The Wuskwatim generating station is under construction with an in-service-date of Q4 2011. The development will be comprised of a 200-MW, three-unit hydroelectric generating station located on the Burntwood River at Taskinigup Falls.

It will have a rated head of 21 m and be comprised of a close-coupled intake powerhouse, a three-bay spillway and earth dams. The development will involve the flooding of less than 1/2 km² of land to create the forebay.

Scope of Services
KGS Acres, a Hatch affiliated company, is providing engineering services for the design and construction of the 200-MW Wuskwatim hydroelectric development.

KGS Acres’s scope of work includes:

• Preparation of designs, tender drawings and specifications for
  • Construction camp and site infrastructure
  • Civil works
  • Gates and hoists
  • Electrical and mechanical equipment
• Material listings for purchase of materials by the owner
• Review of fabricator’s drawings
• Assistance in scheduling and cost control
• Assistance during commissioning
• Preparation of operation and maintenance manuals
• Liaison during construction with review of site designs and advice on ongoing details
• Provision of construction management team staff

Detailed Characteristics

• Powerhouse containing three vertical shaft, fixed blade and propeller turbines rated at 70 MW under a net head of 21 m
• Turbine runners approximately 7 m in diameter
• Umbrella-type generators, each rated at 87.4 MVA at 0.85 power factor
• Powerhouse crane with a capacity of 240 Mg
• Nine fixed-roller vertical lift gates in three intake structures. Each gate is to be approximately 5 m wide by 12.8 m high and will be equipped with a wire rope hoist
• Three-bay spillway with vertical lift gates, each 9 m wide by 13 m high, with a total design discharge of 2650 m³/s
• Approximately 120 000 m³ of concrete in the spillway, intake, powerhouse and auxiliary structures
  • Excavation of 800 000 m³ of rock and 800 000 m³ of overburden
• Upstream channel improvements will be incorporated at the river’s outlet from Wuskwatim Lake
• Approximately 460,000 m³ of earth and rockfill for dams to contain the resevoir and control water during construction
• Construction camp to accommodate a workforce of approximately 800
• Construction of a 50-km long road for access to the site

Awards

• Award of Excellence and Keystone Award from Consulting Engineers of Manitoba, 2007