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2004 – Grand-Mère hydroelectric dam – Repair of concrete structure – Saint-Maurice River
Demolition, asbestos removal and decontamination
Commissioned in 1915, the Grand-Mère power station is a hydroelectric plant and dam, with a capacity of 149 MW. → For two seasons, we had 60 full-time employees and a team of divers on the project. We had to fabricate custom caissons to dewater and repair the walls below water level in addition to erecting a barge and tug system to install the systems on both straight walls and round piers. It was quite a challenge!