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Item <br />Task <br />Status <br />Comments <br />2.3 Supports <br />Check for corrosion, <br />❑Yes* ❑No ❑N/A <br />paint failure, etc. <br />2.4 Water <br />Water drains away <br />❑Yes ❑No* ❑N/A <br />drainage <br />from tank? <br />2.5 Tank <br />Strap secured and in <br />❑Yes ❑No* ❑N/A <br />grounding <br />good condition? <br />3.0 Cathodic Protection <br />3.1 Gavlvanic <br />Confirm system is <br />❑Yes ❑No* ❑N/A <br />cathodic <br />functional, includes the <br />protection <br />wire connections for <br />s ste <br />galvanic systems <br />3.2 Impressed <br />a. Inspect the <br />❑Yes ❑No* ❑N/A <br />current <br />operational <br />system <br />components (power <br />switch, meters, and <br />alarms). <br />b. Record hour meter, <br />❑Yes ❑No* ❑N/A <br />ammeter and <br />voltmeter readings. <br />4.0 Tank Shell, Heads, Roof <br />4.1 Coating <br />Check for coating <br />❑Yes* ❑ No <br />failure <br />4.2 Steel <br />Check for: <br />❑Yes* Li No <br />condition <br />• Dents <br />• Buckling <br />• Bulging <br />• Corrosion <br />• Cracking <br />4.3 Roof slope <br />Check for low points <br />❑Yes* ❑No ❑N/A <br />and standing water <br />5.0 Tank E ui ment <br />5.1 Vents <br />Verify that <br />❑Yes* Li No <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 8 SEPTEMBER 2011 <br />COPYRIGHT© 2011 Steel Tank Institute <br />