Print Version )3.1.5. Subsection 3.1.5. deals with buildings that are required to be of noncombustible construction and the combustible elements that are allowed to be used in the construction of these buildings. This information can be found in the current Building Code and is therefore not reproduced in its entirety in this Appendix.
3.1.5.3.(2) Combustible roof sheathing and roof sheathing supports installed above a concrete deck are permitted on a building required to be of noncombustible construction provided
(a) the concrete deck is not less than 50 mm
thick,
(b) the height of the roof space above the deck is not more than 1 m,
(c) the roof space is divided into compartments by fire stops in conformance
with Article 3.1.11.5.,
(d) openings through the concrete deck other than noncombustible roof drains and
plumbing piping are protected by masonry or concrete shafts constructed as
fire separations having a
fire-resistance of not less than 1 h and extending from the concrete deck
to not less than 150 mm above the adjacent roof sheathing,
(e) the perimeter of the roof is protected by a
noncombustible parapet extending from the concrete deck to not less than
150 mm above the adjacent sheathing, and
(f) except as permitted in Clause (d), the roof space does not contain any
building services.
3.1.5.6. Wood nailing elements attached directly to or set into a continuous noncombustible backing for the attaching of interior finishes, are permitted in a building required to be of noncombustible construction provided the concealed space created by the wood elements is not more than 50 mm thick.
3.1.5.19. The technical requirements of this Article pertain to wires in computer room floors, and can be found in the current edition of the Building Code.
3.1.7. The technical requirements of Subsection 3.1.7, "Fire-Resistance Ratings", are essentially identical to the requirements contained in Subsection 3.1.5. of Appendix A, "1986 Building Code References".
3.1.8.1. The technical requirements of Article 3.1.8.1. are essentially identical to the requirements contained in Article 3.1.6.1. of Appendix A, "1986 Building Code References".
3.1.8.2. Combustible construction that abuts on or is supported by a noncombustible fire separation shall be constructed so that its collapse under fire conditions will not cause the collapse of the fire separation.
3.1.8.3. The technical requirements of Article 3.1.8.3. are essentially identical to the requirements contained in Sentences 3.1.6.3.(1) and (3) of Appendix A, "1986 Building Code References".
3.1.8.4.(2) Except as provided in Article 3.1.8.10., the fire-protection rating of closures shall conform to Table 3.1.8.A. for the required grade of fire separation.
Table 3.1.8.A.
Forming Part of Sentence 3.1.8.4.(2)
|
Fire-Resistance Rating of Fire Separation, h |
Required
Fire- Protection Rating of Closure, h |
| 3/4 1 1½ 2 3 4 |
3/4 3/4 1 1½ 2 3 |
| Column 1 | 2 |
3.1.8.7.(1) Except as permitted by Article
3.1.8.8., a duct that connects 2 fire
compartments or that penetrates an assembly
required to be a fire separation shall be
equipped with a fire damper.
(2) A fire damper required by Sentence (1) or a fire damper used as a closure in a fire separation shall have a fire-protection rating conforming to Sentence 3.1.8.4.(2).
3.1.8.8. This Article deals with the waiving of fire dampers in fire separations. Comparable requirements can be found in the current Building Code.
3.1.8.10.(1) Except as provided in Sentence (4), a door assembly having a fire-protection rating of not less than 20 min is permitted to be used as a closure in
|
(a) a fire separation not required to have a fire-resistance rating more than 1 h and located between |
|
(i) a public corridor and a
suite,
(ii) a corridor and adjacent sleeping rooms, or (iii) a corridor and adjacent classrooms, offices and libraries in Group A, Division 2 major occupancies, and |
| (b)
a fire separation
not required to have a fire-resistance rating more than 45 min,
located in a building not more than 3 storeys in
building height.
|
(2) The requirements for noncombustible sills and combustible floor coverings in NFPA 80, "Fire Doors and Windows" do not apply to doors described in Sentence (1).
(3) Doors described in Sentence (1) shall have a clearance of not more than a 6 mm at the bottom and not more than 3 mm at the sides and top.
(4) This Sentence applies to elementary and secondary schools only.
3.1.8.11.(1) Except as provided in Sentences (2) to (5), every door in a fire separation shall be equipped with a self-closing device designed to return the door to the closed position after each use.
(2) Self-closing devices need not be provided on doors to freight elevators and dumbwaiters.
(3) (This requirement applies to classrooms only.)
(4) In a building that is not more than 3 storeys in building height, except for doors located in a dead-end portion of a corridor or in a corridor which serves a hotel, self-closing devices need not be provided on doors that are located between a public corridor and adjacent rooms or suites of Group D occupancy.
(5) (This requirement applies to institutional occupancies only.)
3.1.8.13. Except as permitted in Subsection 3.3.3. (Note: Subsection 3.3.3. is relevant only to institutional occupancies), every swing-type door in a fire separation shall be equipped with a positive latching mechanism designed to hold the door in the closed position after each use.
3.1.8.14. The technical requirements of Article 3.1.8.14. are essentially identical to the requirements contained in Sentences 3.1.6.10 off Appendix A, "1986 Building Code References".
3.1.11.5.(1) Every unsprinklered concealed space within a ceiling or roof assembly of combustible construction, including attic spaces, shall be separated by construction conforming to Article 3.1.11.7. into compartments not more than
(a) 600 m² in area with no dimension more
than 60 m where the exposed
construction materials within the space
have a flame-spread rating of not more
than 25, and
(b) 300 m² in area with no dimension more
than 20 m where the exposed
construction materials within the space
have a flame-spread rating of more than
25.
(2) Every concealed space in exterior cornices, mansard style roofs, balconies and canopies in which the exposed construction materials within the space have a flame-spread rating of more than 25 shall be separated by construction conforming to Article 3.1.11.7.
(a) at the points where such concealed
spaces extend across the ends of
required vertical fire separations, and
(b) so that the maximum dimension in any
concealed space is not more than 20 m.
3.1.11.7.(1) Except as provided in Sentences (2) to (4), materials used to separate concealed spaces into compartments shall remain in place and prevent the passage of flames for a period of not less than 15 min when subjected to the standard fire exposure in CAN4-S101-M, "Standard Methods of Fire Endurance Tests of Building Construction and Materials".
(2) Gypsum wallboard not less than 12.7 mm thick and sheet steel not less than 0.38 mm thick need not be tested in conformance with Sentence (1) provided all joints have continuous support.
(3) In buildings required to be of noncombustible construction, wood nailing elements described in Article 3.1.5.6. need not be tested in conformance with Sentence (1).
(4) In buildings permitted to be of combustible construction, and in combustible roof systems permitted by Sentence 3.1.5.3.(2), materials used to separate concealed spaces into compartments are permitted to be
(a) solid lumber not less than 38 mm thick,
(b) phenolic bonded plywood, waferboard or strandboard not less than 12.5 mm thick with joints supported, or
(c) 2 thicknesses of lumber each not less
than 19 mm thick with joints staggered, where the width or height of the
concealed space is such that more than one piece of lumber not less than 38 mm
thick is necessary to block off the space.
(5) Openings through materials referred to in Sentences (1) to (4) shall be protected to maintain the integrity of the construction.
