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T&0 Regional Engineering <br />LAST External Inspection Checklist <br />EAST External Inspection Checklist <br />1 <br />For safety, before accessing the roof, check Its <br />I`JIH I <br />thickness ultrasonically or lightly use a ball peen <br />hammer to test the deck plate near Its edge for <br />Ll <br />thinning. (Corrosion normally attacks the roof <br />plate at the edge and the rafters In the center of <br />ENV1R0NM.7",STP' <br />the roof first.) <br />-- <br />2 <br />1 Visually Inspect for paint failure, holes, pitting, <br />and corrosion. <br />4.3 <br />ROOF DRAINAGE <br />E <br />OK <br />NA I <br />omments: <br />for Indication of standing water. <br />7Look <br />(Significant sagging may indicate rafter or <br />foundation failure or overload. <br />4.4 <br />ROOF INSULATION <br />E <br />OK <br />NA <br />Comments: <br />1 <br />Visually Inspect for cracks or leaks in the <br />Insulation weather coat where precipitation <br />could penetrate the insulation. <br />2 <br />Remove small sections of Insulation and check <br />roof for corrosion. Check for corrosion near the <br />ed es of the insulation. <br />4.5 <br />SAMPLE HATCH <br />E ICK <br />INA <br />I <br />Comments: <br />1 <br />Inspect condition and operation of sample hatch <br />cover. <br />2 <br />Check the condition of the seal Inside the hatch <br />cover <br />3 <br />Where sample hatch Is used to reel gauge stock <br />level, check for marker and tab stating hold -off <br />distance. <br />4 <br />Inspect the reinforcing pad where sample hatch <br />I e penetrates the roof. <br />S <br />On floating roof sample hatch and recoil <br />systems, inspect operation of recoil reel and <br />condition of lines. <br />6 <br />On ultra clean stocks such as ]P4, check For <br />presence and condition of protective coating or <br />liner Inside sample hatch (preventing rust from <br />Ripe getting Into sample). <br />4.6 <br />SCAFFOLD SUPPORT <br />E <br />OIC <br />NA <br />Comments: <br />1 1 Inspect scaffold support for corrosion, wear, and <br />structural soundness. Record dimensions <br />4.7 <br />AUTOGAUGE: INSPECTION HATCH AND GUIDES <br />E <br />JOKf <br />NA <br />Comments - <br />1 T Check the hatch for corrosion and missing bolts. <br />I <br />2 Inspect the tape guide's and float guide's wire <br />1 anchors <br />i <br />4.8 <br />VENTS ON ROOF AND AT TOP OF SHELL <br />1 <br />Record size, manufacturer, model number, and <br />" 6oasxn.ck� 3 yyi f �� <br />number of manufactured vents, and dimensions <br />and number of other vents. Note IF vents are <br />rj <br />open or closed types. <br />2 <br />For closed vents: check pallets and sealing <br />C t.fr <br />surfaces. Ensure proper movement and record <br />anv wei hts that are present. <br />3 <br />Are vents free of obstructions? <br />4 <br />Check the condition of the emergency vent. <br />Record manufacturer size and model number. <br />5 <br />Inspect the external condition of the flame <br />arrestor. <br />6 <br />Record manufacturer, model number, size, and <br />quantity of all Flame arrestors <br />4.9 <br />OVERFLOW ALARM SYSTEM <br />E <br />(OK <br />I NA <br />I Comments: <br />1 <br />Identify and record the types, manufacturer, <br />d?.d< r- <br />and model numbers of overfill protection <br />devices. <br />2 <br />I Check overfill orotection devices for signs of <br />Revision Date: Oct2013 Page 5 of 9 <br />If j <br />'ALTy <br />