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Union acifi, <br />Waste Oil Tank Assessment, 10,000 galiun tank (2009) <br />Leak Test: Tank is in service with no evidence of leaks. Secondary <br />containent is dry. Tank wall thickness of 5.2 mm exceeds the API 650 <br />guide f r small tanks minimum wall thickness of 4.8 mm for new tanks, <br />10,000 gallon tank <br />Present <br />End of Life <br />Taess, in <br />0.21j <br />0.06 <br />rstaticalculation: <br />Ta <br />Dank, ft <br />S.,ludes.2*Sds <br />125.001 <br />16.30 <br />1.131 <br />125.00 <br />16.30 <br />1.13 <br />_ <br />Pressu a of fluid at bottom of tank, psi <br />_ <br />8.00i <br />8.00 <br />hoop stress at bottom of shell, psi <br />2411.631 <br />8336.20 <br />Yield Stress of A36 steel , psi <br />36000. obl <br />36000.00 <br />joint eff ciency, butt weld 1980 to present <br />0.851 <br />0.85 <br />effecti allowable stress, psi <br />30600.00 <br />30600.00 <br />Safety actor <br />12.69 <br />3.67 <br />Bucklin 3 Stress <br />E, psi <br />29000000.00 <br />29000000.00 <br />t, thick ess, in <br />0.21 <br />0.06 <br />r, radius, in <br />62.50 <br />62.50 <br />Buckling Stress, psi <br />57740.16 <br />16704.00 <br />Applied Stress from earth quake, psi <br />Fp, lbs <br />22591.00 <br />22591.00 <br />height, inches <br />196.00 <br />196.00 <br />M, inch lbf <br />2213918.00 <br />2213918.00 <br />I, in4 <br />50634.77 <br />14648.44 <br />c, in <br />62.50 <br />62.50 <br />Applied Stress from earth quake, psi <br />2732.70 <br />9446.05 <br />Combin d Stress, psi <br />2587.15 <br />8942.93 <br />Allowab a Stress, psi <br />28800.00 <br />28800.00 <br />Safety actor <br />11.13 <br />3.22 <br />Integrity testing findings: Pqsed on the above noted integrity test and the <br />results obtaine� from that to t, the tank has sufficient integrity for its intended <br />use. Initi Is: <br />Strandberg Associates 1(866) 388-0404 (6501 329-8918 rwaterguy(�rwaterquy.com 15 <br />