US ARMY CORPS OF ENGINEERS, PORTLAND DISTRICT, PO BOX 2946, PORTLAND OR 97208-2946

C -- DESIGN/BUILD FOR ELK CREEK DAM SOL 021&&&-9704-0002 POC Christopher Nielsen (503) 326-6419 (Site Code DACW57) The Portland District, Corps of Engineers is seeking sources for a 2 phase design build procurement for the Elk Creek Project. The work will include providing a "fish passage corridor" through the Project. Elk Creek Project is located at river mile 1.7 above the confluence with the Rogue River, 26.5 miles north of Medford, Oregon. Construction on the project was stopped by court injunction in fiscal year 1987, with the dam at one-third its design height. Following a court of appeals decision in April 1995, the Corps of Engineers has entered into a two-phase plan of action for long term management of the project in its uncompleted state. The first phase of the plan is to provide fish passage through the project by partial removal of a section of the dam or spillway and appropriate routing and treatment of the stream above, below, and through the dam. Major Construction Features: Routing of the stream through the dam will require demolition of approximately 50,000 cy of RCC concrete and approximately 15,000 cy of conventional concrete. Routing of the stream and local grading will require approximately 500,000 cy of cut and fill and approximately 15,000 cy of rock excavation. The length of affected stream is approximately 4,000 feet. Bank protection may be required and may include as much as 50,000 cy of revetment. A stream flow training wall may be required and may include as much as 14,000 cy of revetment and core materials. Some structural, electrical, and mechanical may be required. Major Design Considerations: The routing and treatment of the stream will require hydrologic and geomorphic analysis with a fisheries oversight. The purpose is to provide a fish passage corridor in a stream that is designed to be geomorphically balanced as much as is reasonably possible immediately following construction. Much of this analysis has been conducted and more may be required for approval of the plans and specifications. Other conventional design will be necessary to provide demolition, rock excavation, earthwork, bank protection, and other features. The contractor will be required to acquire the appropriate permits for access and to conduct work in and near water. The in-water work period is June 15 through September 15. Some species of fish may be listed or proposed for listing as an endangered species. Interested firms should submit a company brochure and a one page letter of interest within 30 days of the publication of this notice. No personal presentations will be allowed at this time. Please direct all technical questions to Jeff Sedey at (503) 326-6129. (0111)

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