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MbitivL-Lj <br /> FEB 2016 <br /> SP001 Tank Inspection ' 2 016 <br /> NCPA CTI, Lodi, CA 95240 ENVIR�MEN` AL <br /> HEST!-"nt"VtN 1 <br /> 7.1.9.3 Primary Level Gauge. The level gauge consists of a sight glass system with level controls. The <br /> level was observable in the sight glass. The level controls must be tested for proper operation <br /> annually. <br /> 7.1.10 Bonding and Grounding. The tank's bonding and grounding was inspected and found to be in <br /> good condition. <br /> 7.2 Shell Wall Thickness; <br /> 7.2.1 Review of original documentation: Original Design Documentation is not available <br /> 7.2.4 Measure areas with no corrosion. Paint was removed from a spot in the shell and measured. The <br /> base metal thickness without paint was 0.187". The rest of the readings were taken through the paint. <br /> The paint allowance is 0.02". The shell is free of corrosion. Measurements indicate there is little or no <br /> internal of external corrosion of the shell. <br /> John Strandberg PE,rwaterguy(4rwaterguy.com 1-866-388-0404 41 P a g e <br />