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. API 653 In-Service Inspection Report <br /> for <br /> Pacific Ethanol HMT Inspection <br /> Tank No. T-6101 August 6,2013 <br /> Stockton, CA Page 21 of 44 <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) Reference Section 2.0 <br /> ref.API 653, Paras.4.2.1.1 &4.2.1.2). <br /> 86 Visual inspection of low areas on roof for external corrosion. Locate Acceptable <br /> on layout ref.API 653, Pares.4.2.1.1 &4.2.1.2). <br /> 87 Perform UT thickness readings on roof per work scope. Acceptable <br /> 88 Conduct Visual inspection of roof-to-shell joint(ref.API 653, Para. Acceptable <br /> 4.2.2.2). <br /> 89 Conduct Visual inspection of roof insulation. Inspect for damage(ref. N/A <br /> API 653, Paras.6.3.1 &6.3.2.2). <br /> 90 Manway/nozzle/appurtenance condition(ref.API 653,Para.4.2.4.5 Reference Section 2.0 <br /> &API 650, Para. H.5.2.2). <br /> Identify pressure/vacuum vents or vents(quantity and sizes). Acceptable <br /> 91 (ref.API 653, Para.4.2.4.5/API 650, Para.H.5.2.2/API 650,Para. Type: Free Vent <br /> 5.8.5 . Size=12-inches <br /> 92 Inspect pressure/vacuum vent pallet assembly seals and screens N/A <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). N/A <br /> 94 Scaffold support is present and is in good condition(ref.API 650, N/A <br /> Para.5.8.8 and Figure 5-22). <br /> 95 Level alarm mechanical damage) ref.API 653, C.2.10.10). Acceptable <br /> 96 Visual inspection of high-level and high-high-level alarms for damage. N/A <br /> ALUMINUM DOME ROOF <br /> 97 Check perimeter flashing for damage. N/A <br /> 98 Evidence of leaking panels water areas on internal floater). N/A <br /> 99 Deterioration of skylights(crazing caused by UV light,cracking)(ref. N/A <br /> API 650 Para.G.2.6). <br /> 100 Panel caulking and seals entire roof) ref.API 650 Para.G.2.5.1). N/A <br /> 101 Rain gutters(damaged or broken). N/A <br /> 102 Dome overhang screens in place and in good condition. N/A <br /> 103 Check dome roof support details for signs of damage or malfunction. N/A <br /> 104 Check roof for pinholes,tears,or other damage to the aluminum N/A <br /> sheeting. <br /> RR-- F=!�I <br /> heetin . <br /> !�I <br /> AUG 14 2014 <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br /> APIRPTNE.DOT REV 2 2326286sTr 101r(2) 1012120138:10 AM <br />