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e &j) Regional Engineering <br />LAST External inspection Checklist <br />V—" 14� It, <br />F <br />L <br />LAST Exte I rnal Inca ectionbeenllChec Cl€e td? <br />� I <br />3 ' If no record exists of vertical riveted seams, <br />� <br />FEB 2 5 2016 <br />dimension and sketch or photograph the rivet <br />€ <br />pattern and record the number of rows, rivet <br />size, pitch, and whether the joint is butt -riveted <br />L <br />Qr Iap"rls:Eu. <br />FViU"!N! nN <br />a r • R-1eA-r <br />2.4 <br />1 eum p€Ro°.'R <br />L �Y'ai <br />/ <br />1 Inspect wired girder(s) (paint, corrosion), <br />esDecially at tack welds. <br />1 2 Inspect supports and supoo t welds. <br />3 Does the wind girder have drain holes at laws. <br />oints? <br />i 4 Record Wind girder dimensions, Including <br />thickness and elevation <br />2.5 1 <br />ANCHORS <br />E OK l NA <br />Comments: 4 <br />1 ' Inspect anchor bolts and chairs and record <br />I <br />C3 ys ors as e - <br />dimensions Including s acih <br />�r <br />2 i Inspect anchor bolts for stretching, corrosion, or <br />; <br />I <br />pull -Out <br />2.6 <br />StlRI INSULATION <br />10K , NA <br />-.E <br />Comments <br />1 Are there gaps in the Insulation jacket that allow 1 <br />precipitation to penetrate the insulation? ? <br />: <br />l <br />2 i Record the Insulati€In dirrienslons and ty e I <br />l l <br />3 Check for corrosion behind the insulation at { <br />openings or damaged areas 1 <br />4 Can water drain out from behind the Insulation? <br />(typically the insulation stops 4 to 6 in. above <br />the shell to bottom weld. Is the Insulation <br />caulked or sealed to the bottom extension?): <br />e <br />5 Inspect sealing of Insulation around man holes <br />and nozzles <br />2.7 <br />SHEU DIMENSIONS i <br />E €3K NA <br />Comments: <br />i <br />l <br />? <br />record the tank circumference and the elevation E <br />v ( 1 <br />! <br />/0 r 2-0 4k <br />at which the circumference was rreasured. <br />[ <br />2 <br />Record the shell height and the height of each <br />l <br />i <br />shell course <br />I <br />i <br />3 <br />For double bottom tanks, measure and record <br />I <br />any shell offset tetween the shell and the dead <br />shell. Generally offset measurements are taken <br />l <br />at settlement survey locations. <br />i 3.0 <br />SHELL APPURTENANCES <br />3.1 <br />l lw`•.AN l4OUt AND NozzuS <br />E iCK <br />NA. <br />B Comments:" l <br />1 <br />Inspect for cracks and leakage on welds at <br />nozzles man holes and reinforclag.2lates, <br />2 <br />Inspect for shell plate dimpling around nozzles, <br />I caused by excessive or a deflection. <br />i <br />3 <br />j Inspectfor fiange'ealcs and leaks around <br />j bolting. <br />4 <br />E Are telitale holes open to the atmos here? <br />! <br />5 <br />11 Record each nozzle and man hole associated <br />p <br />l dimensions (size, reinforcing plate dimensions, <br />centerline elevation, telltale hole, Weld spacing, <br />and Circumferential location, thicknesses) <br />I <br />i <br />3.2 <br />EX`ERNAL PIPING <br />E <br />10K I NA <br />i Corn mems: <br />1 <br />Inspect piping, flanges, and valves for leaks up <br />,l <br />to the first Flange, threaded joint, or welded <br />e«r <br />joint outside the tank. <br />2 <br />Ins ect fire F.-ghting system Com onents. <br />l <br />3 <br />Is trier e anchored piping Which Would be <br />€movement? <br />hazardous to shell connections during earth <br />it <br />4 <br />! Check that thermal pressure relief of piping to <br />Revision Date: Oct2013 Pace 3 of 9 <br />