Code Library › Volume 1 › Section 3.13 — Rapid Transit Stations
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.13.4.2.General Requirements

(1) Except as provided in Sentence (2), escalators conforming to the requirements of Sentences 3.13.4.5.(3) and 3.13.4.6.(1) shall be acceptable as part of a required means of egress in a rapid transit station. (2) Escalators forming part of a required means of egress shall not comprise more than one-half of the required egress capacity from any one level. (3) Horizontal exits conforming to Sentence (4) may provide all of the required egress capacity from a rapid transit station. (4) Horizontal exits to any one building shall not comprise more than one-half of the required egress capacity from any area within a rapid transit station. (5) A protected route shall be provided with emergency ventilation conforming to Subsection 3.13.7. (6) In an aboveground unenclosed station, the protected route is permitted to begin at the point of leaving the platform. (7) In an enclosed or underground station, the protection for the protected route shall consist of (a) a fire separation having a fire-resistance rating not less than 1 h, (b) construction having a fire-resistance rating not less than 1 h, or (c) wired glass assemblies conforming to MMAH Supplementary Standard SB-2, “Fire Performance Ratings.”
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Common questions about this part of the code

When does OBC Section 3.13 apply to rapid transit stations in Ontario?What are the egress requirements for transit station platforms in Ontario?What fire safety systems are required in rapid transit stations in Ontario?Do rapid transit stations in Ontario have to be accessible?

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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.