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The new Champlain Bridge corridor project is governed by the environmental obligations contained in the agreement between Signature on the Saint Lawrence and Infrastructure Canada.

The project includes a team of environment professionals responsible for ensuring compliance with the environmental obligations contained in the agreement. They will also collaborate with the new Champlain Bridge design and construction teams to make sure the environmental obligations are taken into account during project design and in establishing construction methods.

Within the project framework, there are many environmental requirements regarding water, surrounding wildlife, air and noise management, and green spaces. Numerous permits will be requested from Fisheries and Oceans Canada, Transport Canada, the City of Montreal and the affected boroughs to confirm compliance with these requirements.

Find more about our commitment in our environment and sustainable development policy and our sustainable procurement policy.


Aquatic fauna will receive special attention throughout this project. Fish passages will be installed at the west jetty (abutting L’Île-des-Sœurs) to ensure the spring migration of fish such as lake sturgeon, a species highly valued by indigenous peoples and commercial fishers. In addition, offset projects will be established for fish habitat; new spawning grounds will be set up along with rehabilitation of existing spawning sites. All these activities will be monitored for many years to ensure that they are effective and sustainable.

Also, at the start of each new construction activity, biologists will make sure to relocate brown snakes (a threatened species) outside the work zone and install barriers to keep them from returning to the site.

* A detailed list of the measures taken to protect the environment and the community throughout the project is available on the website of Infrastructure Canada.

Environmental obligations include the following aspects:

  • Complying with all environmental obligations outlined in the agreement between Infrastructure Canada and Signature on the Saint Lawrence based, among other things, on the 2013 environmental assessment produced by the Government of Canada;
  • Obtaining all authorizations and permits required from the federal, provincial and municipal authorities;
  • Obtaining ISO 14001 certification for the project;
  • Supervising and monitoring work in the field to ensure compliance with the authorization conditions, Infrastructure Canada environmental obligations and sound environmental practices;
  • Obtaining Bronze-level Envision rating (sustainable development certification from the Institute for Sustainable Infrastructure).

An environmental supervisory team is present in the field every day to ensure that the environmental impact mitigation measures established in the construction methods outlined are implemented and provide corrective measures, if necessary, to ensure their effectiveness. This team monitors water quality, air quality and noise, and suggests corrective measures when necessary.

* A detailed list of the measures taken to protect the environment and the community throughout the project is available on the website of Infrastructure Canada.

More information will be coming on air quality and noise management.

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