jswizzle3737/ontario_laws_and_regs huggingface dataset:
Notes to Table 3.3.1.5.B.:
3.4.6.10. Horizontal Exits (1) Except in an elementary or secondary school that is subdivided by a firewall, the floor area on each side of a horizontal exit shall be sufficient to accommodate the occupants of both floor areas, allowing not less than 0.5 m2 of clear floor space per person, except that 1.5 m2 shall be provided for each person in a wheelchair and 2.5 m2 for each patient in bed. (2) If vestibules, enclosed balconies or bridges are used as parts of a horizontal exit, their clear width shall be not less than that of the exit doorways opening into them, except that handrails are not permitted to project into this clear width more than 100 mm. (3) In a horizontal exit where there is a difference in level between the connected floor areas, slopes not more than those specified for ramps in Article 3.4.6.7. are permitted to be used. (4) No stairs or steps shall be used at a horizontal exit. (5) If two doors are provided in a horizontal exit
that comprises a part of the required number of exits
from the floor areas on both sides of the exit, (a) the doors shall be mounted adjacent to each other with the door on the right side in the direction of travel through the horizontal exit swinging in the direction of travel through the horizontal exit, and (b) signs shall be provided on each side of the horizontal exit to indicate the door that swings in the direction of travel from that side. (6) If a horizontal exit utilizes bridges between buildings or outside balconies, the bridges or balconies shall conform to Article 3.2.3.19. (7) Any change in floor level from one side of a horizontal exit to the other side shall not exceed 2 000 mm.
Notes to Table 3.3.1.5.B.:
3.4.6.11. Doors (1) The distance between a stair riser and the leading edge of a door during its swing shall be not less than 300 mm. (1.1) Except as provided in Sentence (2) and where a threshold is used to contain spillage, a threshold for a doorway in an exit shall be not more than 13 mm higher than the surrounding finished floor surface. (2) No exit door shall open directly onto a step except that, if there is danger of blockage from ice or snow, an exit door is permitted to open onto not more than one step which shall be not more than 150 mm high. (3) Exit doors shall be clearly identifiable. (4) No door leaf in an exit doorway with more than one leaf shall be less than 600 mm wide. (5) Where an exit door leading directly to the outside is subject to being obstructed by a parked vehicle or storage because of its location, a visible sign prohibiting such obstructions shall be permanently mounted on the exterior side of the door.
Notes to Table 3.3.1.5.B.:
3.4.6.12. Direction of Door Swing (1) Except as permitted by Sentences (2) to (4) and Article 3.4.6.14., every exit door shall, (a) open in the direction of exit travel, and (b) swing on its vertical axis. (2) A door serving a single dwelling unit
shall swing on its vertical axis. (3) Except in a high hazard industrial occupancy, an exit door need not swing in the direction of exit travel where it serves, (a) a room, suite
or floor area having an occupant load of not more than 60 persons, or (b) as part of a means of egress from more than one floor area and the floor areas so served have a total occupant load of not more than 60 persons. (4) Exit doors need not conform to Sentence (1) where they serve, (a)  storage garages serving not more than one dwelling unit, (b) accessory buildings
serving not more than one dwelling unit, or (c) storage suites
not more than 28 m2 in area that are on the first storey of a warehouse and open directly outdoors at ground level.
Notes to Table 3.3.1.5.B.:
3.4.6.13. Self-Closing Devices (1) An exit door that is normally required to be kept closed, (a) shall be provided with a self-closing mechanism, and (b) shall not be secured in an open position except as permitted by Sentence 3.1.8.12.(1).
Notes to Table 3.3.1.5.B.:
3.4.6.14. Sliding Doors (1) Except as permitted by Sentences (2) and 3.4.6.12.(4), an exit door leading directly to outdoors at ground level is permitted to be a sliding door provided it is released in conformance with Sentence 3.3.1.11.(1). (2) An exit door serving a Group B, Division 1 occupancy, or an impeded egress zone in other occupancies, is permitted to be a sliding door that does not conform to Sentence 3.3.1.11.(1) provided it is designed to be released in conformance with Article 3.3.1.12.
