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API 653 Out-of-Service Inspection Report <br /> for mm W <br /> J.R. Simplot Inspection <br /> Tank No. 8 August 27-28,2008 <br /> Lathrop, CA rage 22 of 54 <br /> 4.5 FIXED ROOF <br /> 4.5.1 FIXED ROOF INSPECTION CHECKLIST <br /> # DESCRIPTION COMMENTS <br /> Y 1 Describe condition of fixed roof. Reference Section 2.0 <br /> Y 2 Visually inspect low areas on roof for external Reference Section 2.0 <br /> corrosion. Locate on layout. <br /> Y 3 Conduct Visual Inspection of roof nozzles and Reference Section 2.0 <br /> appurtenances. Locate on layout. <br /> N 4 Conduct Visual Inspection of frangible joint. NIA <br /> N 5 Conduct Visual Inspection of roof insulation. NIA <br /> Inspect for damage. <br /> Y 6 Conduct Visual Inspection of cone roof coating Reference Section 2.0 <br /> system. <br /> Y 7 Check condition of vents, missing or clogged One (1) 6 in. free vent <br /> screens, pallets and gaskets. Condition of Acceptable <br /> vent or gauge hatch etc. Note possible <br /> insufficient venting. <br /> Y 8 Conduct Visual Inspection of internal roof 21 rafters Row 1 (working <br /> supports, rafters, columns, and bases. from center) <br /> Record sizes and locate supports on layout. Pipe Column 1 1 support <br /> Reference Section 2.. <br /> Y 9 Record sizes of fixed roof supports and base Pipe Diameter= 8 in. <br /> plate. Base Plate = 23 in, x 24 in. <br /> (approx.) <br /> APIRPTNE.DOT REV 2 2828030478r,doc 8125/2008 10:09 AM <br />