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Storage Tank Inspection Check List <br /> Equipment#: Emergency Generator C Fuel Tank <br /> Item Inspection Task Y N N/A Comments &Observations <br /> Inspect shell courses for arc strikes,cracks, <br /> 2.1 ( n) gouges, and other mechanical/metallurgical X Serviceable <br /> flaws. <br /> Inspect and measure metal loss on the heads <br /> 2.1 (0) of rivets and bolts. X <br /> Inspect all nozzles, manways, piping <br /> 2.1 ( p) manifolds and other shell appurtenances for X No issues noted visually <br /> corrosion pitting, cracks,and other anomalies. <br /> Measure wall thicknesses of components <br /> Ultrasonically inspect for thickness for each <br /> shell course at the bottom, middle,and top of <br /> 2.1 ( q) each course at(8)equidistant locations X See attached data sheet <br /> around the shell circumference.Calculate and <br /> assess as per STI SP-001. <br /> Internal Shell Visually inspect and record all shell course <br /> Inspection surfaces for weld and plate material integrity. X <br /> 3.1 ( a) Check all welded or riveted seams for cracks, <br /> Shell Internal pinholes, indication of leakage. <br /> On cone up bottoms, inspect and gage depth <br /> 3.1 ( b) of metal loss on the lower 2 to 4 inches of X <br /> shell for area of standing water. <br /> 3.1 c <br /> ( ) Inspect bottom angle area, and bottom shell to <br /> annular plate welds for corrosion and thinning. X <br /> 3.1 (d) Inspect mixers, paddles, rakes, bustles, and X <br /> center pipes for structural integrity. <br /> Inspect shell locations for gouging, or other <br /> 3.1 (e) mechanical defects from abrasion of rakes or X <br /> solids. <br />