2.2.3.1.Determination of Requirement for a Fire Alarm System

(1) A fire alarm system complying with Sentence (2) shall be installed in a building that is not sprinklered throughout
     and that
     (a) contains a Group G, Division 1 major occupancy with an occupant load more than 25, or
     (b) contains a Group G, Division 2 or 3 major occupancy
             (i) with an occupant load more than 150,
            (ii) in a building more than 1 storey in building height, or
           (iii) in a building with a basement used for a purpose other than the housing of service equipment.

     (2) Except as otherwise provided in this Section, the fire alarm system required by Sentence (1) shall comply with
     Articles 3.2.4.2., 3.2.4.4., 3.2.4.5. and 3.2.4.17. and Sentences 3.2.4.9.(1) and (4).

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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.