The Ontario Building Code | Fire Extinguishing Systems
3.3.5.2. Fire Extinguishing Systems
(1) In addition to other requirements in this Division for the installation of automatic fire extinguishing systems, an appropriate fire extinguishing system shall be installed in every industrial occupancy floor area to provide protection if required by,
(a) the Fire Code made under the Fire Protection and Prevention Act, 1997, or
(b) the CCBFC NRCC 53303, "National Fire Code of Canada", in the absence of provisions referred to in Clause (a).
In Plain Language
Industrial occupancies may need an appropriate automatic fire extinguishing system installed if required by the Fire Code or other applicable requirements, layering suppression systems onto the general fire separation requirements elsewhere in the Code.
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.