The Ontario Building Code | Sprinklers in Lieu of Fire Detectors
3.2.4.16. Sprinklers in Lieu of Fire detectors
(1) Fire detectorsrequired by Article 3.2.4.11. and heat detectorsrequired by Sentence 3.2.4.12.(2) need not be provided within a floor area if the floor areais sprinklered and the sprinkler system is electrically supervised in conformance with Sentence 3.2.4.10.(3).
In Plain Language
This clause addresses fire alarm system requirements specific to buildings containing a Group B occupancy (care, treatment, or detention), given the added evacuation challenges in facilities housing people who may need assistance.
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.