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. .... . . ____....... <br /> 2.3 Supports Check for corrosion, Yes' (t DO WA <br /> paint failure,eta <br /> 2.4 Water Water drains away Y No' N/A <br /> drainage from tank? <br /> 2.5 Tank Strep secured and N e ' No` N/A <br /> grounding good condition? <br /> 3.0 Cathodic Protection Yes No` <br /> 3.1 Gavlvanic Confirm system is <br /> cathodic functional,includes the <br /> protection wire connections for <br /> s stem alvanle 6 stems <br /> 3.2 Impressed a. Inspect tha Yes No` WA <br /> current operational <br /> system components 1power <br /> switch,meters,and <br /> alarms. <br /> b, Record hour meter, No' WA <br /> ammeterand yrp <br /> voltmeter readings, <br /> 4,01'ank Shell Heads Rooi `^_ � <br /> 4.1 Coaling Check for coating Yes' wW <br /> failure <br /> 4.2 Steel Cheek for: Y ' No <br /> condition • Dents <br /> • Buckling <br /> • Bulging <br /> • Corrasion <br /> • Crackln <br /> 4.3 Roof slope Check for low points Yes' No <br /> and standing water <br /> S.OTankE ul ment <br /> 5.1 Vents Verify that Y-" No <br /> components aro <br /> moving freely and vent <br /> passageways are not <br /> obstructed for: <br /> • Emergency vent <br /> covers <br /> • Pressure/VocUUM <br /> vent poppets <br /> • Other moving vent <br /> com onenis <br /> AST INSPECTION STANDARD 9 SEPTEMBER 2011 <br /> COPYRIGHT®:201'1 Steel Tank Institute. <br />