News

Construction Starts: Trottier Space Institute Extension

External facade of Trottier Space Institute
Published: 28 July 2025

Please be advised that McGill University has mandated general contractor SUTERA INC. to carry out the following project: 20-069 Trottier Space Institute extension.

Description: The project involves the construction of a new five-story building connected by a footbridge to the existing Trottier Space Institute (TSI) at 3550 University Street. This expansion will enhance TSI’s teaching and research capacity. The extension will include a 42 seat multifunctional room, a Command Center, offices for principal investigators (PIs) and researchers, student research offices, conference rooms, a kitchen and lounge, and electromechanical support spaces, covering a total area of 1,095 gross square meters (11,786 square feet).

Construction start date: July 2025

Planned construction end date: March 2027

Work schedule: Monday to Friday: 6 am to 7 pm / Saturday: 8 am to 7 pm

Project Manager: andre.labelle [at] mcgill.ca (André Labelle)

Assistant Project Manager: marcela.fernandezpedrozo [at] mcgill.ca (Marcela Fernández Pedrozo)

Contact for building users: buildingdirector.physics [at] mcgill.ca (TSI Building Direction)

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Scope of work:

Exterior Work: Intensive rock excavation for the foundations and basement level. Construction of concrete structure five-story building. Installation of a rainwater management system, a green roof and site landscaping.

Interior Work: Connection to the existing 3550 University Street building via a new arial passage. Integration of the new building’s electricity and chilled water supply with Rutherford’s basement.

Impact & mitigation:

Pedestrian circulation and access to neighboring buildings won’t be significantly impacted.

Vehicles circulation on campus will be increased during the construction. Tomlinson Lane, Walbrae Place and University Street will be impacted or temporarily blocked (but not at the same time) during infrastructure services trenching and excavation. Traffic will be coordinated to reduce the impact during all the phases of the project.

Rock excavation will create noise and vibrations but will be monitored and controlled not to exceed the established maximum levels permitted.

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