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Received on 10/23/2019 <br /> SJC EHD - CR <br /> Gro <br /> re the Tanks Grounded And/Or Bonded round tanks per N FPA 780 or other accepted industry <br /> Pro erl ? o tandard." <br /> ther <br /> tairwa s-Handrails-Platforms-Ladders A <br /> Mer <br /> 5,0 Ecternal Shell <br /> Extern Coatings Observations Comments/Recommendations <br /> ank External Contin ipaint <br /> External CoatingCondition Fair aint failure. <br /> Cher <br /> ondition Of Welds Good <br /> orrosion Yes <br /> Evidence of Distortion No <br /> echanical Damage No <br /> Evidence of Leaks No <br /> e ads or Changes to Original Design? No <br /> Observations Comments/Recommendations <br /> Cher <br /> Insulation Missing? No <br /> Evidence of Moisture? N/A <br /> vidence of Mold? N/A <br /> Damage to Insulation? N/A <br /> orrosion Under Insulation? N/A <br /> ther <br /> tandin Waterlow,areas? o <br /> poafing Failure? esIso corrosion. <br /> Mer <br /> 16.0 Ultrasonic Thickness Testing <br /> Comments <br /> Itrasonic Thickness Testing UT measurements were taken on singlewall tanks asrequired by STI SP001 formal <br /> eternal inspection protocol.See fi ure 1.1 fare summary of results. <br /> Instrument Manufacturer Olympus <br /> ocal No. 38 DL Plus <br /> alibrafion Due Date Calibrated for use. <br /> resentafion -Sean <br /> ransducer Manufacturer Panametrics <br /> odel No. D7906-SM <br /> revfous UTT Inspection Records Available? N/A <br /> re UL 142 Steel Thickness Standards Being L 142 manufacturing specifications will be used for comparison purposes. 12K horizontal <br /> sed Fa Can arison Pur oses? an built to UL 142 standards will have a minimum steel thickness of.240" <br /> e mean a average reading taken was.30T'on the sidewall,.323",on the and caps,and <br /> TT Comments .2,77 on the tank top.Of the UT readings taken there were no indications requiring repair or <br /> Mer action. <br /> that <br /> e <br />