Code Library › Volume 1 › Section 9.10 — Fire Protection
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.10.10.7.Emergency Power Installation

(1) Where a generator intended to supply emergency power for lighting, fire safety and life safety systems is located in a building, it shall be located in a room that, (a) is separated from the remainder of the building by a fire separation with a fire-resistance rating not less than (i) 1 h, if the floor assembly is not required to have a fire-resistance rating of more than 1 h, and (ii) 2 h, if the floor assembly is required to have a fire-resistance rating of more than 1 h, and (b) contains only the generating set and equipment that is related to the emergency power supply system.
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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.