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i <br /> Check far corrosion, Yes' o WA <br /> paintfailure,etc.Water drains away No' WA <br /> from tank?Strap secured and in No` NIA <br /> good condition? <br /> 3.0 Cathodic Protection <br /> 3.1 Gavlvanic Confirm system is Yes No" <br /> cathodic functional,includesthe <br /> protection wire connections for <br /> system alvanics stems <br /> 3.21mpressed a. Inspect the Y NO' NIA <br /> current operational <br /> system components(power <br /> switch, meters,and <br /> .terms . <br /> b, Record hourmeter, e No" NfA <br /> ammeterand v� O <br /> voltmeter readings <br /> 4.0 Tank Shell,Heads Rooi <br /> 4.1 Coating Check for orating Yes' a <br /> (allure c, tll,-fP- <br /> 4.2 Steel —Crack for. Yes* N <br /> condition • Dents <br /> • Buckling <br /> • Bulging <br /> • Corrosion <br /> • Cnsckin <br /> 4.3 Roofslope Check for low points Yes' No <br /> and standing water <br /> 5.0 Tank E ui h, <br /> 5.1 Vents Verify that Ye No <br /> components are <br /> moving freely and vent <br /> passageways are not <br /> obstructed br: <br /> • Emergency vent <br /> Covers <br /> • Pressure/vacuum <br /> vent poppets <br /> • Other moving vent <br /> components <br /> AST INSPECTION STANDARD 9 SEPTEMBER 2011 <br /> COPYRIGHT©2011 Steel Tank Institute <br />