Canada utility seeks dam safety review of 55-MW McArthur Falls, 165-MW Seven Sisters

Canadian utility Manitoba Hydro seeks bids to perform dam safety reviews of the 55-MW McArthur Falls and 165-MW Seven Sisters hydroelectric projects in Manitoba. Bids are due Aug. 11.

McArthur Falls and Seven Sisters are among six Manitoba Hydro projects on the Winnipeg River. Manitoba Hydro took bids in June to perform core drilling on the spillway and concrete dam of Seven Sisters. It took bids in April for a broad range of civil engineering services to its dams, hydroelectric projects and other facilities in Manitoba.

Manitoba Hydro seeks bids for dam safety reviews of both projects including a failure modes and effects analysis for McArthur Falls only. Reviews are also to include associated structures per site layouts found in each station’s dam safety reference manual.

The solicitation may be obtained from the Canadian Public Tenders Internet site under

Bids are due by 4 p.m., Central time, Aug. 11. For information, contact Manitoba Hydro, Purchasing Dept., P.O. Box 1287 STN MAIN, Winnipeg, MB R3C 2Z1 Canada; Fax: (1) 204-360-6130; E-mail:; Internet:

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