| 9.10.18. |
Alarm and Detection Systems |
| 9.10.18.1. |
Access Provided through a Firewall
- 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.
|
| 9.10.18.2. |
Fire Alarm System Required
- Except as permitted in Sentences (3) and (4), a fire alarm system shall be installed in buildings in which a sprinkler system is installed.
- Except as provided in Sentence (5), a fire alarm system shall be installed
- in every building that contains more than 3 storeys, including storeys below the first storey,
- where the total occupant load exceeds 300, or
- when the occupant load for any major occupancy in Table 9.10.18.2. is exceeded.
Table 9.10.18.2.
Maximum Occupant Load for Buildings without Fire Alarm Systems
Forming Part of Sentence 9.10.18.2.(2)
- In buildings in which a sprinkler system has been installed in accordance with NFPA 13D, "Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes," a fire alarm system need not be installed.
- In buildings that contain fewer than 9 sprinklers conforming to Sentence 3.2.5.12.(4), a fire alarm system need not be installed.
- 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.
|
| 9.10.18.3. |
Design and Installation Requirements
- Except as stated in Sentence (2) and as required by this Subsection, where fire alarm, fire detection and smoke detection devices and systems are installed, these devices and systems and their installation shall conform to Subsection 3.2.4.
- The following Articles in Subsection 3.2.4. regarding fire alarm systems do not apply to Part 9 buildings: Articles 3.2.4.1., 3.2.4.10., 3.2.4.11., 3.2.4.12., 3.2.4.13. and 3.2.4.22.
|
| 9.10.18.4. |
Rooms and Spaces Requiring Heat Detectors or Smoke Detectors
- 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.
- Except as provided in Sentence (3), if a fire alarm system is required in a building that is not sprinklered, fire detectors shall be installed in the following spaces:
- storage rooms not within dwelling units,
- service rooms not within dwelling units,
- janitors' rooms
- rooms in which hazardous substances are to be used or stored (see Note A-3.3.1.2.(1)),
- elevator hoistways, chutes and dumbwaiter shafts, and
- laundry rooms in buildings of residential occupancy, but not those within dwelling units.
- 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.
|
| 9.10.18.5. |
Smoke Detectors in Recirculating Air-Handling Systems
- Except for a recirculating air system serving not more than one 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.
|
| 9.10.18.6. |
Portions of Buildings Considered as Separate Buildings
- Except as provided in Sentence (2), where a vertical fire separation having a fire-resistance rating of not less than 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 may be applied to each portion so separated as if it were a separate building.
- The permission in Sentence (1) to consider separated portions of a building as separate buildings does not apply to service rooms and storage rooms.
|
| 9.10.18.7. |
Central Vacuum Systems
- Central vacuum cleaning systems serving more than one suite or storey in buildings equipped with a fire alarm system shall be designed to shut down upon activation of the fire alarm system.
|
| 9.10.18.8. |
Open-Air Storage Garages
- A fire alarm system is not required in a storage garage conforming to Article 3.2.2.90. provided there are no other occupancies in the building.
|