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Storage Tank Inspection Checklist <br /> Equipment#: Emergency Generator C Fuel Tank <br /> Item Inspection Task Y N N/A Comments &Observations <br /> On flat bottomed and cone down roof decks, <br /> 5.1 (b) check for a vapor dam around the periphery of X <br /> the roof. <br /> Visually inspect all deck and pontoons for <br /> 5.1 (c) liquid leakage and evidence of corrosion X <br /> pitting and thinning. <br /> 5.1 d <br /> ( ) Inspect underside of roof cutouts for <br /> mechanical damage. X <br /> 5.1 (e) Inspect roof supports and legs for structural X <br /> damage and corrosion. <br /> Inspect all sample hatches,gage wells, <br /> 5.1 (f) autogages drains,vents, manways, drains, X <br /> and other roof appurtenances for corrosion. <br /> Ultrasonic test roof plate thickness at the roof, <br /> center, middle and edge locations upon (8) <br /> 5.1 (g) equidistant test points around the X <br /> circumference of the roof. <br /> 5.2(a) Inspect internal pontoon surfaces,welds,and <br /> I Roonal supports for evidence of leakage. X <br /> Inspect internal rafters, roof supports and <br /> 5.2 b <br /> ( ) attachments for cracking and corrosion. <br /> Assure that reinforcing pads have been X <br /> installed for all clips, braces, brackets,etc. <br /> 5.2 c <br /> ( ) If reinforcing pads are not evident, MT or PT <br /> inspect the welds and deck plate for cracking. X <br />