| 3.6.2. |
Service Rooms |
| 3.6.2.1. |
Fire Separations around Service Rooms
- Except as permitted by Sentences (2), (8), (9) and (10), fuel-fired appliances shall be installed in service rooms separated from the remainder of the building by fire separations having a fire-resistance rating not less than 1 h.
- Except as required by Sentence (3), a fuel-fired appliance that serves only one room or suite is not required to be installed in a service room separated from the remainder of the building.
- A solid-fuel-burning appliance shall not be located in a repair garage, a storage garage, or any other location where it could be exposed to flammable vapours or gases, unless
- it is enclosed in a service room that is separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h,
- it is supplied with combustion air directly from outside the building, and
- the heat that it generates is supplied indirectly to the space served by means of ducts or piping.
- A service room containing an incinerator shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 2 h.
- Equipment that uses a liquid having a flash point below 93.3°C shall be installed in a service room separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h.
- Electrical equipment that is required to be located in a service room according to CSA C22.1, "Canadian Electrical Code, Part I," shall be installed in a service room separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h.
- Except as permitted by Sentence (8), in a storey that is not sprinklered throughout, a service room that contains service equipment other than that addressed by Sentences (1) to (6) shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h.
- Where a service room contains a limited quantity of service equipment, and the service equipment neither constitutes a fire hazard nor is essential to the operation of fire safety systems in the building, the requirements for a fire separation shall not apply.
- A fire separation is not required between a fireplace and the space it serves.
- A fire separation is not required between a roof-top appliance and the building it serves.
|
| 3.6.2.2. |
Service Rooms under Exits
- A service room containing service equipment subject to possible explosion, such as boilers operating in excess of 100 kPa (gauge) and some types of refrigerating machinery and transformers, shall not be located directly under a required exit.
|
| 3.6.2.3. |
Service Equipment
- A service room containing space heating, space cooling and service water heating appliances is permitted to contain other service equipment such as electrical service equipment.
|
| 3.6.2.4. |
Incinerator Rooms
- A service room containing an incinerator shall not contain other fuel-fired appliances.
|
| 3.6.2.5. |
Combustible Refuse Storage
- Except as required by Sentence 3.6.3.3.(9), a room for the storage of combustible refuse shall be
- separated from the remainder of the building by a fire separation with a fire-resistance rating not less than 1 h, and
- sprinklered. (See Note A-3.6.2.5.(1).)
|
| 3.6.2.6. |
Door Swing for Service Rooms
- A swing-type door from a service room containing a boiler or incinerator shall swing outward from the room, except that the door shall swing inward if the door opens onto a corridor or any room used for an assembly occupancy. (See also Sentence 3.4.4.4.(7).)
|
| 3.6.2.7. |
Electrical Equipment Vaults
- An electrical equipment vault shall conform to Sentences (2) to (8) if it is required by
- provincial or territorial regulations or municipal bylaws, or
- CSA C22.1, "Canadian Electrical Code, Part I," in the absence of the regulations or bylaws referred to in Clause (a).
- An electrical equipment vault referred to in Sentence (1) shall be separated from the remainder of the building by a fire separation of solid masonry or concrete construction having a fire-resistance rating not less than
- 3 h if the vault is not protected by an automatic fire extinguishing system, or
- 2 h if the vault is protected by an automatic fire extinguishing system.
- If a building is sprinklered throughout, an electrical equipment vault referred to in Sentence (1) need not be sprinklered provided
- the vault is designed for no purpose other than to contain the electrical equipment, and
- the vault contains a smoke detector which will actuate the building fire alarm system in the event of a fire in the vault.
- Only pipes or ducts necessary for fire protection or the proper operation of the electrical installation shall penetrate the fire separation referred to in Sentence (2).
- Explosion-relief devices and vents or other protective measures conforming to Sentence 3.3.1.20.(3) shall be provided for an electrical equipment vault referred to in Sentence (1) that contains dielectric-liquid-filled electrical equipment. (See Note A-3.6.2.7.(5).)
- An electrical equipment vault referred to in Sentence (1) shall be provided with a ventilation system designed in conformance with Part 6 to prevent the ambient temperature in the vault from exceeding 40°C.
- The ventilation system required by Sentence (6) shall be separate from the system for the remainder of the building and shall be designed so that it is automatically shut off in the event of a fire in the vault.
- The floor of an electrical equipment vault referred to in Sentence (1) shall be liquid tight and surrounded by liquid tight walls and sills of sufficient height to confine within the vault all of the liquid from the largest item of electrical equipment, but to a height of not less than 100 mm.
- Electrical equipment vaults shall be secured against unauthorized entry.
|
| 3.6.2.8. |
Emergency Power Installations
- Where a generator intended to supply emergency power for lighting, fire safety and life safety systems is located in a building, except where such building is used solely for the purpose of housing the generator and its ancillary equipment, it shall be located in a room that
- is separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 2 h, and
- contains only the generating set and equipment related to the emergency power supply system.
|