U.S. sets industry day on dam safety work at 135-MW Center Hill Dam


The U.S. Army Corps of Engineers has issued draft technical plans and scheduled an industry day about a proposed roller-compacted-concrete berm to reinforce an earthen saddle dam at 135-MW Center Hill Dam in Tennessee. Registration is due Dec. 12 for the Dec. 16 industry day and site visit.

The Corps' Nashville District issued a request for information in 2013 about contractors capable of constructing the reinforcing berm at Center Hill in DeKalb County, Tenn. The district also awarded a contract to Terracon Consultants Inc. for geotechnical engineering services at Center Hill and at 270-MW Wolf Creek Dam in Kentucky.  

The Corps also has been refurbishing generating units at Center Hill. Corps officials reviewed a Voith Hydro scale model turbine in October.  

The Nashville District plans to seek bids to construct the RCC berm at a water-retaining saddle dam 1,500 feet from Center Hill's main dam. Work is to include blasting and excavation of foundation rock, grouting, and construction of the RCC berm immediately downstream of the saddle dam. It would include excavation of about 50,000 cubic yards of rock up to 40 feet deep. The RCC berm would be about 100 feet high and 1,000 feet long with about 130,000 cubic yards of concrete.

The work is valued at $25 million to $100 million.

The Corps has scheduled an industry day and site visit for 10 a.m., Central Standard Time, Dec. 16 at the Center Hill Resource Manager's Shop Conference Room. Registration by e-mail is due to the address below by 4 p.m. Dec. 12.

A notice of the industry day may be obtained from the Federal Business Opportunities Internet site, fbo.gov, by entering solicitation No. W912P514R0003 in the "Keyword/Solicitation #" box.

For information, contact Heather Turner, U.S. Army Corps of Engineers, Nashville District, P.O. Box 1070, 801 Broad St., Nashville, TN 37202-1070; (1) 615-736-7939; E-mail: heather.d.turner@usace.army.mil.

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