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• Limited Specialty/Protective Coating (C-61051) <br /> • Painting and Decorating (C-33) <br /> • Plumbing Contractor (C-36) <br /> 3. Is lining a preventive upgrade or a repair of a leaking tank? <br /> • Results of soil samples <br /> • Holes that may have leaked fuel detected by special inspector <br /> • Results of tank integrity tests <br /> • Other monitoring results <br /> 4. Corrective action, if necessary. Will lining inhibit or delay corrective action, if any? <br /> 5. A guideline provided by lining company for local agency inspectors to use when conducting field inspections of tank linings. <br /> 6. Certification by special inspector that the tank is suitable for lining and continued use: <br /> a. Steel or clad tanks <br /> i. sandblast to white metal <br /> ii. ultrasound thickness test of steel walls by appropriately trained person <br /> iii. count number of holes, splits, perforations, and other defects <br /> b. Fiberglass tanks <br /> i. interior walls cleaned by wipe down <br /> ii. interior diameter measurements <br /> iii. visual check for structural, tension, or compression problems <br /> 7. Is the special inspector an appropriate registered professional engineer? <br /> 8. Holes and splits in steel tanks, if any, plugged with self-tapping bolts, boiler plugs, water-tight, hydraulic cement, or welding. <br /> 9. Striker plates installed beneath all tank openings that could be used for manual dipsticking. <br /> 10. Lining applied within 8 hours of sandblasting? <br /> 11. Berfore UST is returned to service, certification by coatings expert or special inspector that tank was lined properly: <br /> a. Steel or clad tanks <br /> i. visual check of lining <br /> ii. thickness test of lining <br /> iii. hardness test of lining <br /> iv. electrical resistance holiday detector test <br /> v. vacuum test <br /> b. Fiberglass tanks <br /> i. visual check of lining <br /> ii. thickness test of lining <br /> iii. hardness test of lining <br /> iv. vacuum test(not required if submerged by 50% of depth in ground water) <br /> 12. If a coatings expert was used, is he financially independent from the tank owner and lining company? <br /> 13. Tank integrity test conducted. <br /> 14. Continuous vapor or ground water monitoring system (tanks that have leaked only). <br /> 15. Tank lining records and test results maintained for remaining operating life of tank. <br /> 16. Spill container. <br /> 17. Overfill prevention equipment. <br /> 18. Proposed monitoring procedures for the tank(s)and piping that will be used once the UST is put back into service. <br /> 19. An emergency response plan for the facility that will be used once the UST(s) is put back into service. <br /> 20. Ten years after lining and every five years thereafter, certification by coatings expert or special inspector that the tank is <br /> suitable for continued use: <br /> 3 <br />