Project category

Energy

Location

Hull, QC

Value($)

N/D - N/A

Customer

Hull Energy LP

Year

2019-2020

Additional informations

Hull-2GS Hydroelectric Powerhouse - Upstream Rehabilitation Work (Civil Works)

Main Work Performed

• Construction of a cofferdam to isolate the Powerhouse water intake
• Partial demolition of concrete from the water intake
• Demolition and reconstruction of the auxiliary flood and ice spillway
• Injection and concrete repairs on the dam walls
• Demolition and replacement of the support structure of the water intake fragments gates
• Concrete repairs on the existing walls on the dam
• Sealing of the rock floor
• Replacement of the guides and beams of the auxiliary spillway
• Installation of a stone cofferdam and an "O-Pile" type core downstream

Special methods and technical features

• Precision demolition with a concrete milling machine "rock wheel"
• Work coordination with two other construction sites in operation at the same place and on the same Powerhouse