Project category

Energy

Location

Baie James, Qc

Value($)

52 000 000

Realisation mode

Fixed Price - Partnership with Hamel Construction Inc

Customer

SEBJ

Year

2007-2010

 

Additional informations

Construction of 24 dykes for the Eastmain-1-A Sarcelle-Rupert hydroelectric project

Main Work Performed

• Construction of the contractor area
• General deforestation
• Operation of gravel pits and moraine pits
• Production of backfill
• Drilling and blasting pit
• Drilling, blasting and excavation of C1 and C1A canals
• Construction of temporary roads
• Construction and dismantling of the temporary bridge on the Nemiscau River (Bailey Bridge)
• Installation and dismantling of the temporary bridge over the canal restoration
• Construction of cofferdams
• Excavation of overburden and of drainage ditch
• Foundations dewatering
• Drilling and curtain injection;
• Rock foundations treatment (cleaning, rock excavation, mortar, reshaping concrete)
• Lowering the upstream level lake of canal C1A
• Shotcrete under pressure
• Installation of materials and geotextiles
• Protection of embankments against freezing
• Method leveling cofferdams