The Ontario Building Code | Fire Alarm and Detection System
3.2.8.8. Fire Alarm and Detection System
(1) A building containing an interconnected floor space shall be provided with,
(a) a fire alarm system and electrically supervised annunciator conforming to Subsection 3.2.4.,
(b) a system of smoke detectors located,
(i) on the ceiling of each storey in the vicinity of the openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings through floor assemblies described in Article 3.2.8.3., except within dwelling units, heat detectorsmay be installed instead of smoke detectors, and
(ii) as required for the activation of the smoke control system described in Sentences 3.2.8.9.(3), (4), (6) and (7), and
(c) facilities for transmitting a signal to the fire department in conformance with Article 3.2.4.8.
In Plain Language
This clause addresses glazing and other transparent barriers used at the edge of an interconnected floor space, setting fire-resistance or safety glazing requirements appropriate to the added smoke and fire exposure risk there.
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.