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

3.10.2.3.Structural Fire Protection

(1) Except as provided in Sentence 3.10.4.2.(1), the requirements in Subsections 3.2.1. and 3.2.2. shall apply. (2) The first storey shall be subdivided into areas not more than 500 m2 by a masonry or reinforced concrete fire separation having a fire-resistance rating not less than 1 h, or it shall be sprinklered.

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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.