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T&,O Regictnal Engineering LAST External Inspe,-don Che Osit <br />i'ED <br />I LAST External Insnection Checklist cro a r mr. i <br />3 1 Check with the operator 10 confirm that routine <br />fAL <br />IE N, I 10 ` 1 <br />EN <br />testing of the overfill protection devices has V <br />been 2erfb rmed. <br />IT <br />5.0 FLOATING ROOF <br />External t7dating roof inspections shall be conducted from gauger's platform and from walking on the root Itself. The <br />exception Is if the r7baUng roof is made of aluminum or Ifthe space on the roof 15 a permit -required confined space and the <br />not Axtva r-Ari6ifff-Atimm Ar tr:*Irtiney M Pntpr th.411 cnprp. <br />5.1 GENERAL <br />E <br />OK i <br />NA <br />Comments: <br />1 <br />Look for indications of standing liquid on top of <br />the roof. (Large standing liquid areas on a <br />floating roof Indicate inaGequate drainage design <br />L11 <br />or, if to one side, a non -level roof with possible <br />Iea klng pontoons.) <br />2 <br />Visually inspect the floating roof top surface <br />'Corrosion paint condition) <br />3 <br />Check roof legs (damage, and that they all are <br />pinned at the same height). <br />4 <br />If leg racks are present, check that leg <br />extensions are present In the racks, <br />5 <br />Check thatany grounding / static bond cables <br />from the fixed roof to the floating roof or on the <br />floating roof components are not frayed and are <br />2roperly, attached <br />6 <br />Are any portions of the topside of the floating <br />roof subrneE2ed or are its fens colla2sed? <br />7 <br />Are there any covers, lids, or seals that are not <br />closed? <br />Inspect lightnin sh,unts, if aRolicable. <br />_g <br />1 5.2 i LEVEL or FLOATING ROOF E JOK <br />I <br />NA <br />I Comments: <br />.1 <br />At several locations, measure distance from roof <br />rim to the top of the shell. A variance in the <br />distances Indicates a non -level roof with possible <br />shell out -of -round, out-cf-plumb, leaking <br />pontoons, or,hanc-U2 . <br />. . ..... <br />1 $.3 1 GAS TEsr ABovE FLOA'TNG ROOF E <br />OKI <br />NA <br />Comments: <br />I <br />Test for explosive gas in the vapor space above <br />the floating roof. High concentrations could <br />indicate a leaking roof, leaking seal system, or <br />inadequate ventilation of the head space above <br />the internal floating root. <br />. ......... <br />r5.4 RIM SEALS <br />---ments: <br />I <br />Recordthee of semis <br />Inspect seats for holes, tears, or oRenings. <br />3 <br />1 Inspect metallic Darts for corrosion and wear. <br />4 <br />Inspect secondary seals for signs of buckling or <br />indications that their angle with the shell is 11,00 <br />shallow. <br />5.5 GuioEPoL_rfA.K.A. GAUGEPoLi, GAUGEPPE, WELLSJ_ E <br />1OK1 <br />NAJ <br />Comments: <br />1 Record the number and type of each well <br />(colvmn, gauge poie, 1a�dder au�tvoe etc - <br />e? <br />1 2 Does the gauce pole have a float inside? <br />------------ - <br />ole have a pole wiper? <br />i 3 Does 1-tift------------ <br />- <br />_Rauoe <br />4 Check automatic gauge tape cable for wear or <br />fraying caused by ruboing on the gauge welt <br />cover. <br />=1 inspect well seals. <br />6 Inspect the gauge pole for thinning, and record <br />✓ <br />i the dimensions of the pole and its slots <br />7 Inspect roof guide for gauge well, particularly <br />the condition of the rollers. <br />13 Is the opening through the floating roof <br />I <br />I <br />,LeauD ed With a 2?_sKetbetween the sliding <br />_1 <br />I .. .. ... ... - I <br />Revision Date. Oct2013 Page 6 of 9 <br />