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CMP Part 4B. Sanitary Sewer Plan <br /> Future Sewer Maintenance Needs <br /> Orono is committed to maintaining and improving the existing sanitary sewer system. In addition <br /> to the normal routine and reactive maintenance operations the city is committed to the following <br /> proactive/preventive maintenance programs: <br /> Program Description Purpose Annual <br /> Budget <br /> (2018$s) <br /> Annual sewer This project includes the cleaning and This project is part of the City $ 45,895 <br /> cleaning and inspection (televising) of 1/5 of the preventative maintenance program. <br /> inspections City's sewer mains each year. The results of the inspection are used <br /> to determine future maintenance <br /> needs and identify possible sources <br /> of I&I. <br /> Annual Lift All 44 Lift and Grinder stations with in The results of the inspection are used $7,000 <br /> Stations the city are inspected annually. to determine future maintenance <br /> Inspections needs. <br /> Sewer Sanitary Sewer Rehabilitation projects Reduce Inflow and Infiltration (I&I) $265,225 <br /> Rehabilitation will consist of Cured in Place Pipe into the Sanitary sewer systems. The <br /> (CIPP)lining of infiltration susceptible lining process creates and new <br /> sanitary sewer pipes, manhole durable pipe within the older pipe at <br /> reconstruction, and lid replacement. a much reduced cost from open <br /> curing or directionally drilling. <br /> Lift Station This project will rehabilitate 2 of the Ensure the reliability of the city's lift $ 110,000 <br /> Rehabilitations City's 46 Lift Stations. Rehabilitation station system. Allows City to <br /> includes the inspection, and provide extensive maintenance to <br /> replacement of a lift stations piping, each Lift Station once every 22 years. <br /> motors, pumps and control as well as <br /> repairs wet well. <br /> Backup Generator This project will provide a backup This project is part of a systematic $ 150,000 <br /> Installation generators for 2 Lift Stations per year. effort to provide backup power to <br /> critical City infrastructure. <br /> Sewer System This project will see the provision of This is a continuation/ expansion of $ 26,000 <br /> Monitoring electronic monitoring of 4 additional the project begun in 2016. As of <br /> Lift Stations per year. This project will 2017 the city has 30/46 lift stations <br /> upgrade/replace components of the being electronically monitored. The <br /> monitoring system including antennas, provision of electronic monitoring <br /> cabling, and uninterruptable power for all of the city's lift stations will <br /> supply(UPS). improve response time to issues, <br /> reduce backup incidents and provide <br /> real time monitoring and reporting <br /> for accountability. <br /> City of Orono Community Management Plan 2020-2040 Part 4B, Page 20 <br />