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Up-to-date news that's important to your business.
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 Plan and Profile |
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| 32 Miles of 72-Inch Pipe - Construction Underway! The City of Irving found itself in litigation with its partner, the North Texas Municipal Water District after the completion of Phase I of the Lake Chapman (Cooper) project. Phase I consisted of an intake structure, raw water pumping station, and approximated 34 miles of 84” pipe. This project ended at Lake Travis, with service to the City of Irving. The Wallace Group was retained to evaluate the Phase I project and develop scenarios and cost estimates for Phase II. We performed hydraulic analysis of the entire project to verify the ability of the system to provide adequate service to the City of Irving, and several scenarios for providing such service. Irving initially considered extending the pipeline directly to the Dallas Water Treatment Plant in Carrollton (Elm fork) down a state highway. The Wallace Group recommended a more easterly route in a more rural area. The project (32 miles of 72-inch pipe) is now under construction. The final alignment goes to Lake Lewisville with release through the outlet work to the intake structure on the Elm fork of the Trinity River for treatment at the Elm Fork Water Treatment Plant by the City of Dallas for delivery to Irving. The Wallace Group designed an 11-mile section with a cost of $14.5 million under the program manager of Montgomery Watson.
The facility is designed to deliver 65 MGD initially, and 125 MGD ultimately with another pump station. The City of Irving, by owning its own water rights and delivering the water for treatment by the City of Dallas, receives considerable savings in treated water cost.
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