BC Hydro begins gate upgrades at three Canada projects

BC Hydro mobilized crews July 26 to begin an upgrade program for the first of nine aging spillway gates at three Campbell River hydroelectric projects on Vancouver Island, British Columbia.

The two-year, C$11 million (US$9.7 million) program began with a single gate at 120-MW John Hart Dam. John Hart, and the other two projects in the program, 54-MW Ladore, and 67.5-MW Strathcona, each have three spillway gates. The dams are 50 to 60 years old.

Work on the first John Hart gate is to be completed in October. The eight other gates will be upgraded from April to October 2007, when inflows are at their lowest, although electrical and protection and control work is to begin in late 2006.

Brymark Installation of Vancouver and subcontractors Vicar Electric and T-Mar of Campbell River, are performing 2006 work.

All the mechanics and supporting equipment for the gates’ up-and-down track systems are to be upgraded for better efficiencies and long-term use, John Hart Acting Plant Manager Sandy Reid said. BC Hydro also plans to install diesel generators at each dam to provide a secondary power supply.

Tendering possible for 2007 gate work

BC Hydro Project Manager W.H. Chung said work on the first gate would help the utility plan the following year’s work by determining: condition of the equipment, how long the work will take, and how many crews will be required.

Utility spokesman Steven Watson said a new tender could be issued for the 2007 work. BC Hydro publishes its tenders on the BC Bid Internet site, www.bcbid.gov.bc.ca. They can be obtained by browsing for bid opportunities and choosing BC Hydro and Power Authority under Browse Opportunities by Organization.


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