- Construction cost
- 6.6 M$
- Duration
- 12 months
- Schedule
- February 2023 to January 2024
- Disciplines
- 10 trades
- Client
- City of Lévis
- Location
- 275, rue des Véroniques, Lévis
- Project type
- Reconstruction of the SN-G pumping station in the St-Nicolas sector
At a glance
Project description
The project mainly consists of the construction of a new pumping station located on rue des Véroniques in the St-Nicolas sector, water bypass work, the supply and installation of all piping, accessories and equipment, and the construction of a discharge pipe over approximately 850 meters. In addition to this work, the existing pumping station will be demolished, the system and equipment will be tested, commissioned and training delivered, as well as road repairs including curbs, sidewalks, landscaping, etc.
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Project challenges
- Pumping station cast in place, 15 meters deep
- Installation of a sheet pile box for ground support
- Installation of a Berlin wall to support the soil
- Lack of space on the site with the presence of the existing station
- Traffic and resident management
- Combination of sheet pile wall and Berlin wall (sand and silt over +/- 7 meters and shale-type rock over the rest of the excavation)
- Maintaining the service of the existing station with high flow to manage (+/- 475 liters/second). The current pumping station is demolished following the commissioning of the new pumping station
Services provided
- Construction
- Supply and installation
- Commissioning
Disciplines
Group division
Delivered with CWA Process Engineering
The process piping, the water bypass and the commissioning of this pumping station were carried out with CWA Process Engineering, the Groupe ALLEN division specialising in water infrastructure. One team therefore handled the structure, the architecture and all of the electromechanical equipment.
- Pumping station
- Process mechanics
- Force mains
- Instrumentation and control
- Municipal infrastructure
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