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HYDROELECTRIC STATION - UMBATA FALLS

Project category

Energy

Location

Marathon, ON

Value($)

26 000 000

Realisation mode

Turnkey

Customer

Umbata Falls Limited Partnership, Innergex √Čnergie renouvelable inc.

Year

2005-2008

In collaboration with Cress Contracting et Pic River Development Corporation
 

Additional informations

Construction of a 23 megawatts hydroelectric generating station on the White River, a tributary of Lake Superior

Main Work Performed

  • Intake and relief canal
  • Dam
  • Water intake including gates and trash racks
  • Tunnel, penstock and bifurcation
  • Draft tube and gates
  • Power station, second phase concreting with turbines, intake valves, building, overhead crane and ventilation
  • Construction of a 22 km access road
  • Construction of the transformer station

Special Features of the Work and Methods Used

  • Re-use of excavation material
  • Crushing and sieving of aggregate on site
  • Construction of a 22 km access road taking environmental requirements into consideration
  • Calculating water catchment areas for drainage and stream crossings
  • Conception and integrating of the generating units to the scale of the generating station while starting the excavation work
  • Portable batch plant operating on site; Drilling and blasting of bedrock