(6) Where materials referred to in Sentence (1) to (4) are penetrated by construction elements or by service equipment, fire stop materials shall be used to seal the penetration.
3.1.13. Except for the following revisions, the technical requirements of Subsection 3.1.13. are essentially identical to the requirements contained in Subsection 3.1.11. of Appendix A, "1986 Building Code References".
3.1.13.2.(1) This Sentence is essentially the same as Sentence 3.1.11.2.(1) in Appendix A, which establishes the permissible flamespread rating of interior surfaces, ranging from 25 to 150.
(2) Except as permitted in Sentence (3), doors, other than those in Group A, Division 1 occupancies, need not conform to Sentence (1) provided they have a flame-spread rating of not more than 200.
(3) Doors within dwelling units need not comply with Sentences (1) and (2).
3.1.13.10. Where an exterior exit passageway provides the only means of egress from the rooms or suites it serves, the wall and ceiling finishes of that passageway, including the soffit beneath and the guard on the passageway, shall have a flame-spread rating not more than 25, except that a flame-spread rating of not more than 150 is permitted for up to 10% of the total wall area and for up to 10% of the total ceiling area.
3.1.16.1.(1) The occupant load of a floor area or part of a floor area, or of a building or part of a building not having a floor area, shall be based on
Table 3.1.16.A.
Forming Part of Article 3.1.16.1.
|
Type of Use of Building or
Floor |
Area per Person, m2 |
| Assembly uses | |
| space with fixed seats | See Clause (1)(a) |
| space with nonfixed seats | 0.75 |
| stages for theatrical performances | 0.75 |
| space with nonfixed seats and tables | 0.95 |
| standing space | 0.40 |
| bowling alleys, pool and billiard rooms | 9.30 |
| reading or writing rooms or lounges | 1.85 |
| dining, alcoholic beverage and cafeteria space |
1.10 |
| exhibition halls other than those classified in Group E |
2.80 |
| Residential uses | |
| dwelling units | See Clause (1)(b) |
| Business and personal services uses |
|
| personal service shops | 4.60 |
| offices | 9.30 |
| Mercantile uses | |
| basements and first storeys | 3.70 |
| second storeys having a principal
entrance from a pedestrian thoroughfare or a parking area |
3.70 |
| dining, alcoholic beverage and cafeteria space |
1.10 |
| other storeys | 5.60 |
| Other uses | |
| cleaning and repair of goods | 4.60 |
| kitchens | 9.30 |
| storage | 46.00 |
|
Column 1 |
2 |
(2) Where a floor area or part thereof has been designed for an occupant load other than that determined from Table 3.1.16.A., a permanent sign indicating that occupant load shall be posted in a conspicuous location.
(3) For the purposes of this Article, mezzanines, tiers and balconies shall be regarded as part of the floor area.
(4) Where a room or group of rooms is intended for 2 or more occupancies at different times, the value to be used from Table 3.1.16.A. shall be the value which gives the greatest number of persons for the occupancies concerned.
(5) In dining, alcoholic beverage and cafeteria space, the maximum occupant load shall be designed by using an area per person of 0.6 m2.
3.1.16.2. The occupant load of a room in which a dance floor is situated shall be calculated in respect of that portion of the room that is not occupied by the dance floor.
3.1.16.3.(1) The occupant load of a public pool, except a wave action pool, shall be determined by the following formula:
occupant load = D/2.5 + S/1.4
where D = the water surface area in square
metres of the part of the pool that is deeper than 1.35 m; and
where S = the water surface area in square metres of the part of the pool that is 1.35 m in depth or less.
(2) The occupant load of a wave action pool shall be determined by the following formula:
occupant load = D/2.5 + S/1.1
where D = the water surface area in square metres of the part of the pool where the still water depth is greater than 1 m; and
where S = the water surface area in square metres of the part of the pool where the still water depth is 1 m or less.
3.2.1.1.(7) A service space in which facilities are included to permit a person to enter and to undertake maintenance and other operations pertaining to building services from within the service space need not be considered a storey if it conforms to Articles 3.2.5.15. and 3.3.1.22., and Sentences 3.2.4.19.(2), 3.2.7.3.(2), 3.3.1.3.(7), 3.4.2.4.(3) and 3.4.4.4.(8).
3.2.1.4.(1) A floor assembly immediately above a basement shall be constructed as a fire separation having a fire-resistance rating conforming to the requirements for floor assemblies in Articles 3.2.2.16. to 3.2.2.62., but not less than 45 min.
(2) All loadbearing walls, columns and arches supporting a floor assembly immediately above a basement shall have a fire-resistance rating not less than that required in Sentence (1) for the floor assembly.
3.2.1.5.(1) Except as permitted in Sentences (2) and 3.2.2.11.(2), basements shall be sprinklered or shall be subdivided into fire compartments not more than 600 m2 in area by a fire separation having a fire-resistance rating not less than that required for the floor assembly immediately above the basement.
(2) An open-air storey need not conform to Sentence (1).
3.2.2.5.(1) For the purposes of Articles 3.2.1.4.
and 3.2.1.5., a crawl space shall be considered
as a basement when it is more than 1.8 m high
between the lowest part of the floor assembly
and the ground or other surface below or is
used
(a) for any occupancy,
(b) for the passage of flue pipes, or
(a) as a plenum in combustible
construction.
(2) A floor assembly immediately above a crawl space is not required to be constructed as a fire separation and is not required to have a fire-resistance rating provided the crawl space is not considered as a basement in Sentence (1).
3.2.2.11.(2) Where a building or portion thereof is erected entirely below the adjoining finished ground level and extends more than 1 storey below such ground level, the following minimum precautions against fire spread and collapse shall be taken:
(3) The storey immediately below the first storey need not be sprinklered as required by Clause (2)(a) where
(a) it contains only residential
occupancies, and
(b) not less than one unobstructed access
opening conforming to Sentence
3.2.5.1.(2) is installed on that storey for
each 15 m of wall length in at least 1 wall
required to face a street in Subsection
3.2.2.
3.2.2.15. to 3.2.2.62. These Articles deal with requirements for building size and construction relative to occupancy and fire department access.
3.2.3.13.(1) Except as required in Sentence (3), where an exit enclosure has exterior walls that may be exposed to fire from openings in the exterior walls of the building it serves, the openings in either the exterior walls of the exit or the exterior walls of the building shall be protected with wired glass in fixed steel frames or glass block conforming to Article 3.1.8.14. where the openings in the exterior walls of the building are within 3 m horizontally and
(a) less than 10 m below openings in the
exterior walls of the exit, or
(b) less than 2 m above an openings in the
exterior walls of the exit.
(2) (Not referenced by Fire Code Subsections 9.8 and 9.9)
(3) Except as provided in Sentence 3.4.4.3.(1), where an exterior exit door in one fire compartment is within 3 m horizontally of openings in another fire compartment, and the exterior walls containing such openings intersect at an exterior angle of less than 135°, the openings shall be protected with wired glass in fixed steel frames or glass block conforming to Article 3.1.8.14.
