U.S. issues new spillway weirs tender for 980-MW McNary

The Corps of Engineers has issued a new request for proposals for temporary spillway weirs to be installed at 980-MW McNary Dam, on the Columbia River in Washington. Bids are due Nov. 17.

The solicitation is similar to one issued by the government in August, for which no award was made. (HNN 8/18/06) The newest solicitation calls for the supply and installation of two spillway weirs rather than the three sought earlier, and it contains new specifications and dates for work.

The Corps said it plans to award a firm fixed-price contract to construct temporary weirs that are to be installed within spillway bulkhead and gate slots. There are 22 spillway bays at the dam. The temporary weirs are intended to fit interchangeably into the spillway main and emergency gate slots.

The steel assemblies are to be inserted vertically into gate slots, forming a shaped weir for water to flow over the top, passing to the tailrace below the dam.

A site visit is planned for Nov. 7. Those planning to attend must call Donnette Filan at (1) 509-527-7068 by 3 p.m. Nov. 6.

For information on the solicitation, W912EF-07-B-0001, contact Lana Birdsell, Corps of Engineers, Walla Walla District, 201 N. Third Ave., Walla Walla, WA 99362-1876; (1) 509-527-7226; E-mail: jean.l.birdsell@nww01.usace.army.mil. The solicitation is posted on the Federal Technical Data Solutions (FedTeDS) system, at www.fedteds.gov. Prospective bidders must register on the Central Contractor Registration Internet site, www.ccr.gov.

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