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Item Task Status Comments <br /> 2 . 3 Supports Check for corrosion , CYes* Jo CN <br /> /A <br /> paint failure , etc. <br /> 2 .4 Water Water drains away YYes i ; No* [ 1N/A <br /> drainage from tank? <br /> 2 . 5 TankStrap secured and in Yes ❑ No* aN/A <br /> grounding good condition ? <br /> 3. 0 Cathodic Protection <br /> 3 . 1 Gavlvanic Confirm system is x Yes iNo* 'CN/A <br /> cathodic functional , includes the <br /> protection wire connections for <br /> system galvanic systems <br /> 3 . 2 Impressed a . Inspect the XYes [-] No* CN/A <br /> current operational <br /> system components ( power <br /> switch , meters , and <br /> alarms) . <br /> b . Record hour meter, XYes CNo* CIN/A <br /> ammeter and <br /> voltmeter readings . <br /> 4.0 Tank Shell , Heads , Roof <br /> 4. 1 Coating Check for coating ❑ Yes* No <br /> failure <br /> 4.2 Steel Check for: ❑ Yes* * No <br /> condition Dents <br /> • Buckling <br /> • Bulging <br /> • Corrosion <br /> • Cracking <br /> 4 . 3 Roof slope Check for low points ❑Yes* A No N/A <br /> and standing water <br /> 5. 0 Tank E ui ment <br /> 5 . 1 Vents Verify that ❑ Yes* XNo <br /> components are <br /> moving freely and vent <br /> passageways are not <br /> obstructed for: <br /> • Emergency vent <br /> covers <br /> • Pressure/vacuum <br /> vent poppets <br /> • Other moving vent <br /> components <br /> AST INSPECTION STANDARD $ SEPTEMBER 2011 <br /> COPYRIGHT© 2011 Steel Tank Institute <br />