3.2.3.14.(1) Except as provided in Sentences 3.2.3.13.(1) and 3.2.3.20.(4), where an opening in an exterior wall of a fire compartment is exposed to an opening in the exterior wall of another fire compartment, and the planes of the 2 walls are parallel or at an angle of less than 135°, measured from the exterior of the building, the openings in the 2 fire compartments shall be separated by a distance at least equal to DO where
DO = 2D - (θ/90 x D), but in no case less than 1
m, where
| D | = | the greater required limiting distance for the exposing building faces of the 2 fire compartments, and |
| θ | = | the angle made by the intersecting planes of the exposing building faces of the 2 fire compartments, (in the case where the exterior walls are parallel and face each other, θ = 0°). |
(2) The exterior wall of each
fire
compartment in Sentence (1) within the
distance, DO, shall have a fire-resistance
rating not less than that required for the interior
vertical fire separation
between the
compartment and the remainder of the building.
3.2.3.15. Except as permitted by Sentence 3.2.3.20.(4), where a wall in a building is exposed to a fire hazard from an adjoining roof of a separate unsprinklered fire compartment in the same building, and the exposed wall contains windows within 3 storeys vertically and 5 m horizontally of such roof, the roof shall contain no skylights within 5 m of the exposed wall.
3.2.3.20.(1) Except as provided in Sentence 3.2.3.21.(2), where buildings are connected by a walkway, each building shall be separated from the walkway by a fire separation with a fire-resistance rating of not less than 45 min.
(2) Except as permitted by Sentence (3), a walkway connected to a building required to be of noncombustible construction shall also be of noncombustible construction.
(3) A walkway connected to a building required to be of noncombustible construction is permitted to be of heavy timber construction provided
(a) not less than 50 per cent of the area of
any enclosing perimeter walls is open to
the outdoors, and
(b) the walkway is at ground level.
(4) A walkway of noncombustible construction used only as a pedestrian thoroughfare and that is not required as an exit, need not conform to the requirements of Articles 3.2.3.14. and 3.2.3.15.
3.2.3.21.(1) An underground walkway shall not be designed for any purpose other than pedestrian travel unless such other purpose is permitted and any space in the walkway containing an occupancy is sprinklered.
(2) Buildings connected by an underground walkway shall be separated from the walkway by a fire separation with a fire-resistance rating of not less than 1 h.
(3) An underground walkway shall be of noncombustible construction suitable for underground location.
(4) Smoke barrier doors shall be installed in underground walkways at intervals of not more than 100 m, or the travel distance from the door of an adjacent room or space to the nearest exit shall be not more than one and a half times the least allowable travel distance for any of the adjacent occupancies as prescribed in Sentence 3.4.2.5.(1).
3.2.4.4.(1) A single stage fire alarm system shall, upon the operation of any manual pull station or fire detector, cause an alarm signal to sound on all audible signal appliances in the system.
(2) A 2 stage fire alarm system shall
(3) Fire alarm systems in Sentences (1) and (2) are permitted to be zone coded so that, upon the operation of any manual pull station or fire detector,
(a) a coded alarm signal is sounded for a
single stage system or a coded alert
signal is sounded for a 2 stage system
indicating the zone of alarm initiation,
(b) the coded alert signal or alarm signal is
repeated in its entirety not less than 4
times, and
(c) a continuous alert signal or alarm signal
is sounded upon completion of the coded
signals in Clause (b) and Sentence (4).
(4) When a second manual pull station or fire detector is operated in a system in Sentence (3), in a zone other than that for which the first alert signal or alarm signal was sounded, the coded alert signal or alarm signal for the first zone shall be completed before the coded alert signal or alarm signal for the second zone is repeated not less than 4 times.
3.2.4.7.(3) Except as permitted in Sentence (4), signals to the fire department shall be by way of
(a) the municipal fire alarm system,
(b) an independent central station conforming
to NFPA-71, "Installation, Maintenance,
and Use of Central Station Signaling
Systems", or
(c) a proprietary control centre conforming to
NFPA-72D, "Installation, Maintenance,
and Use of Proprietary Protective Signaling Systems".
(4) When the facilities in Sentence (3) are not available in the municipality in which the building is to be built, an independent system is permitted to be used to transmit signals to the fire department.
3.2.4.8.(1) Except as permitted in Sentences (2) to (4), an annunciator shall be installed in a location that is readily accessible to fire fighters entering the building and be in close proximity to a building entrance that faces a street or an access route for fire department vehicles that complies with Sentence 3.2.5.6.(1), and the annunciator shall have separate zone indicators of the actuation of the alarm initiating devices in each
(a) floor area
so that the coverage for each
zone is not more than 2 000 m²,
(b) fire compartment required to be
separated by vertical fire separations
having a fire-resistance rating of not
less than 2 h, other than dwelling units
described in Subsection 3.3.4.( the
relevant portion of Subsection 3.3.4. is
Clause 3.3.4.2.),
(c) shaft required to be equipped with fire
detectors,
(d) air handling system required to be equipped with smoke detectors,
(e) to (h) (these Clauses are not relevant to
the Fire Code reference)
(2) An annunciator need not be provided for a fire alarm system when not more than 1 zone indicator is required in Sentence (1).
(3) When an annunciator is not installed as part of a required fire alarm system in conformance with Sentence (1), a visual and audible trouble signal device shall be provided inside the main entrance of the building to indicate the status of the system.
(4) The requirements in Sentence (1) are waived in a building that has an aggregate area for all storeys of not more than 2 000 m² and is not more than 3 storeys in building height .
(5) Where a sprinkler system is used in lieu of heat detectors in conformance with Article 3.2.4.16., the requirements for zone indication in Clauses (1)(a) and (b) are waived provided the actuation of the alarm initiating devices is indicated on the annunciator in conformance with the zone indication requirements for the sprinkler system.
(6) In a building containing a hotel in which a trouble signal sounding device has a silencing switch, a trouble light shall be installed in
(a) the main reception area serving the
hotel,
or
(b) another continually-supervised location.
(7) (this Sentence is not relevant to the Fire Code reference)
3.2.4.10.(1) Fire detectors required in this Article shall be connected to the fire alarm system.
(2) Except as provided in Article 3.2.4.16.,
where a fire alarm system is required, fire
detectors shall be installed in
(a) storage rooms not within dwelling units,
(b) service rooms not within dwelling units,
(c) janitors' rooms,
(d) elevator and dumbwaiter shafts,
(e) rooms where hazardous products are to
be used or stored, and
(f) (this Clause is not relevant to the Fire
Code reference)
3.2.4.11.(1) Except as provided in Article 3.2.4.16., where a fire alarm system is required, heat detectors shall be installed
(a) in every room in portions of buildings
classified as Group A, Division 1 or Group
B major occupancy other than sleeping
rooms,
(b) except in a hotel, in every suite, and
every room not located within a suite, in
portions of buildings
classified as Group
C major occupancy and more than 3
storeys in building height
, and
(c) in a floor area containing a hotel, in
every room in a suite and in every room
not located within a suite other than
washrooms within a suite, saunas,
refrigerated areas and swimming pools.
