Project category

Energy

Location

Hull, QC

Value($)

N/D - N/A

Customer

Chaudière Hydro North LP

Year

2018-2021

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