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Spill Prevention, Control and Countermeasure Plan <br /> Tesla Treatment Facility Page 28 of 45 <br /> Table 2-5: Inspection and Testing Program (Continuation) <br /> Facility Inspection/Testing Tasks Frequency <br /> Component <br /> Substation Transformer <br /> Transformer exterior. Tank integrity testing. Visual inspection of transformer Every three(3)years and whenever <br /> exterior,foundation and support for signs of oil leakage, material repairs are made. Tank <br /> tampering,battered metal or gouges,scratches or integrity testing at time of <br /> weathering of paint protective coating,and distress or manufacture/installation. <br /> deterioration. Check area around transformer for debris, <br /> stored materials,and other obstructions. <br /> Transformer interior. Visual inspection of gauges and controls to ensure proper At time of manufacture and <br /> operation;drain cocks,plugs,fuse mountings,and installation,and whenever material <br /> switches,bushings for potential equipment leaks;tank repairs are made. <br /> pressure gauge to ensure pressurized tank;oil level gauge <br /> to ensure filled tank;temperature gauge to ensure proper <br /> liquid temperature;pressure relief valve for dirt,debris <br /> and operation;signs of distress,deterioration or damage. <br /> Dielectric fluid in tank. Collect sample of dielectric fluid in the transformer tank At time of transformer installation <br /> for submittal for laboratory analysis to ensure dielectric and whenever the dielectric fluid in <br /> fluid meets operating requirements. the transformer's integral tank is <br /> drained or replenished. <br /> 2.9.2 Daily Observations <br /> In general,it is the SFPUC's intention to train all facility operators such that they will be conscious <br /> of conditions that are indicative of the occurrence of a discharge or potentially result in a discharge. <br /> This awareness allows facility operators to identify and rectify those conditions during the course <br /> of their day-to-day activities. Any visual leaks or signs of distress identified are repaired promptly <br /> and/or reported to the Chief Stationary Engineer, and any oil discharge is stopped, contained and <br /> collected for disposal. <br /> Facility operators perform daily walk-through of the facilities and visually inspect the exterior of <br /> the bulk storage tanks, piping and other exposed equipment, standby power generators, and <br /> substation transformer for signs of distress,damage or leakage,and for evidence of surface staining <br /> or spillage. <br /> 2.9.3 Monthly Inspections <br /> A formal inspection the standby power generators and bulk storage tanks facility is conducted by <br /> facility operators on a monthly basis. The inspections involve a visual assessment of the structural <br /> and operational integrity of the containers and related equipment. Facility operators look for leaks <br /> and spills, corrosion cracks, failing seals, loose equipment, safety concerns, and the general <br /> cleanliness of the facility. <br /> Appendix G provides an example of inspection forms used by facility operators. The inspections <br /> cover the following key elements: <br />