Notes to Table 3.3.1.5.B.:
3.4.6.15. Revolving Doors (1) Except as permitted by Sentence (3), a revolving door, if used, shall, (a) be collapsible, (b) have hinged doors providing equivalent exiting capacity located adjacent to it, (c) be used as an exit from the ground floor level only, (d) be not less than 3 m from the foot of any stairway, and (e) have all glass in door leaves and enclosure panels conforming to, (i) CAN/CGSB-12.1-M, “Tempered or Laminated Safety Glass”, or (ii) CAN/CGSB-12.11-M, “Wired Safety Glass”. (2) Except as permitted by Sentence (3), a revolving door shall not be considered to have an exiting capacity for more than 45 persons. (3) An electrically powered revolving door is not required to conform to Sentences (1) and (2) provided, (a) the door leaves will collapse and stop automatic rotation of the door system and not obstruct the doorway if a force not more than that specified in Sentence 3.4.6.16.(2) is applied at the centre of a door leaf, (b) the door leaves are capable of being opened from inside the building without requiring keys, special devices, or specialized knowledge of the door opening mechanism, (c) the allowable exiting capacity is based on the clear width of passage through the door enclosure when the doors are fully collapsed, (d) a permanent sign, whose centreline is between 1 000 mm and 1 500 mm above the floor, is placed on each face of each door leaf indicating the method for collapsing the door leaf in an emergency, and (e) glass used for door leaves and enclosure panels is safety glass conforming to, (i) CAN/CGSB-12.1-M, “Tempered or Laminated Safety Glass”, or (ii) CAN/CGSB-12.11-M, “Wired Safety Glass”.
Notes to Table 3.3.1.5.B.:
3.4.6.17. Reserved
Notes to Table 3.3.1.5.B.:
3.4.6.18. Emergency Crossover Access to Floor Areas (1) Except as permitted in Sentence (2), doors providing access to floor areas from exit stairs shall not have locking devices to prevent entry into any floor area from which the travel distance up or down to an unlocked door is more than 2 storeys. (2) Doors referred to in Sentence (1) are permitted to be equipped with electromagnetic locks provided they comply with Sentences 3.4.6.16.(4) and (5). (3) Doors referred to in Sentence (1) shall be identified by a permanently mounted sign on the stair side to indicate that they are openable from that side. (4) Locked doors intended to prevent entry into a floor area from an
exit stair shall, (a) be identified by a permanently mounted sign on the stair side to indicate the location of the nearest unlocked door in each direction of travel, and (b) be openable with a master key that fits all locking devices and is kept in a designated location accessible to firefighters or be provided with a wired glass panel not less than 0.0645 m2
in area and located not more than 300 mm from the door opening hardware. (5) Where access to a floor area is required by Sentence (1), access through unlocked doors to the floor area from at least one other exit shall also be provided. (6) 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 (4)(b) are complied with.
Notes to Table 3.3.1.5.B.:
3.4.6.19. Floor Numbering (1) Arabic numerals indicating the assigned floor number shall, (a) be mounted permanently on each side of doors to exit stair shafts, (b) be not less than 60 mm high, raised approximately 0.7 mm above the surface, (c) be located 1 500 mm from the finished floor, and (d) be contrasting in colour with the surface to which they are applied. (2) Upper case letters indicating the designation assigned to each exit stair shaft shall be mounted permanently on each side of doors to the exit stair shaft and shall, (a) be not less than 60 mm high, raised approximately 0.7 mm above the surface, (b) be located 1 500 mm from the finished floor, and (c) be contrasting in colour with the surface on which they are applied. 3.4.7. Fire Escapes
Notes to Table 3.3.1.5.B.:
3.4.7.1. Scope (1) Except as permitted by Sentence (2), fire escapes shall not be erected on a building. (2) If it is impracticable to provide one or more of the exit facilities listed in Article 3.4.1.4., fire escapes conforming to Articles 3.4.7.2. to 3.4.7.7. are permitted to serve floor areas in an existing building
provided the floor areas served are, (a) not in an elementary or secondary school or a retirement home, (b) not more than 2 storeys above ground level in care, care and treatment or detention occupancies, and (c) not more than 5 storeys above ground level in other occupancies.