3.2.4.16.(1) Heat detectors in Articles 3.2.4.10. and 3.2.4.11. need not be provided where an automatic sprinkler system conforming to Sentences (2) to (5) and Article 3.2.5.13. is installed throughout the floor area.
(2) If an annunciator is required by Article
3.2.4.8., automatic sprinkler systems referred to
in Sentence (1) shall be equipped with waterflow
detecting devices so that each device serves
(a) not more than one storey, and
(b) an area on each storey that is not more
than system area limits as
specified in NFPA 13, "Installation of Sprinkler
Systems".
(3) Waterflow detecting devices required by Sentence (2) shall be connected to initiate an alert signal or an alarm signal on the fire alarm system.
(4) The actuation of each waterflow detecting device required by Sentence (2) shall be indicated separately on the fire alarm system annunciator.
(5) The sprinkler system referred to in Sentence (1) shall be electrically supervised to indicate a trouble signal on the building fire alarm system annunciator for each of the following:
(a) movement of a control valve handle,
(b) loss of excess water pressure required to
prevent false alarms in a wet pipe system,
(c) loss of air pressure in a dry pipe system,
(d) loss of air pressure in a pressure tank,
(e) a significant change in water level in any
water storage container used for fire
fighting purposes,
(f) loss of electrical power to any
automatically starting electrical fire pump,
and
(g) a temperature approaching the freezing
point in any dry pipe valve enclosure or
water storage container used for fire
fighting purposes.
3.2.4.19.(2) If a fire alarm system is required, audible signal appliances shall be located in a service space referred to in Sentence 3.2.1.1.(7) and shall be connected to the fire alarm system.
3.2.4.21.(1) Smoke alarms conforming to CAN/ULC-S531-M, "Standard for Smoke Alarms" shall be installed in each dwelling unit and, except for institutional occupancies required to have a fire alarm system, in each sleeping room not within a dwelling unit.
(2) Smoke alarms within dwelling units shall be installed between each area containing sleeping rooms and the remainder of the dwelling unit, and where the sleeping rooms are served by hallways, the smoke alarms shall be installed in the hallways.
(3) Smoke alarms shall be installed on or near the ceiling.
(4) Smoke alarms shall be installed with permanent connections to an electrical circuit and shall have no disconnect switches between the overcurrent device and the smoke alarm.
3.2.4.22.(1) A voice communication system required in Subsection 3.2.6.(see Article 3.2.6.13.) shall consist of
(a) a 2-way communication system in each floor area, with connections to the central
alarm and control facility and to the
mechanical control
centre, and
(b) loudspeakers operated from the central
alarm and control facility which are
designed and located so as to be heard in
all parts of the building, except that this
requirement does not apply to elevator
cars.
(2) The voice communication system referred
to in Sentence (1) shall include provision for
silencing the alarm signal in a single stage fire
alarm system when voice messages are being
transmitted, but only after the alarm signal has
sounded initially for not less than
(a) 30 s in Group B, Division 2 major
occupancies, and
(b) 1 min in all other occupancies.
(3) The voice communication system referred
to in Sentence (1) shall include provision for
silencing the alert signal and the alarm signal in
a 2 stage fire alarm system when voice
messages are being transmitted, but only after
the alert signal has sounded initially for not less
than
(a) 30 s in Group B, Division 2 major
occupancies, and
(b) 1 min in all other occupancies.
(4) The voice communication system referred to in Clause (1)(b) shall be designed so that voice instructions can be transmitted selectively to any zone or zones while maintaining an alert signal or alarm signal to the other zones in the building.
(5) The 2-way communication system referred to in Clause (1)(a) shall be installed so that emergency telephones are located in each floor area near exit stair shafts.
3.2.5.1. (1) Except for storeys below the first storey, direct access for fire fighting shall be provided from the outdoors to every storey having its floor level less than 25 m above grade by not less than one unobstructed window or access panel for each 15 m of wall in each wall required to face a street in Subsection 3.2.2.
(2) An opening for access required in Sentence (1) shall be not less than 1 100 mm high by 550 mm wide, with a sill height of not more than 900 mm above the inside floor.
3.2.5.5. The technical requirements of Article 3.2.5.5. are essentially identical to the requirements contained in Sentence 3.2.5.2.(1) of Appendix A, "1986 Building Code References".
3.2.5.6. The technical requirements of Article 3.2.5.6. are essentially identical to the requirements contained in Sentences 3.2.5.2.(2) to (5) of Appendix A, "1986 Building Code References".
3.2.5.7. The technical requirements of Article 3.2.5.7. are essentially identical to the requirements contained in Sentence 3.2.5.2.(6) of Appendix A, "1986 Building Code References".
3.2.5.13.(1) Except as provided in Sentences (2) and (3), where a sprinkler system is required, it shall be designed, constructed, installed and tested in conformance with NFPA 13, "Installation of Sprinkler Systems".
(2) Where a building contains fewer than 9 sprinklers, the water supply for such sprinklers is permitted to be supplied from the domestic water system for the building provided the required flow and pressure for the sprinklers can be met by the domestic system.
(3) Where a water supply serves both a sprinkler system and a system serving other equipment, control valves shall be provided so that either system can be shut off independently.
(4) Open grid and translucent ceilings located below sprinkler systems shall be installed in conformance with NFPA 13, "Installation of Sprinkler Systems", paragraphs 4-4.14 and 4-4.15.
(5) Where a sprinkler system has one or more electrically supervised control valves in order to meet the requirements of this Article, each valve shall be equipped with an electrically supervised switch for transmitting a signal for individual annunciation in the event of movement of the valve handle and the same annunciator panel may be utilized for supervision of valves in both the standpipe and sprinkler systems.
3.2.5.14.(1) Combustible sprinkler piping shall be used only for wet systems in residential occupancies and other light hazard occupancies.
(2) Combustible sprinkler piping shall meet the requirements of ULC C199P-M, "Guide for the Investigation of Combustible Piping for Sprinkler Systems".
(3) Except as permitted in Sentence (4), combustible sprinkler piping shall be separated from the area served by the sprinkler system and from any other fire compartment by ceilings, walls, or soffits consisting of, as a minimum, lath and plaster, gypsum board not less than 9.5 mm thick, plywood not less than 13 mm thick, or a suspended membrane ceiling with lay-in panels or tiles and steel suspension grids, with the lay-in panels or tiles having a mass of not less than 1.7 kg/m².
(4) Where combustible sprinkler piping is located above a ceiling, openings in the ceiling that are unprotected through the ceiling shall
(a) have an individual area not more than
0.71 m²,
(b) have no dimension greater than 1200
mm, and
(c) be located so that the distance between
the edge of the opening and
the nearest
sprinkler head is not more than 300 mm.
3.2.5.15.(1) An automatic sprinkler system shall be installed in a service space referred to in Sentence 3.2.1.1.(7) if flooring for access within the service space is other than catwalks.
(2) The sprinkler system required in Sentence (1) shall be equipped with waterflow detecting devices serving not more than one storey.
(3) The waterflow detecting devices required by Sentence (2) shall be connected to the fire alarm system, if required, to
(a) initiate an alert signal or
alarm signal,
and
(b) indicate separately on the fire alarm
system annunciator the actuation of each
device.
