Roofs of the Chute-du-Diable and Chute-à-la-Savane power plants

Roofs of the Chute-du-Diable and Chute-à-la-Savane power plants

Renovation of concrete roofs and renovation of concrete walls of the 250T gantry crane rails

2022-2023

Client :
Rio Tinto
Lieux :
L'Ascension (CCD) and Ste-Monique (CCS)
Work executed
  • Concrete demolition work
  • Installation of reinforcement and anchors
  • Formwork and concreting work
  • Installation of gantry crane rails
  • Installation of epoxy grout
  • Crack injection
  • Crack sealing work
  • Application of liquid bituminous membrane
  • Concrete slab sealing work
Constraints
  • Existing, aging facilities causing unforeseen events
  • Single access to the roof with a crane for materials and equipment (CCD)
  • Significant co-activity with the operation and third parties
  • Safety (site in operation)
  • Several technical products to be applied
  • High standard quality control
  • Environmental management (Péribonka River)