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API 653 In-Service Inspection Report <br /> for <br /> Pacific Ethanol HMT Inspection <br /> Tank No. T-7702 August 8,2013 <br /> Stockton, CA Page 21 of 41 <br /> 4.5 FIXED ROOF <br /> 4.5.1 FIXED ROOF INSPECTION CHECKLIST <br /> ITEM FIXED ROOF INSPECTION <br /> NO. COMMENTS <br /> 85 Roof plate condition(corrosion, pitting, coating failure,standing water) Acceptable <br /> ref.API 653, Paras.4.2.1.1 &41.1.2). <br /> 86 Visual inspection of low areas on roof for external corrosion. Locate Acceptable <br /> on layout ref.API 653, Paras.4.2.1.1 &4.2.1.2). <br /> 87 Perform UT thickness readings on roof per work scope. Acce table <br /> 88 Conduct Visual inspection of roof-to-shell joint(ref.API 653, Para. Acceptable <br /> 4.2.2.2). <br /> $9 Conduct Visual inspection of roof insulation. Inspect for damage(ref. NIA <br /> API 653, Paras.6.3.1 &6.3.2.2). <br /> 90 Manway 1 nozzle f appurtenance condition(ref.API 653, Para.4.2.4.5 Acceptable <br /> &API 650, Para. H.5.2.2). <br /> Identify,pressure I vacuum vents or vents(quantity and sizes). NIA <br /> 91 (ref.API 653, Para. 4.2.4.51 API 650, Para. H.5.2.21 API 650, Para. <br /> 5.8.5). <br /> 92 Inspect pressure I vacuum vent pallet assembly seals and screens NIA <br /> (weathering) ref.API 653, Para.4,2.4.5&API 650, Para.H.5.2.2 . <br /> 93 Gauge hatch clean, operates freely and seals properly). NIA <br /> 94 Scaffold support is present and is in good condition(ref.API 650, NIA <br /> Para. 5.8.8 and Figure 5-22 <br /> 95 Level alarm mechanical damage) ref.API 653, C.2.10.10 . NIA <br /> 96 Visual inspection of hioh-level and high-high-level alarms for damage. NIA <br /> ALUMINUM DOME ROOF <br /> 97 Check perimeter flashing for damage. NIA <br /> 98 Evidence of leaking panels water areas on internal floater). NIA <br /> 99 Deterioration of skylights(crazing caused by UV light, cracking)(ref. NIA <br /> API 650 Para.G.2.6). <br /> 100 Panel caulking and seals entire roof) ref.API 650 Para. G.2.5.1). NIA <br /> 101 Rain gutters(damaged or broken). NIA <br /> F031ODome overhangscreens in lace and in good condition. N/A <br /> 4 <br /> Check dome roof su ort details for si ns of dama a or malfunction. NIA <br /> Check roof for pinholes,tears,or other damage to the aluminum NIA <br /> sheeting. <br /> �IIr, d 7nl4. <br /> APIRPTNEDOT REV 2 232628681T-7702r(Rev 1) 1 f61201T2M PM <br /> ENVIRONWENTAL HEALTH <br /> DEFAFFI HENT <br />