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Rehabilitation of the Potomac Interceptor Between MH31 and MH30 Progressive Design-Build Contract

Publication Date
12/13/2018 06:10 AM EST
Closing Date
02/13/2019 09:00 AM EST
Issuing Organization
District of Columbia Water and Sewer Authority
Solicitation Number

Specifications include, but are not limited to: Assessments of the PI have resulted in this project to rehabilitate defective pipe segments between and adjacent to Manhole 31 and 30 in Fairfax County. Work is likely to include: • Maintenance of flow (35 to 95 MGD) during construction • Replacement of a 6-foot diameter, approximately 35 feet deep sewer manhole (MH-31). • Extension of the existing odor control system at Manhole 31 to serve the temporary bypass pumping locations during construction. • Renewal of approximately 150 lf of 78-inch Reinforced Concrete Pipe (RCP). • Replacement of approximately 200 lf of 54-inch RCP and the installation of an energy reducing device. • Renewal of approximately 200 lf of 54-inch RCP.

https://vendor.dcwater.com/solicitations/solicitation1799.cfm (opens in a new window)

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