9.10.18.

(1) Where access is provided through a firewall, the requirements in this Subsection shall apply to the floor areas on both sides of the firewall as if they were in the same building.

(1) Except as provided in Sentence (2), a fire alarm system shall be installed,

(a) in every building that contains more than 3 storeys, including storeys below the first storey,

(b) where the total occupant load exceeds 300, or

(c) when the occupant load for any major occupancy in Table 9.10.18.2. is exceeded.

(2) A fire alarm system is not required in a residential occupancy where an exit or public corridor serves not more than 4 suites or where each suite has direct access to an exterior exit facility leading to ground level.

(1) Where a fire alarm system is required, every public corridor in buildings of residential occupancy and every exit stair shaft shall be provided with smoke detectors.

(2) Except as provided in Sentence (3), buildings required to have a fire alarm system shall be equipped with heat detectors or smoke detectors in storage rooms, service rooms, elevator shafts, chutes, janitors closets and any other rooms where hazardous substances are intended to be used or stored.

(3) Except as required in Sentence (4), heat detectors and smoke detectors described in Sentence (2), are not required in dwelling units or in sprinklered buildings in which the sprinkler system is electrically supervised and equipped with a water flow alarm.

(4) Where a fire alarm system is required in a hotel, heat detectors shall be installed in every room in a suite and in every room not located in a suite in a floor area containing a hotel other than washrooms within a suite, saunas, refrigerated areas and swimming pools.

(1) Except for a recirculating air system serving not more than 1 dwelling unit, where a fire alarm system is required to be installed, every recirculating air handling system shall be designed to prevent the circulation of smoke upon a signal from a duct-type smoke detector where such system supplies more than one suite on the same floor or serves more than 1 storey.

(1) Except as provided in Sentence (2), where a vertical fire separation having a fire-resistance rating of at least 1 h separates a portion of a building from the remainder of the building and there are no openings through the fire separation other than those for piping, tubing, wiring and conduit, the requirements for fire alarm and detection systems is permitted to be applied to each portion so separated as if it were a separate building.

(2) The permission in Sentence (1) to consider separated portions of a building as separate buildings does not apply to service rooms and storage rooms.

(1) Fire alarm, fire detection and smoke detection devices and systems, and their installation, shall conform to Subsection 3.2.4.

(1) Except as required in Article 9.10.18.1., a fire alarm system is not required in a storage garage conforming to Article 3.2.2.83. provided there are no other occupancies in the building.

(1) If a fire alarm system is required in a building containing a hotel, a single stage fire alarm system shall be provided.