Corps plans bidding for lamprey passage in fish ladder at 980-MW McNary

McNary Dam

The U.S. Army Corps of Engineers plans to seek bids for a prototype lamprey entrance structure in a fish ladder at 980-MW McNary Dam on the Columbia River. Registration should be made immediately for a site visit planned for mid-July, the Corps said.

The Corps' Walla Walla District sought information in November on small businesses capable of installing a prototype lamprey entrance structure in a McNary fishway on the Oregon shore. The Corps also is taking bids June 25 to supply hydro generator condition monitoring equipment and software for the project.

The U.S. Forest Service seeks bids by July 1 to perform a fish habitat study for lamprey upstream of 11-MW Soda Springs Dam on Oregon's North Umpqua River.

The Corps announced that it plans to issue a solicitation to small businesses in early July for fabrication and installation of a prototype lamprey entrance structure in the Oregon shore fishway at McNary. The entrance structure is composed of modular aluminum devices that include a new entrance flume, two baffle boxes, and a trashrack. The contractor is to demolish and remove existing structures including stoplogs and is to remove then reinstall an access bridge and telescoping weirs and associated machinery.

The work is valued at between $500,000 and $1 million.

A pre-solicitation notice may be obtained from the Federal Business Opportunities Internet site,, by entering Solicitation No. W912EF13B0005 in the "Keyword/Solicitation #" box. A site visit is planned about two weeks after the solicitation is issued. However, the Corps said security clearance for any foreign nationals planning to attend requires four weeks, meaning such clearance should be requested immediately.

For information, contact Caroline B. Mueller, Contract Specialist, U.S. Army Corps of Engineers, Walla Walla District, CENWW-CT, 201 N. 3rd Ave., Walla Walla, WA 99362-1876; (1) 509-527-7225; E-mail:

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