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The Field Investigations and Design Considerations to Rehabilitate an 80 year old 72-inch

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The Milwaukee Metropolitan Sewerage District's (MMSD) Central Metropolitan Interceptor Sewer (MIS) consists of a network of approximately 37 miles of interceptor sewers located within the Milwaukee metropolitan area. The ages of the sewers in the system extend up to 110 years. MMSD undertook a major study of the system in order to ascertain its current structural condition, identify operational challenges, and evaluate hydraulic performances. The objectives of the investigations were to identify the rehabilitation or other improvements required to achieve fifty-years of additional service life for the Central MIS and to optimize its performance over this period.

Document Type: Research Article


Publication date: January 1, 2004

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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