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• <br /> iii. Corrective Actions:A schedule to complete repairs of sewer line <br /> deficiencies identified as being at NASSCO Level 5(or equivalent)within 36 <br /> months,and deficiencies identified as NASSCO Level 4(or equivalent) <br /> within 5 years. Repairs for sewer lines shall be in accordance with Water <br /> Environment Federation(WEF)guidance to prevent spills due to improper <br /> pipe bedding, line loads,earth movement, root growth damage,openings <br /> in sewer lines,and faulty building sewer connections.The identification <br /> and correction over time of any other sewer line system deficiencies,such <br /> as misaligned pipes,grade deviations,solids build-up, hydrogen sulfide gas <br /> • generation, pipe deformation hydraulic overloads, misaligned or damaged <br /> manhole covers,and manholes shall be in accordance with WEF guidance. <br /> Sewer line system deficiencies may, In some cases, be addressed with <br /> increased maintenance. <br /> iv. Controls:The plan shall provide for appropriate control system and <br /> equipment redundancy for each county operated pump station and shall <br /> also provide for timely response to pump station alarms.The plan shall <br /> include a written checklist of standard procedures for pump station <br /> repair and maintenance work for Use by County personnel.The plan shall <br /> be based on the County's experience and shall address,where <br /> appropriate,any additional•failure scenarios besides operator error. <br /> • <br /> • <br /> • <br /> • <br /> • <br /> In re County of Hawaii,Docket No.CWA-309(a)-24-003:Appendix 1 Page 9 of 9 <br />