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Received on 10/23/2019 <br /> SJC EHD - CR <br /> mc're the Tanks Groundand Bonded Antl/Or Bonded <br /> Properly? as <br /> 7- -77771 <br /> they <br /> tairwa s-Handrails- Palmer,oLadders one <br /> Ptrhe <br /> 5.0 External Shell <br /> ank Exlemal Coatin Paint <br /> lemal Coatin Condifion Good <br /> ther <br /> ondition Of Welds ood <br /> orrosion o <br /> Evidence of Distortion o <br /> echanical Dama e o <br /> Evidence of Leaks o <br /> Re ads or Chan es to Original Design? o <br /> ther <br /> 7DmagInsulation Observations Cornments/Reconninexudati� <br /> e <br /> ation Missing? /A <br /> nte of Moisture? N/A <br /> nce of Mold? N/A <br /> to Insulation? N/A <br /> Under Insulation? N/A <br /> r <br /> Plending Water low areas)? o <br /> osting Failure? P. <br /> her <br /> 6.0 Ulbasiondic Thickness Testing <br /> Comments <br /> Itrasonic Thickness Testing UT measurements were taken on single wall tanks as required by STI SP001 formal <br /> external inspection protocol. See figure 1.1 for a summary of results <br /> Instrument Manufacturer Olypus <br /> odel No. 38DL Plus <br /> alibrafion Due Date Calibrated for use <br /> Presentation -scan <br /> ranstlucer Manufacturer Panametrics <br /> .del No. 07906-SM <br /> Previous UTT inspection Records Available? NJA <br /> re UL 142 Steel Thickness Standards Being L 142 manufacturing specifications will be used for comparison purposes.10K horizontal <br /> sed For Can arison Pur oses? anks built to UL 142 standards will have a minimum steel thickness of.240 <br /> TT Comm onls he mean a average readingtaken was.248 onthe sidewall and .254 on the end ea s. <br /> their <br /> 6 <br />