Multifaceted Trenchless Rehabilitation at the Middletown, Ohio WWTP

by Lori Jackson,
Sean FitzGerald,

Document Type: Proceeding Paper

Part of: Pipelines 2002: Beneath Our Feet: Challenges and Solutions


This paper describes the multiple trenchless technologies that were evaluated and the ones that were applied to the rehabilitation of a 78la diameter corrugated metal influent line and concrete diversion chamber at the Middletown, Ohio Wastewater Treatment Plant. After evaluation, the construction of this unique project included a combination of four different trenchless methods to solve a challenging environmental problem: cured-in-place pipe, chemical grout, spray-on epoxy coating, and CCTV inspection. This cured-in-place line is currently among the largest diameter (78-inches) installations of cured-in-place pipe in the United States.

Subject Headings: Trenchless technology | Wastewater treatment plants | Rehabilitation | Curing | Pipes | Construction methods | Chemical grouting | United States | Ohio

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