Project category

Energy

Location

Grand-Remous, QC

Value($)

23 000 000

Customer

Hydro-Québec

Year

2004-2006

 

Additional informations

Penstock installation and concrete

Main Work Performed

• Demolition of concrete in wells 19-23 (light and heavy guides sections, sills and lintels)
• Demolition and floor concrete of the gate building
• Installation of trash racks and related equipment, including the guides installation, formwork and concreting and including underwater work (diving)
• Underwater concrete repair
• Drilling, implementation and injection of anchor bolts
• Waste water treatment
• Securing places for underwater inspection work
• Injection of embedding penstocks
• Injection bonding of upstream transition
• Hydraulic finish at concrete surfaces
• Installation of a floating barrier
• Second phase concreting of the turbine/alternator groups
• Rock removal before groups 1 to 5 draft tube valves (under water work).