3.4.6.13 — Self-Closing Devices

(1) Except as provided in Sentences 3.1.8.9. (1) and 3.1.8.9A. (3), a hold-open device is permitted to be used on a closure in a required fire separation, other than on an exit stair door in a building more than 3 storeys in building height and on a door for a vestibule required by Article 3.3.5.7., provided the device is designed to release the closure in conformance with this Article. (2) Except as provided in Sentences (5) and (6), where the building is provided with a fire alarm system, a hold-open device permitted by Sentence (1) shall release, (a) in a single-stage system, upon any signal from the fire alarm system, and (b) in a two-stage system, (i) upon any alert signal from the fire alarm system, or (ii) upon actuation of any adjacent smoke detectors. (3) Where the building is provided with a fire alarm system, a hold-open device permitted by Sentence (1) shall release upon a signal from a smoke detector connected to the fire alarm system and located as described in CAN/ULC-S524, “Installation of Fire Alarm Systems”, where the hold-open device is used on, (a) an exit door, (b) a door opening into a public corridor, (c) an egress door referred to in Sentence 3.4.2.4. (2), (d) a door serving an assembly, care, care and treatment, detention, or residential occupancy, (e) a door in a fire separation referred to in Clause 3.3.1.7. (1)(b) or in Sentence 3.3.3.5. (4) or 3.3.4.11. (4), or (f) a door required to function as part of a smoke control system. (4) Where the building is not provided with a fire alarm system, a hold-open device permitted by Sentence (1) shall release upon a signal from a smoke alarm located on either side of the fire separation at ceiling level within 1.5 m horizontally of the closure opening in the fire separation, where the hold-open device is used on closures described in Clauses (3)(a) to (e). (5) Where a hold-open device is used on closures other than those described in Sentences (3) and (4), it is permitted to be released upon actuation of a heat-actuated device. (6) A hold-open device used on a door located between a corridor used by the public and an adjacent sleeping room in a care and treatment occupancy need not release automatically as described in Sentence (2).