buckling stress, psi 491.23 <br /> Buckling Force, lbs 16411.73 <br /> Horizontal Seismic Force, lbs 950.00 <br /> Safety Factor 17,28 <br /> Design Seismic Force < Buckling Force <br /> Tank is okay for buckling <br /> Figure 7. Hydrostatic Calculation shows tank has sufficient strength for present use. <br /> Review of the Steel Tank Institutes, SPOO1 tank inspection standard indicates the <br /> tank is a category 1 tank and requires only periodic external inspection. <br /> ' Integrity testing findings: Basen the above noted integrity test and the <br /> results obtained from that test, the nk has sufficient integrity for its intended <br /> ' use. Initials: <br /> Tracy Hyundai 8 Antifreeze Tank <br />