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API 653 In-Service Inspection Report <br /> for <br /> Pacific Ethanol HAAT Inspection <br /> Tank No. T-6106 Augusts,2013 <br /> Stockton, CA Page 7 of 46 <br /> SUMMARY AND REPAIR RECOMMENDATIONS (CONT'D.) <br /> NOZZLES AND APPURTENANCES (CONT'D.): The vertical ladder coating is <br /> weathered and is starting to show signs of failure with light surface rust present. <br /> Consideration should be given to properly re-coating this detail to minimize further <br /> corrosion. <br /> FIXED ROOF: <br /> Visual (VT) inspection and Ultrasonic (UT) testing was performed in accessible <br /> locations. <br /> Visual (VT) inspection noted the entire roof and handrail coating is weathered and is <br /> showing signs of chalking. The coating is intact with no areas of failure that expose the <br /> underlying carbon steel. There is product residue present on the roof plates. <br /> Consideration should be given to properly cleaning the product residue and monitoring <br /> the coating integrity. <br /> Nominal thickness of the roof is 0.250 inch and the lowest thickness obtained during this <br /> inspection was 0.235 inch. <br /> AUG 14 2014 <br /> APIRPTNEDOT REV 2 23262868/T-6106r(Rev 1) 1116!2013 1:69 PM <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br />