The Ontario Building Code | Smoke Detectors
9.10.21.7. Smoke detectors
(1) Except in dwelling units, corridors providing access to exit from sleeping rooms in every building in a camp for housing of workers with sleeping accommodation for more than 10 persons shall have a smoke detector connected to the building alarm system.
In Plain Language
Smoke detectors are required in this occupancy or configuration as set out in this article, providing early warning appropriate to the specific risks involved.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.