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CHAUDIERE HYDRO NORTH LP -- HULL-1GS POWERHOUSE REHABILITATION WORK

Project category

Energy

Location

Hull, QC

Value($)

N/D - N/A

Customer

Chaudière Hydro North LP

Year

2018-2019

 

Additional informations

Hull-1GS Powerhouse Rehabilitation Work (Civil Works)

Main Work Performed

  • Installation of a stone cofferdam and sheet piles upstream
  • Injection line installation with divers
  • Excavation
  • Concrete demolition
  • Mechanical and electrical equipment demolition
  • Sand blasting
  • Decontamination of the excavation material
  • Removal of the asbestos and lead (electrical cables, window caulking, pipe insulation, floor covering, paint on the walls)
  • Installation of the beams guides (first and second phase concrete)
  • Installation of the turbines built-in parts
  • Concreting
  • Shotcrete
  • Closed spaces
  • Electricity
  • Installation of a stone cofferdam and an O-Pile type core downstream
  • Painting

Special methods and technical features

  • First O-Pile type cofferdam in Eastern Canada
  • Underwater rock injection