St-Grégoire Ventilation Station
Project Complete
The St-Grégoire mechanical ventilation station project aims to modernize an essential infrastructure of Montreal’s metro. Carried out over 36 months, it includes excavation, concreting, and the installation of high-capacity fans. This station ensures emergency ventilation, summer comfort, and air renewal, integrating modern standards along with a public square.

The St-Grégoire Mechanical Ventilation Station project modernizes a key infrastructure of the Montreal metro. It stands out for the integration of modern standards, advanced acoustic insulation to minimize noise disturbances, and the creation of a public plaza. The old structure is partially preserved, ensuring a smooth transition between the existing infrastructure and the new facilities. This renewal enhances the network's performance while respecting the urban environment.

- City
- Montréal, Québec
- Construction type
- Underground infrastructure
- Exterior
Architectural concrete finish with acoustic screen
- Sustainable design
High-efficiency ventilation systems
- Sector
- Civil
- Work Type
- Civil & Infrastructure
- Construction method
- Design-bid-build
- Expertise
- Gestion de projet


Technical sheet
- Contract type
- Lump-sum contract
- Execution period
- 2020-2024
- Client
- STM
- Landscape architect
- STM
- Architecture
- STM
- Structural engineering
- STM
- Mechanical engineering
- STM
- Civil engineering
- STM
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We are an engineering and professional services company in Quebec. Our team of multidisciplinary experts works to create lasting impacts in the communities we serve. With a focus on innovation and integrity, we deliver high-quality projects.


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