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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 /> Inspect all internal shell attachments,for <br /> 3.1 (j) corrosion pitting and deterioration. X <br /> 3.1 (k) Inspect surface for rivet and seam leaks or X <br /> corrosion. <br /> 3.1 ( 1) Inspect circumferential and vertical seams for X <br /> acceptable welding for joint efficiency. <br /> 3.1 (m) Check that supports have reinforcing pads X <br /> welded to the shell. <br /> Inspect shell courses for arc strikes, cracks, <br /> 3.1 ( n) gouges, and other mechanical/metallurgical X <br /> flaws. <br /> 3.1 (o) Inspect and measure metal loss on the heads X <br /> of rivets and bolts. <br /> Inspect all nozzles, gage wells, and other shell <br /> 3.1 (p) internal appurtenances for corrosion pitting, X <br /> cracks and other anomalies. <br /> Ultrasonically inspect shell for thickness(if <br /> not performed from external shell)at each <br /> 3.1 (q) shell course at the bottom, middle and top of X <br /> each course at(8)equidistant locations <br /> around the shell circumference. <br /> Fixed Roof Visually inspect and record all roof deck plate <br /> Inspection surfaces for weld and plate material integrity. <br /> 4.1 (a) Check edges and central rafters for thinning X Debis,engine oil and fecis covering tank top <br /> Roof External with UT or ball hammer prior to accessing the <br /> roof deck. ) <br />