(4) If a building is sprinklered, sprinkler protection need not be provided in the space below a raised floor in a computer room
(a) if the optical fibre cables and electrical
wires and cables in this space conform
to the test requirements in Article
3.1.5.19.,
(b) if the building is of noncombustible
construction and other combustible
components are limited to those
permitted in Subsection 3.1.5.,
(c) if this space is used to circulate
conditioned air, and the air handling system is designed to prevent the
circulation of smoke upon a signal from a
smoke detector,
(d) if all of this space is easily accessible by
providing access sections or panels in
the raised floor, and
(e) if the computer room is more than 2 000
m2 and the annunciator has separate
zone indicators of the actuation of smoke detectors located in this space
so that the coverage for each zone is not
more than 2 000 m2.
(5) Where a room, chute or bin is required to be sprinklered as indicated in Sentence 3.3.4.3.(1), Article 3.5.2.7. and Sentence 3.5.3.3.(6), the sprinklers may be supplied with water from the fire standpipe system provided that
3.2.5.16.(1) Fire department connections for standpipe and hose systems shall be located so that the distance from the fire department connection to a hydrant is not more than 45 m and is unobstructed.
(2) Fire department connections for sprinkler systems shall be located so that the distance from a fire department connection to a hydrant is not more than 45 m and is unobstructed.
(3) The fire department connections required in Sentences (1) and (2) shall be
(a) located on the outside of a building
adjacent to a street or an access route,
not less 300 mm and not more than 900
above ground level, and
(b) provided with two 65 mm hose
connections with female swivel hose
couplings.
3.2.6. This Section contains additional requirements for high buildings that are not all relevant to the Fire Code reference. Information detailing which buildings are classified as high buildings is relevant though and is provided in Sentence 3.2.6.1.(1).
3.2.6.1.(1) This Subsection applies to
3.2.6.2. Article 3.2.6.2. provides comprehensive requirements for smoke control in high buildings. The alternative retrofit requirements provided in Sentence 9.9.2.15.(4) of the Fire Code are much easier to carry out and will generally be the preferred method of satisfying the smoke control requirements of the Fire Code. For this reason, the details of Article 3.2.6.2. of the Building Code are not being provided here. Comparable information is available in the current Building Code.
3.2.6.8.(1) Manual emergency recall operation shall be provided for all elevators serving storeys above the first storey.
(2) Key-operated switches for emergency recall described in Sentence (1) shall be provided in a conspicuous location at each elevator lobby on the recall level and at the central alarm and control facility required in Article 3.2.6.12.
(3) In-car emergency switches shall be provided in all elevator cars.
(4) Keys to operate the switches required by Sentence (2) and (3) shall be provided in a suitably identified box conspicuously located on the outside of an elevator shaft near the central alarm and control facility required in Article 3.2.6.12., and an additional key, or keys, shall be kept at the central alarm and control facility.
(5) Automatic emergency recall operation shall be provided for all elevators serving storeys above the first storey in unsprinklered buildings.
(6) The automatic emergency recall feature in Sentence (5) shall be actuated by
(a)
smoke detectors installed in each
elevator lobby on each storey, or
(b) the building fire alarm system.
(7) Smoke detectors in Sentence (6) shall be designed as part of the building fire alarm system.
3.2.6.9.(1) Not less than one elevator shall be provided for use by fire fighters in conformance with Sentences (2) to (6).
(2) The elevator required in Sentence (1) shall have a usable platform area not less than 2.2 m² and shall be capable of carrying a load of 900 kg from a street floor landing to the top floor that it serves in 1 minute, except that in every building which is a Group C major occupancy apartment building, the elevator shall be able to accommodate a stretcher in the horizontal position.
(3) Except when Measure K of Chapter 3, "Measures for Fire Safety in High Buildings", of the Supplement to the NBC 1990 is used, each elevator for use by fire fighters shall
(a) be provided with a closure at each shaft
opening so that the interlock mechanism
and associated wiring is operational for a
period of at least 1 h when the assembly
is subjected to the standard fire exposure
described in CAN4-S104-M, "Standard
Method for Fire Tests of Door
Assemblies",
(b) be protected with a vestibule containing
no occupancy, and separated from the
remainder of the floor area by a fire
separation a fire-resistance
rating of not less than 45 min, or
(c) be protected with a corridor containing no occupancy and separated from the
remainder of the building by a fire
separation having a fire-resistance
rating of not less than 1 h.
(4) Except as provided in Sentence (5), an elevator required in Sentence (1) shall be capable of providing transportation from the street floor to every floor normally served by the elevator system that is above grade in the building.
(5) Where it is necessary to change elevators to reach any floor referred to in Sentence (4), the system shall be designed so that not more than one change of elevator is required when travelling from a street floor to any floor in the building.
(6) Electrical conductors for the operation of the elevator referred to in Sentence (1) shall be
(a) installed in service spaces conforming to
Section 3.5 that do not contain other
combustible material, or
(b) protected against exposure to fire from
the service entrance of the emergency power supply, or the nor in CAN4-S101-M, "Standard Methods of Fire Endurance Tests of
Building Construction and Materials".
3.2.6.12. The central alarm and control facility required in 3.2.6.12. provides a means to control and operate the voice communication system, the fire alarm and other equipment that is necessary to the life safety of the building. This facility is usually located near the main entrance to the building and is accessible to fire fighters.
3.2.6.13. When the height of a building, measured between grade and the floor of the top storey is more than 36 m, or in buildings containing a floor area above the third storey and designed or intended as a Group B, Division 2 occupancy, a voice communication system or systems conforming to Article 3.2.4.22. shall be provided.
3.2.7.3.(1) Emergency lighting shall be provided to average levels of at least 10 lx at floor or tread level in
(2) Emergency lighting to provide an average
level of illumination at floor or catwalk level of not
less than 10 lx (0.9 ft-candles) shall be included
in a service space referred to in Sentence
3.2.1.1.(7).
3.2.7.4.(1) An emergency power supply shall be
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
be so designed and installed that upon failure of
the regular power it will assume the electrical load
automatically for a period of
(a) 2 h for all buildings
within the scope of
Subsection 3.2.6.,
(b) 1 h for buildings
of Group B major
occupancy classification that are not
within the scope of Subsection 3.2.6., and
(c) 30 min for buildings
of all other occupancies.
(2) Where self-contained emergency lighting units are used, they shall conform to CSA C22.2 No. 141, "Unit Equipment for Emergency Lighting".
3.2.7.8.(1) An emergency power supply conforming to Sentences (2), (3) and (4) shall be provided for required fire alarm systems.
(2) The emergency power supply required in
Sentence (1) shall be from(a) a generator conforming to Article 3.2.7.4.,
(b) batteries, or
(c) a combination thereof.
(3) The emergency power supply required in Sentence (1) shall be capable of providing supervisory power for not less than 24 h and emergency power under full load for not less than
(a) 2 h for buildings
required to conform to
Subsection 3.2.6.,
(b) 1 h for buildings
classified as Group B major occupancy that are not within the
scope of Subsection 3.2.6.,
(c) 5 min for buildings
not required to be
equipped with an annunciator, and
(d) 30 min for all other buildings.
