The Ontario Building Code | Welding and Cutting
3.3.1.24. Welding and Cutting
(1) Except as provided in Sentence (2), welding and cutting operations shall be located in a room,
(a) separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h, or
(b) protected by an automatic fire extinguishing system.
(2) Sentence (1) does not apply to an industrial occupancy where the welding and cutting operations do not present a fire or explosion hazard to adjacent areas.
3.3.2. Assembly Occupancy
In Plain Language
This clause addresses egress requirements for stages and backstage areas in assembly occupancies, ensuring performers and crew have adequate separate egress routes distinct from the audience's exits.
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.