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❑� Northwest Pipe Spill Prevention, Control, and Countermeasure (SPCC) Plan 120 <br /> �-- Company Tracy Plant <br /> 5.4 Inspections, Tests, and Records <br /> As required by 40 CFR §112.7(e), Northwest Pipe Company— Tracy Plant personnel <br /> perform the inspections, tests, and evaluations listed in Table 5.2. The inspections and <br /> tests are described later in this section, and in the respective sections which describe <br /> different parts of the facility (e.g., Section 6.2.6 for bulk storage containers). <br /> Table 5.4 Inspection and Testing Program <br /> Component# Facility <br /> 1 Aboveground Formal tank external inspection Formal external inspection once every <br /> containers> 10,000 once every 5 years by a STI 5 years. <br /> gallons. certified inspector using method <br /> SP-001 (or equivalent)per <br /> 23 CCR§2643(f)&2643.1; <br /> Leak Test by owner or owner's Leak test once every 10 years <br /> designee. PLUS monthly owner Plus monthly owner inspections <br /> inspections documented monthly; and/or <br /> whenever the tank is taken out of <br /> service for any reason. <br /> 2 Aboveground Visual inspection of the container Following a regular schedule(monthly) <br /> containers< 10,000 exterior for signs of deterioration and whenever material repairs are <br /> gallons and discharges. made(includes mobile refueler). <br /> Additionally, an annual inspection will <br /> be conducted 13 inspections) <br /> 3 Container supports Inspect container's supports and Monthly+Annual /Documented <br /> and foundations foundations. <br /> 4 Liquid level sensing Test for proper operation. <br /> devices overfill <br /> 5 Diked areas Inspect for signs of deterioration, Monthly+Annual/Documented <br /> discharges,or accumulation of <br /> oil inside diked areas. Prior to draining—Complete Periodic <br /> Inspect containment contents Visual Oil Storage Inspection Form <br /> visually for presence of oil sheen. with Managers Signature(Appendix G) <br /> 6 All aboveground Assess general condition of Monthly+Annual /Documented <br /> valves, piping, and items,such as flange joints, <br /> appurtenances expansion joints, valve glands <br /> and bodies, catch pans, pipeline <br /> supports, locking of valves, and <br /> metal surfaces. <br /> 7 Oil-filled Operated Subj. to routine insps. via the Monthly+Annual /Documented <br /> Equipment Periodic Visual Oil Storage <br /> Inspection Form (Appendix G) <br /> 5.4.1 Monthly and Annual Inspections <br /> The checklist provided in Appendix G— Periodic Visual Oil Storage Inspection Form <br /> — is used for 12 monthly inspections by Tracy Plant personnel. Annual Visual <br /> inspections are additionally documented on Appendix J. The inspections cover the <br /> following key elements: <br /> 0 Observing the exterior of the container or AST, pipes, and other equipment <br /> for signs of deterioration, leaks, corrosion, and thinning. <br /> 0 Observing tank foundations and supports for signs of instability or excessive <br /> settlement. <br />