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Multifaceted Trenchless Rehabilitation at the City of Middletown, Ohio WWTP

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This paper describes the application of innovative trenchless technologies to rehabilitate a 78-inch corrugated metal influent line and concrete diversion chamber at the Middletown, Ohio Wastewater Treatment Plant. This unique project utilized a combination of four different trenchless methods to solve a challenging environmental problem. The methods were cured-inplace pipe, chemical grout, spray-on epoxy coating, and CCTV inspection. It is currently among the largest diameter (78-inches) installations of cured-in-place pipe in the United States.

Document Type: Research Article


Publication date: January 1, 2002

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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 These proceedings are not peer reviewed.

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