3.2.7.

(1) An exit, a public corridor, a corridor providing access to exit for the public, a corridor serving patients or residents in a Group B, Division 2 or Division 3 occupancy, a corridor serving classrooms, an electrical equipment room, a transformer vault and a hoistway pit shall be equipped to provide illumination to an average level not less than 50 lx at floor or tread level and at angles and intersections at changes of level where there are stairs or ramps.

(2) Rooms and spaces used by the public shall be illuminated as described in Article 9.34.2.7.

(3) Lighting outlets in a building of residential occupancy shall be provided in conformance with Subsection 9.34.2.

(4) Elevator machine rooms shall be equipped to provide illumination to an average level of not less than 100 lx at floor level.

(5) Every place of assembly intended for the viewing of motion pictures or the performing arts, shall be equipped to provide an average level of illumination at floor level in the aisles of not less than 2 lx during the viewing.

(6) Every area where food is intended to be processed, prepared or manufactured and where equipment or utensils are intended to be cleaned shall be equipped to provide illumination to a level of not less than 500 lx measured at the floor level.

(7) Every storage room, dressing room, sanitary facility, service area and corridor serving the areas in Sentence (6) shall be equipped to provide illumination to a level of not less than 300 lx measured at the floor level.

(1) A recessed lighting fixture shall not be located in an insulated ceiling unless the fixture is designed for this type of installation.

(1) Emergency lighting shall be provided to an average level of illumination not less than 10 lx at floor or tread level in,

(a) exits,

(b) principal routes providing access to exit in an open floor area and in service rooms,

(c) corridors used by the public,

(d) corridors serving patients’ or residents’ sleeping rooms in a Group B, Division 2 or Division 3 occupancy,

(e) corridors serving classrooms,

(f) underground walkways,

(g) public corridors,

(h) floor areas or parts of them where the public may congregate in,

(i) Group A, Division 1 occupancies, or

(ii) Group A, Division 2 and 3 occupancies having an occupant load of 60 or more,

(i) floor areas or parts of them in day care centres where persons are cared for,

(j) food preparation areas in commercial kitchens,

(k) principal routes providing access to exit in a floor area that is not subdivided into rooms or suites of rooms served by corridors in a business and personal services occupancy, a mercantile occupancy or an industrial occupancy, and

(l) internal corridors or aisles serving as principal routes to exits in a business and personal services occupancy, a mercantile occupancy or an industrial occupancy that is subdivided into rooms or suites of rooms, and is not served by a public corridor.

(2) Emergency lighting to provide an average level of illumination of not less than 10 lx at floor or catwalk level shall be included,

(a) in a service space referred to in Sentence 3.2.1.1.(9), and

(b) on a shelf and rack storage system referred to in Sentence 3.16.1.4.(2).

(3) The minimum value of the illumination required by Sentences (1) and (2) shall be not less than 1 lx.

(4) In addition to the requirements of Sentences (1) to (3), the installation of battery-operated emergency lighting in health care facilities shall conform to the appropriate requirements of CSA Z32, “Electrical Safety and Essential Electrical Systems in Health Care Facilities”.

(1) An emergency power supply shall be,

(a) provided to maintain the emergency lighting required by this Subsection from a power source such as batteries or generators that will continue to supply power in the event that the regular power supply to the building is interrupted, and

(b) so designed and installed that upon failure of the regular power it will assume the electrical load automatically for a period of,

(i) 2 h for a building within the scope of Subsection 3.2.6.v1,

(ii) 1 h for a building of Group B major occupancy classification that is not within the scope of Subsection 3.2.6.v1, and

(iii) 30 min for a building of any other occupancy.

(2) If self-contained emergency lighting units are used, they shall conform to CSA C22.2 No. 141, “Unit Equipment for Emergency Lighting”.

(1) Except as required by Articles 3.2.7.6. and 3.2.7.7., an emergency electrical power system shall be installed in conformance with CSA C282, “Emergency Electrical Power Supply for Buildings”.

(1) Except as required by Article 3.2.7.7., an emergency electrical power system for emergency equipment required by this Part for health care facilities shall be installed in conformance with CSA Z32, “Electrical Safety and Essential Electrical Systems in Health Care Facilities”.

