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Practical guides June 17, 2026

CoSS training: what to understand before committing

Training is the gateway to the CoSS role. Here are the main points.

Training recognized by the CNESST

Theoretical health and safety coordinator training is offered by organizations recognized by the CNESST, including Collège Ahuntsic, which is mandated for this purpose. It prepares participants for the defined CoSS duties.

Admission requirements

Admission takes construction site experience and general health and safety prerequisites into account. The training organization sets the exact requirements.

After training

The certificate allows the holder to perform the role. The CNESST also makes a list of trained people available. For the pathway, see how to become a CoSS while staying grounded in field realities.

Frequently asked questions

Where can I take the training?

At organizations recognized by the CNESST, such as Collège Ahuntsic.

Official sources

Collège Ahuntsic — CoSS training. CNESST — CoSS role.

Join ACSSQ

Become a member to access our resources.

This article is part of ACSSQ’s series on the CoSS profession. See the association’s page.

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