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A “Simple” Sewer Separation Project

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Abstract:

The purpose of this paper is to review the basic principles of designing a sewer separation project, in addition to the challenges and lessons learned during this specific project, the CSO 059 Sewer Separation project in the City of Buffalo, New York. Storm sewer connections to the existing combined sewer were removed, where feasible, and re-directed to new storm sewer piping, while the existing combined sewer was left in place to be utilized as the sanitary sewer. The construction project included 1,300 m of new storm sewer (ranging from 305 mm to 762 mm in diameter), manholes, catch basins, sewer patrol point weir modifications, and water hydrant relocation. Overall, the CSO 059 Sewer Separation project has been very successful. The 1.12 million construction project was completed on schedule, with minimal issues. And since construction completion in 2011, there have been no recorded CSO events at the CSO 059 outfall.

Document Type: Research Article

DOI: https://doi.org/10.2175/193864712811709913

Publication date: 2012-01-01

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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 These proceedings are not peer reviewed.

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