(1) If a liquid or gas fuel-fired engine or turbine for an emergency electric power supply is dependent on a fuel supply from outside the building, the fuel supply shall be provided with a suitably-identified separate shut-off valve outside the building.

(2) Where pipes for exhaust gases from emergency power systems penetrate required fire separations, they shall be enclosed in a separate service space having a fire-resistance rating equal to that of the penetrated floor assembly, but not less than 45 min.

(1) Fire alarm systems, including those incorporating a voice communication system, shall be provided with an emergency power supply conforming to Sentences (2) to (4).

(2) The emergency power supply required by Sentence (1) shall be supplied from,

(a) a generator,

(b) batteries, or

(c) a combination of the items described in Clauses (a) and (b).

(3) The emergency power supply required by Sentence (1) shall be capable of providing,

(a) supervisory power for not less than 24 h, and

(b) immediately following, emergency power under full load for not less than,

(i) 2 h for a building within the scope of Subsection 3.2.6.v1,

(ii) 1 h for a building classified as Group B major occupancy that is not within the scope of Subsection 3.2.6.v1,

(iii) 5 min for a building not required to be equipped with an annunciator, and

(iv) 30 min for any other building.

(4) The emergency power supply required by Sentence (1) shall be designed so that, in the event of a failure of the normal power source, there is an immediate automatic transfer to emergency power with no loss of information.

(1) An emergency power supply capable of operating under a full load for not less than 2 h shall be provided by an emergency generator for,

(a) every elevator serving storeys above the first storey in a building that is more than 36 m high measured between grade and the floor level of the top storey and every elevator for fire fighters in conformance with Sentence (2),

(b) water supply for fire fighting in conformance with Article 3.2.5.7., if the supply is dependent on electrical power supplied to the building, and the building is within the scope of Subsection 3.2.6.v1,

(c) fans and other electrical equipment that are installed to maintain the air quality specified in Article 3.2.6.2.v1, and

(d) fans required for venting by Article 3.2.6.10.v1

(2) Except as permitted by Sentence (3), the emergency power supply for elevators required by Clause (1)(a) shall be capable of operating all elevators for fire fighters plus one additional elevator simultaneously.

(3) Sentence (2) does not apply if the time to recall all elevators under emergency power supply is not more than 5 min, each from its most remote storey to,

(a) the storey containing the entrance for fire fighter access referred to in Articles 3.2.5.4 and 3.2.5.5., or

(b) to a transfer lobby.

(4) Except as provided by Sentence (5), an emergency power supply capable of operating under a full load for not less than 30 min shall be provided by emergency generator for water supply for fire fighting in conformance with Article 3.2.5.7., if the supply is dependent on electrical power supplied to the building, and the building is not within the scope of Subsection 3.2.6.v1

(5) Sentence (4) does not apply to the water supply for a standpipe system.

(1) Electrical conductors that are used in conjunction with fire alarm systems and with emergency equipment described in Articles 3.2.6.2. to 3.2.6.8., and Sentences 3.3.3.6.(1) and 3.3.3.7.(4) shall conform to Sentences (2) to (8).

(2) Except as permitted by Sentences (6) to (8), electrical conductors referred to in Sentence (1) shall conform to ULC-S139, “Fire Test for Evaluation of Integrity of Electrical Cables”, including hose stream application, to provide a circuit integrity rating of not less than 1 h.

(3) The electrical conductors referred to in Sentence (2) are those that extend from the source of emergency power to,

(a) the equipment served, or

(b) the distribution equipment supplying power to the equipment served if both are in the same room.

(4) If a fire alarm transponder or annunciator is connected to, but located in, a different fire compartment than the central processing unit or another transponder, all wiring between the transponder or annunciator and the central processing unit or other transponder shall be protected against exposure to fire in accordance with Sentence (2).

(5) If a panelboard supplies power to emergency lighting, the power supply conductors to the panelboard shall be protected against exposure to fire in accordance with Sentence (2).

(6) Electrical conductors located in a service space that contains no other combustible material and is separated from the remainder of the building by a fire separation that has a fire-resistance rating not less than 1 h need not conform to Sentence (2).

(7) Fire alarm system branch circuits within a storey that connect transponders and individual devices need not conform to Sentence (2).

(8) Wiring from a panelboard referred to in Sentence (5) to emergency lighting units in the same storey need not conform to Sentence (2).