PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.3.1.3.Means of Egress

(1) Access to exit within floor areas shall conform to Subsections 3.3.2. to 3.3.5., in addition to the requirements of this Subsection. (2) If a podium, terrace, platform or contained open space is provided, egress requirements shall conform to the appropriate requirements of Sentence 3.3.1.5.(1) for rooms and suites. (3) Means of egress shall be provided from every roof that is intended for occupancy, and from every podium, terrace, platform or contained open space. (4) At least two separate means of egress shall be provided from a roof, used or intended for an occupant load more than 60, to stairs designed in conformance with the requirements regarding exit stairs stated in Section 3.4. (5) A rooftop enclosure shall be provided with an access to exit that leads to an exit (a) at the roof level, or (b) on the storey immediately below the roof. (6) A rooftop enclosure which is more than 200 m2 in area shall be provided with at least 2 means of egress. (7) Two points of egress shall be provided for a service space referred to in Sentence 3.2.1.1.(8) if (a) the area is more than 200 m2, or (b) the travel distance measured from any point in the service space to a point of egress is more than 25 m. (8) Except as required by Sentence 3.3.4.4.(8) and permitted by Sentences 3.3.4.4.(5) and (6), each suite in a floor area that contains more than one suite shall have (a) an exterior exit doorway, or (b) a doorway, (i) into a public corridor, or (ii) to an exterior passageway. (9) Except as permitted by this Section and by Sentence 3.4.2.1.(2), at the point where a doorway referred to in Sentence (8) opens onto a public corridor or exterior passageway, it shall be possible to go in opposite directions to each of 2 separate exits. (10) Means of egress from a roof for personnel servicing roof top equipment or for a below ground service room that is not normally occupied, is permitted to be provided by stairways or fixed ladders.

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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.