Deep Tunnels for Sewage Storage and Conveyance: Lessons and Opportunities
Abstract:Over the past 30 years, communities in North America constructed deep tunnel conveyance and storage systems to help control wet weather overflows from combined sewers. This paper summarizes lessons learned by operators of several of these systems, emphasizing the design features which enhance operation and provide opportunities for improvement. The paper builds on the information contained in the manual, Combined Sewer Overflow Control (EPA 1993). That manual documents deep sewage conveyance and storage tunnels as an alternative technology, setting forth several principles for their design and operation. This paper interprets those principles in light of the experience from the utilities that have operated tunnel systems for several years.
Document Type: Research Article
Publication date: 2004-01-01
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