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23 SupPorLs Check For corrosion, Yes' NIA <br /> Petri fail etc. <br /> 2.4 Water Water drains away No" NIA <br /> drainage from tank' <br /> 2.5 Tank Strap securetl and in No' NIA <br /> grounding good coodoron4 <br /> 3.0 Cathodic Protection Yes No` NI <br /> 3.1 Gavlvanic Confirm system is <br /> cathodic fundeonal, includes the <br /> protection wire connections for <br /> s stem aIwmjDa stems _ <br /> 3.2 Impressed a.Inspect the e No" N/A <br /> current operational <br /> system components(power <br /> switch,meters,and <br /> alarms. l <br /> b. Record hour meter, Y No" N/A <br /> ammets r and V <br /> voltmeter readin s. <br /> 4.0 Tank Shall,Heads cl 11 <br /> 4.0 Coaling Check for coeting Yes` No <br /> fatura <br /> 42 Steel Check for Yes' No <br /> condition a Dents <br /> . Buckling <br /> Bulging <br /> Corrosion <br /> Cracki <br /> 4.3 Roof slope Check for low points Yes' No N' <br /> and standing water <br /> 5.9 Tank ui moot ye ' No <br /> 5.1 Vents Verify that <br /> components are <br /> moving freely and vent <br /> passageways are not <br /> obstructed tor: <br /> • Emergency vent <br /> covers <br /> • Phass'm/vacuam <br /> vent poppets <br /> • Other moving vent <br /> com onents <br /> AST INSPECTION STANDARD <br /> 9 SEPTEMBER 2011 <br /> COPVRIGHT'CC 2011 Steel Tank Institute <br />