(4) The emergency power supply required in Sentence (1) shall be designed so that there will be automatic transfer to emergency power in the event of a failure of the normal power source.
(5) An emergency power supply shall be provided for the voice communication system required by Article 3.2.6.13. and shall be capable of maintaining operation of the system for not less than 2 h.
(6) The emergency power supply for the voice communication system required by Sentence (5) shall be capable of full operation immediately upon the failure of the normal source of power.
(7) If the emergency power supply required by Sentence (5) is provided by batteries, the batteries shall be sized to provide the total energy consumed by the maximum possible electrical supervision current plus the trouble signal current for a period of 24 h followed by 30 min of continuous voice communication.
3.2.8. Details of proper interconnected floor space design as referenced in Subsection 3.2.8. are quite comprehensive and can be found in the current edition of the Building Code.
3.2.8.2.(6) An interconnected floor space need not conform to the requirements of Articles 3.2.8.2. to 3.2.8.10. provided
(a) the interconnected floor space consists
of the first storey, and the storey
next
above or below it, but not both,
(b) the interconnected floor space is
sprinklered, and
(c) the interconnected floor space
contains
only Group A, Division 1 or 2, Group D,
Group E, or Group F, Division 3 major
occupancies.
3.2.8.7.(2) In a building containing an interconnected floor space
(a) waterflow alarm signals from sprinkler
systems shall be transmitted to the fire
department in conformance with
Sentence 3.2.4.7.(3), and
(b) sprinkler systems shall be electrically
supervised as required in Sentence
3.2.4.16.(5).
3.2.9.1.(1) Except as provided in Article 3.2.9.2., a standpipe and hose system shall be installed in every building that
Table 3.2.9.A.
Forming Part of Sentence 3.2.9.1.(1)
| Occupancy | Building Area, m2 | ||
| Classification |
1 Storey |
2 |
3 |
|
Storeys |
Storeys |
||
| A |
2 500 |
2 000 |
1 500 |
| C |
2 000 |
1 500 |
1 000 |
| D |
4 000 |
3 000 |
2 000 |
| F, Division 2 |
2 000 |
1 500 |
1 000 |
| F, Division 3 |
3 000 |
2 000 |
1 000 |
| Column 1 |
2 |
3 |
4 |
3.2.9.2.(1) A standpipe need not be installed in a storage garage conforming to Article 3.2.2.60. provided the building is not more than 15 m high.
(2) A standpipe system need not be
installed in the lowest storey in a building
where this storey is a service room having an
area not more than 50 m2.
3.2.9.3.(1) Except as provided in Sentences (2)
to (10) and Articles 3.2.9.4. to 3.2.9.7., where
standpipe and hose systems are required, the
design, construction, installation and testing of
such standpipe and hose systems shall be in
conformance with NFPA 14, "Installation of
Standpipe and Hose Systems".
(2) Dry standpipes that are not connected to a water supply shall not be considered as fulfilling the requirements of this Article.
(3) Where more than one standpipe is provided, the total water supply need not be more than 30 L/s.
(4) Where a standpipe and hose system is required, 38 mm diam hose connections shall be provided in each storey in the building.
(5) In addition to the requirements in Sentence (4), where a standpipe and hose system is required, 65 mm diam hose connections shall be installed in each storey in buildings which
(a) are more than 25 m high, measured
between grade and the ceiling of the top
storey, or
(b) has a building area of more than 4 000m2.
(6) The residual water pressure at the design flow rate at the topmost outlet of a standpipe and hose system that is required to be installed in a building is permitted to be less than 450 kPa provided that
(a) the building is sprinklered
in
conformance with Sentence 3.2.5.13.(1),
(b) the water supply at the base of the
sprinkler riser is capable of meeting the
design flow rate and pressure demand of
the sprinkler system, including the inside
and outside hose allowance, and
(c) fire protection equipment is available to
deliver, by means of the fire department
connection, the full demand flow rate at a
residual water pressure of 450 kPa at the
topmost outlet of the standpipe and hose system.
(7) Pumps required to have a discharge pressure greater than 280 kPa (gauge) and their controllers shall be listed and labelled.
(8) Couplings for hoses or other fittings used in connection with such couplings shall conform to ULC-S513, "Standard for Threaded Couplings for 38 mm and 65 mm Fire Hose" or ULC-S543, "Standard for Internal Lug Quick Connect Couplings for Fire Hose".
(9) Where freezing of piping may occur, a dry standpipe system may be provided and so arranged through the use of listed devices to
(a) automatically admit water to the system
by opening of a hose valve, and
(b) transmit a signal to an attended location.
(10) A standpipe riser shall be located in
(a) a vertical service space, or
(b) an exit stair shaft.
3.2.9.4.(1) Hose stations shall be located
(2) A hose station located on one side of a horizontal exit shall be considered to serve only the floor area on that side of the horizontal exit.
(3) Except for roof-top enclosures, hose stations shall be located so that it is not necessary to penetrate an exit stairwell to provide full design coverage.
(4) Each hose station shall be equipped with a hose rack filled with not more than 30 m of 38 mm diam fire hose and the hose rack and fire hose shall be
(a) listed, or
(b) approved by the Factory Mutual
Research Corporation.
(5) Except in a Group F occupancy and as permitted in Sentence (6), valves, fire hose, nozzle and hose rack shall be in a hose cabinet.
(6) Hose stations in a Group B, Division 1 major occupancy is permitted to be located in a secure area, or in lockable cabinets provided that
(a) identical keys for all cabinets are located
at all guard stations, or
(b) electrical remote release devices are
provided and are connected to an
emergency power supply.
(7) Hose cabinets shall be of sufficient size to contain a listed fire extinguisher in addition to the equipment referred to in Sentence (5),
(8) Every hose cabinet shall be located so that its door, when fully opened, will not obstruct the required width of a means of egress.
(9) Hose connections shall be provided with sufficient clearance to permit the use of a standard fire department hose key.
3.2.9.5. In buildings where a fire alarm system is required to have an annunciator by Sentence 3.2.4.8.(1), each valve controlling water supplies in a standpipe system, except for hose valves, shall be equipped with an electrically supervised switch for transmitting a signal for individual annunciation in the event of movement of the valve handle.
3.2.9.6.(1) Where a standpipe and hose system is required, the water supply shall be sufficient to provide a flow, measured at each of the two highest and most remote 38 mm hose connections,
(a) of not less than 380 L/min,
(b) for not less than 30 min,
(c) at a pressure of not less than 450 kPa
(gauge), and
(d) of not less than 190 L/min from each of
the two outlets simultaneously.
3.2.9.7.(1) Where 65 mm hose connections are required, the water supply shall be sufficient to provide a flow, measured at each of the two highest and most remote 65 mm hose connections
(a) of not less than 1 890 L/min,
(b) for not less than 30 min,
(c) at a pressure of not less than 450 kPa
(gauge), and
(d) of not less than 945 L/min from each of
the two outlets simultaneously.
(2) Where the building is less than 84 m in height, measured between grade and the ceiling level of the top storey, the water supply required in Sentence (1) is permitted to be supplied through the fire department connection.
