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

3.13.3.3.Service Rooms and Ancillary Spaces

(1) An ancillary space in a rapid transit station shall be separated from the remainder of the floor area by a fire separation having a fire-resistance rating not less than 1 h. (2) Except as provided in Sentence (3), a door opening from a service room onto a means of egress in a rapid transit station shall be located not less than 5 m from an escalator balustrade and from the top and bottom riser of a flight used as a means of egress from the rapid transit station. (3) The requirements in Sentence (2) do not apply where (a) the service room is sprinklered, or (b) there is a vestibule between the service room and the means of egress. (4) Where a door from a service room opens onto a means of egress less than 5 m wide (a) the service room shall be sprinklered, or (b) there shall be a vestibule between the service room and the means of egress.
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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.