Project category

Energy

Location

Baie-James, Qc

Value($)

89 000 000

Realisation mode

Partnership with Hamel Construction Inc

Customer

Hydro-Québec

Year

2009-2011

 

Additional informations

Concreting the La Sarcelle generating station of 150 MW, the water intake and related works

Main Work Performed

• Dismantling of the temporary bridget over the canal restoration
• Construction of cofferdams
• Lowering the upstream level lake of canal C1A
• Rock foundations treatment (cleaning, rock excavation, mortar, concrete, remodeling)
• Drilling and curtain injection
• Shotcrete under pressure
• Protection of embankments against freezing
• Construction of roads and permanent braces
• Road construction, platform and electric line of the telecommunications tower
• Installation and use of a dewatering system for the work zone
• Installation of off profile and reshaping concrete
• Drilling and grouting structural anchors and a curtain wall
• Installing primary anchors and other parts, supplied by the manufacturer of the bulb-turbine units, to be embedded in concrete
• Supplying and installing embedded pipe work and electrical conduits for the grounding system embedded in the concrete, sealing fins and fabricated metals
• Concreting forms, reinforcement and concreting of the production and service areas
• Supervision and installation of the superstructure
• Concreting decking slabs
• Supplying and installing prefabricated concrete panels for the upstream production area gates
• Supplying and installing the building envelope, including roofing, masonry, doors and windows, multi-leaf doors, etc.
• Concreting forms, reinforcement and concreting the water intake and diffusers
• Grouting the intake cones
• Installing and concreting the rails for the gantry crane
• Installing the steel structure for the downstream service bridge deck and concreting the decking slab
• Installing lintels, thresholds, stop log guard gate guides and the guides of the debris trap
• Second phase concreting of the lintels, thresholds and stop log guard gate, and the guides of the debris trapservice areas
• 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