French hydro operator seeks dam reinforcement at 45-MW Seyssel hydro project

Hydropower utility Compagnie Nationale du Rhone (CNR) seeks bids to reinforce the dam of the 45-MW Seyssel hydroelectric project on France’s Rhone River. Bids are due March 18.

Built in 1951, the Seyssel hydro plant has three vertical Kaplan turbine-generators that generate an average of 185 gigawatt-hours. CNR owns 18 hydro plants on the Rhone ranging from 40 MW to 400 MW and totaling 2,937 MW.

CNR seeks rehabilitation and reinforcement of the dam on the downstream side including temporary water diversion, earthwork, a filter layer of small stones, a layer of heavy blocks, and related riprap. The work is to be performed between October 2013 and March 2016.

Tender documents may be obtained from the address below. Bidders must register on the Internet site of CNR parent Suez group at

Bids, in French, are due by 2 p.m. March 18. For information, contact Frederic Combier, Compagnie Nationale due Rhone, 2 rue Andre Bonin, 69004 Lyon, France; (33) 472006587; Fax: (33) 472106660; E-mail:

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