Code Library › Volume 1 › Section 3.2 — Building Fire Safety
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.2.4.7.Signals to Fire Department

(1) A single-stage fire alarm system shall be designed to notify the fire department in conformance with Sentence (4) that an alarm signal has been initiated in (a) a building of a Group A occupancy having an occupant load more than 300, or (b) a retirement home. (2) A fire alarm system that includes waterflow indicating devices shall be designed to notify the fire department in conformance with Sentence (4), when an alarm is initiated. (3) A 2-stage fire alarm system shall be designed to notify the fire department, in conformance with Sentence (4), that an alert signal has been initiated. (4) Notification of the fire department, as required by Sentences (1) to (3), shall be provided in conformance with CAN/ULC-S561, “Standard for Installation and Services for Fire Signal Receiving Centres and Systems.” (See Note A- 3.2.4.7.(4)) (5) Where a single-stage fire alarm system is installed in a building that is not sprinklered throughout and Sentence (1) does not apply, a legible notice that is not easily removed shall be affixed to the wall near each manual station stating (a) that the fire department is to be notified in the event of a fire emergency, and (b) the emergency telephone number for the municipality or for the fire department. (See Note A-3.2.4.7.(5)(b)) (6) Helicopter landing areas on roofs shall be provided with telephone extensions or means to notify the fire department.
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Common questions about this part of the code

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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.