(3) Where the building is 84 m or more in height, measured between grade and the ceiling level of the top storey, the water supply required in Sentence (1) shall be provided by sufficient pumping capacity.
(4) Wheref the building is 84 m or more in height, measured between grade and the ceiling level of the top storey, the building shall be served by not less than two sources of water supply from a public water system.
3.3.1.3.(7) Two points of egress shall be provided from a service space referred to in Sentence 3.2.1.1.(7) if the area of the service space is more than 200 m², and the travel distance measured from any point in the service space to a point of egress is more than 25 m.
3.3.1.22. Illuminated signs conforming to Sentences 3.4.5.1.(3) and (5) shall be provided to indicate the direction to egress points in a service space referred to in Sentence 3.2.1.1.(7).
3.3.2.3.(3) This Sentence refers to egress
doorways in fixed seat Group A, Division 1
assembly areas
(a) where the doorways are provided at the ends
of rows of seats where no more than 100
seats are provided per row, and
(b) where not more than 3 rows are served by
the doorways.
3.3.2.4.(6) The length of travel to an exit door by any aisle shall not be more than 45 m.
3.3.4.2.(1) Suites of residential occupancy shall be separated from each other and the remainder of the building by a fire separation having a fire-resistance rating of not less than 1 h, except that
(a) a fire-resistance rating of not less than
45 min is permitted where the fire-resistance rating of the floor assembly
above the floor area, or the floor
assembly below the floor area if there is
no floor assembly above, is not required
to be more than 45 min, and
(b) no fire separation
is required for a floor
assembly conforming to Sentence
3.2.2.5.(2).
(2) Floor assemblies within a dwelling unit need not be constructed as fire separations provided the distance between the lowest floor level and the uppermost floor level within the dwelling unit is not more than 6 m and provided that the dwelling unit is separated from the remainder of the building by a fire separation having a fire-resistance rating of not less than
(a) 45 min where the building is
sprinklered and is not more than 3 storeys in building height
,
(b) 1 h if the building is sprinklered
or is
not more than 6 storeys in building
height, and
(c) 2 h where the building is not sprinklered
and is more than 6 storeys in building
height.
3.3.4.3.(1) Storage rooms not contained within a suite, for the use of tenants in residential occupancies, shall be sprinklered and separated from the remainder of the building by a fire separation having a fire-resistance rating of not less than 1 h, except that a fire-resistance rating of not less than 45 min is permitted where the fire-resistance rating of the floor assembly is not required to be more than 45 min.
3.3.5.5.(3) Mechanical storage garages of not more than 4 storeys in building height , where no persons other than parking attendants are permitted above the street floor level, need not have a fire separation between the exits and the remainder of the building.
3.4.2.4.(1) Except as provided in Sentence (2), and (4), for the purposes of this Subsection, travel distance means the distance from any point in the floor area to an exit measured along the path of exit travel.
(2) The travel distance may be measured from an egress door of a room or suite to the nearest exit where
(a) the public corridor or a corridor used by
the public which serves the room or
suite is separated from the remainder of
the floor area by a fire separation
, or
(b) the room or suite is served by an exterior
passageway.
(3) Travel distance to an exit shall be not more than 50 m from any point in a service space referred to in Sentence 3.2.1.1.(7).
(4) This requirement applies to elementary and secondary schools only.
3.4.2.5.(1) Except as permitted by Sentences (2), (3) and 3.3.2.4.(6), where more than one exit is required from a floor area, such exits shall be located so that the travel distance to not less than one exit as described in Article 3.4.2.4. shall be not more than
| (a) 25 m in a Group F, Division 1 occupancy, |
| (b) 45 m in any sprinklered floor area that contains an occupancy other than Group F, Division 1, |
| (c) 40 m in any Group D occupancy, |
| (d) 105 m in any floor area, served by a public corridor, in which rooms and suites are not separated from the remainder of the floor area by a fire separation, provided |
| (i) the public corridor has a width of not less than 9 m, |
| (ii) the ceiling height in the public corridor is not less than 4 m above all floor surfaces, |
| (iii) the building is sprinklered, and |
| (iv) not more than one half of the required egress doorways from a room or suite open into the public corridor when the room or suite is required to have more than one egress doorway, |
| (e) 60 m in any storage garage that conforms to the requirements of Article 3.2.2.60., and (f) 30 m in any other occupancy. |
(2) Except for a Group F, Division 1 occupancy, Sentence (1) need not apply if exits are placed along the perimeter of the floor area and are not more than 60 m apart, measured along the perimeter, provided each main aisle in the floor area leads directly to an exit.
(3) Where more than one exit is required, every exit shall be considered as contributing not more than one half of the required exit width.
3.4.4.1.(1) Except as provided in Articles 3.4.4.3. and Sentences (2), 3.3.5.5.(3) and 3.4.4.2.(2), every exit shall be separated from each adjacent floor area by a fire separation having a fire-resistance rating not less than that required for the floor assembly above the floor area and, where there is no floor assembly above, not less than that required by Subsection 3.2.2. for the floor assembly below, but in no case shall the fire-resistance rating be less than 45 min.
(2) The fire-resistance rating of the fire separation in Sentence (1) need not be more than 2 h.
3.4.4.2.(1) Except as provided in Sentence (2), an exit from any floor area above or below the first storey shall not lead through a lobby.
(2) Not more than 1 exit from a floor area is permitted to lead through a lobby provided
3.4.4.3. (1) The requirements in Sentences 3.4.4.1.(1) and 3.2.3.13.(1) and (3) do not apply to an exterior exit passageway provided
(a) not less than 50 per cent of the exterior
side is open to the outdoors, and
(b) an exit stair is provided at each end of
the passageway.
3.4.4.4.(8) Service spaces referred to in Sentence 3.2.1.1.(7) shall not open directly into an exit.
3.4.5.1.(1) Except as provided in Sentence (7), every exit door other than the main entrance to a room or building shall have an exit sign placed over or adjacent it when the exit serves
(a) a building exceeding 2
storeys in building height,
(b) a building having an occupant load
greater than 150, or
(c) a room or floor area that has a fire
escape as part of a required means of
egress.
(2) Except as provided in Sentence (9), every exit sign shall
(a) be visible from the exit approach,
(b) have the word EXIT or the words
EXIT/SORTIE displayed in plain legible
letters, and
(c) be designed to be illuminated
continuously while the building is
occupied.
(3) Exit signs shall consist of red letters on a contrasting background or a red background with contrasting letters, with the letters having a 19 mm stroke and a height of at least
(a) 114 mm when internally illuminated, and
(b) 150 mm when externally illuminated.
(4) Where illumination of an exit sign is provided from an electrical current, that circuit shall
(a) serve no equipment other than
emergency equipment, and
(b) be connected to an emergency power
supply as described in Sentence
3.2.7.4.(1) where emergency lighting is
required in Sentence 3.2.7.3.(1).
(5) Where necessary, signs shall be provided to indicate the direction of egress in public corridors and passageways, and shall have the word EXIT or the words EXIT/SORTIE with a suitable arrow or pointer indicating the direction of egress, and the size of lettering shall conform to Sentence (3).
(6) Except for egress doors described in Sentence 3.3.2.3.(3), and except for the main entrance door, an exit sign conforming to Sentences (2), (3) and (4) shall be placed over or adjacent to every egress door from rooms with an occupant load of more than 60 in Group A, Division 1 occupancies, dance halls, licensed beverage establishments and other similar occupancies that, when occupied, have lighting levels below that which would provide easy identification of the egress door.
(7) Except for suite doors opening directly to the exterior, every exit serving a hotel shall have an exit sign placed over or adjacent to it.
(8) Reserved
(9) If an exit sign having the word EXIT is installed in conformance with this Article, an additional sign displaying the word SORTIE is permitted to be installed.
3.4.5.2. In buildings over 2 storeys in building height, any part of an exit ramp or stair that continues past an exterior exit door down to a basement shall be clearly marked by a sign indicating that it does not lead to an exit.
3.4.6.15.(4) An electromagnetic locking device that does not incorporate latches, pins or other similar devices to keep the door in the closed position is permitted to be installed on an exit door, other than an exit door serving an elementary or secondary school or leading directly from a Group F, Division 1 occupancy
3.4.6.16.(1) Except as required in Sentence (4), in buildings more than 6 storeys in building height,
(2) Where access to floor areas through unlocked doors is required by Clause (1)(a) or through electromagnetically locked doors is permitted by Sentence (3), it shall be possible for a person entering such floor area to have access through unlocked doors or electromagnetically locked doors within the floor area to at least one other exit.
(3) Electromagnetic locking devices may be installed on the doors providing access to floor areas in Clause (1)(a) from exit stairs, provided all locking device release and signage provisions in Sentence 3.4.6.15.(4) are installed on both sides of such stairway exit doors.
(4) In a building not more than 6 storeys in building height, doors providing access from exit stairs to a floor area containing a hotel are permitted to have locking devices to prevent entry into the floor area provided the requirements in Clause (1)(c) are complied with.
3.4.6.17.(1) Arabic numerals indicating the assigned floor number shall
(a) except as required in Clause (b), be
mounted permanently on the stair side of
the wall at the latch side of doors to exit stair shafts,
(b) be mounted permanently on each side of
the doors to exit stair shafts that serve a
hotel.
(c) be not less than 60 mm high, raised
approximately 0.7 mm above the surface,
(d) be located 1500 mm from the finished
floor,
(e) except for door mounted numerals, be
located not more than 300 mm from the
door, and
(f) be contrasting in colour with the surface which they are applied.
3.4.7.2. The technical requirements of Article 3.4.7.2. are essentially identical to the requirements contained in Sentence 3.4.7.13.(3) of Appendix A, "1986 Building Code References".
3.4.7.3. The technical requirements of Article 3.4.7.3. are essentially identical to the requirements contained in Sentences 3.4.7.13.(4) and (8) of Appendix A, "1986 Building Code References".
3.4.7.5. The technical requirements of Article 3.4.7.5. are essentially identical to the requirements contained in Sentences 3.4.7.13.(6), (7), (9) and (13) of Appendix A, "1986 Building Code References".
3.4.7.6. The technical requirements of Article 3.4.7.6. are essentially identical to the requirements contained in Sentences 3.4.7.13.(10) to (12) of Appendix A, "1986 Building Code References".
3.5 Section 3.5 has provisions that apply to attic, duct, crawl and shaft spaces and service rooms, mechanical penthouses and facilities contained therein.
Service spaces are detailed in Subsections 3.5.3. and 3.5.4., and are required to be separated from the remaining floor area by fire-rated separations. Further details are provided in the current edition of the Building Code.
3.5.2.7. Except as provided in Sentence 3.5.3.3.(9), rooms for the temporary storage of combustible refuse such as garbage or waste paper shall be separated from the remainder of the building by a fire separation with a fire-resistance rating of not less than 1 h and be sprinklered.
3.5.3.3.(6) Sprinklers shall be installed at the top of each linen and refuse chute, at alternate floor levels and in the room or bin into which the chute discharges.
(9) A refuse chute shall discharge only into a room or bin separated from the remainder of the building by a fire separation with a fire-resistance rating of not less than 2 h.
3.5.4.2.(1) A horizontal service space that penetrates a required vertical fire separation shall be separated from the remainder of the building it serves in conformance with Sentence (2).
(2) Where a horizontal service space or other concealed space is located above a required vertical fire separation other than a vertical shaft, such space need not be divided at the fire separation as required in Article 3.1.8.3. provided the construction between such space and the space below is constructed as a fire separation at least equivalent to that required for the vertical fire separation, except that where the vertical fire separation is not required to have a fire-resistance rating of more than 45 min, the fire-resistance rating is permitted to be not less than 30 min.
9.9.8.5. (1) Not more than one exit from a floor area may lead through a lobby.
(2) The floor of the lobby referred to in Sentence (1) shall be not more than 4.5 m above grade, and the path of travel through the lobby to the outdoors shall not exceed 15 m.
(3) The lobby referred to in Sentence (1) shall conform in all respects with the requirements for exits, except that rooms other than service rooms, storage rooms and rooms of residential or industrial occupancy may open directly onto such lobby.
(4) Except as required in Sentence (5), an exit is permitted to lead through a lobby referred to in Sentence (1) provided the lobby is not located within an interconnected floor space other than as described in Sentence 3.2.8.2.(6).
(5) An exit which serves a hotel may lead through a lobby referred to in Sentence (1) provided the lobby is not located within an interconnected floor space.
(6) Where the lobby referred to in Sentence (1) and adjacent occupancies that are permitted to open into the lobby are sprinklered, the fire separation between such occupancies and the lobby need not have a fire-resistance rating.
9.10.3.1. The fire separation requirements in Article 9.10.3.1. are essentially identical to the requirements contained in Article 9.10.3.1. of Appendix A, "1986 Building Code References".
9.10.13.2.(1) A 45 mm thick solid core wood door may be used where a minimum fire-protection rating of 20 min is permitted or between a public corridor and a suite provide the door conforms to CAN4-S113, "Standard Specification for Wood Core Doors Meeting the Performance Required by CAN4-S104 for Twenty Minute Fire-Rated Closure Assemblies".
(2) Doors described in Sentence (1) shall have not more than a 6 mm clearance beneath and not more than 3 mm at the sides and top.
(3) Where a 45 mm thick solid core wood door is permitted in a required fire separation , the requirement for a noncombustible sill in NFPA 80, "Fire Doors and Windows" shall not apply.
9.10.13.10.(1) Except as described in Sentence (2), every door in a fire separation shall have a self-closing device.
(2)
(Not relevant to Section 9.8 reference.)
9.10.15.3. Fire stops shall be constructed of not less than 0.38 mm sheet steel, 6 mm asbestos board, 12.7 mm gypsum wallboard, 12 mm plywood, waferboard, or strandboard, with joints having continuous support, 2 layers of 19 mm lumber with joints staggered, 38 mm lumber or materials conforming to Sentence 3.1.11.7.(1).
Part 11
Details of the compliance alternatives in
Part 11 of the Building Code are quite
comprehensive and can be found in the current
edition of the Building Code.
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