Notes to Table 3.3.1.5.B.:
3.4.7.2. Fire Escape Construction (1) Fire escapes shall be of metal or concrete, of the stair type extending to ground level, constructed throughout in a strong substantial manner and securely fixed to the building, except that wooden fire escapes are permitted to be used on buildings
of combustible construction if all posts and brackets are not less than 89 mm in their least dimension and all other woodwork is not less than 38 mm in its least dimension.
Notes to Table 3.3.1.5.B.:
3.4.7.3. Access to Fire Escapes (1) Access to fire escapes shall be from corridors through doors at floor level, except that access from a dwelling unit
is permitted to be through a casement window having an unobstructed opening 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. (2) The clear area of a fire escape balcony onto which a door opens, shall be not less than 1 m2.
Notes to Table 3.3.1.5.B.:
3.4.7.4. Protection of Fire Escapes (1) If a fire escape serves any storey above the second, openings located in a zone described in Sentence (2), including access doorways in the exterior walls of the building
to which the fire escape is attached, shall be protected by closures conforming to Subsection 3.1.8. (2) The zone referred to in Sentence (1) extends from any balcony, platform or stairway of a fire escape to a distance, (a) 3 m horizontally, (b) 10 m below, and (c) 1 800 mm above.
Notes to Table 3.3.1.5.B.:
3.4.7.5. Stairs (1) Stairs shall be inclined at an angle of not more than 45° with the horizontal, and their steps shall have risers not more than 210 mm high and treads not less than 220 mm wide exclusive of nosing. (2) Stairway headroom shall be not less than 1 950 mm plus the height of one riser measured vertically above the nosing of any tread or platform. (3) The width of a fire escape shall conform to Articles 3.4.3.1., 3.4.3.2. and 3.4.3.4., except that the width is permitted to be reduced to 550 mm provided the fire escape serves, (a) not more than 3 storeys, and (b) not more than 15 persons. (4) If a flight leading to the ground at the foot of a fire escape is not fixed in position, it shall, (a) be held in the raised position without a latch or locking device, (b) be fitted with a counterbalancing device, (c) be easily and quickly brought into position for use, and (d) reach the ground in the lowered position.
Notes to Table 3.3.1.5.B.:
3.4.7.6. Guards and Railings (1) The open sides of every platform, balcony and stairway forming part of a fire escape shall be protected by guards not less than 920 mm high measured vertically above the nosing of any tread or platform. (2) The top rail of a guard is permitted to serve as a handrail if it is free from obstructions that could break a handhold. (3) A wall handrail shall be installed if the fire escape is more than 550 mm wide. (4) Openings through any guard that is required by Sentence (1) shall be of a size that will prevent the passage of a sphere having a diameter more than 100 mm unless it can be shown that the location and size of openings that exceed this limit do not represent a hazard. (5) Unless it can be shown that the location and size of openings do not present a hazard, a guard for a fire escape shall be designed so that no member, attachment or opening located between 140 mm and 900 mm above a platform or the nosing of any tread will facilitate climbing.
Notes to Table 3.3.1.5.B.:
3.4.7.7. Landings (1) Platforms for a fire escape shall be provided in conformance with the requirements for stair landings in Articles 3.4.6.3. and 3.4.6.4. Section 3.5. Vertical Transportation 3.5.1. General
Notes to Table 3.3.1.5.B.:
3.5.1.1. Scope (1) This Section applies to vertical transportation facilities installed in a building, including elevators, escalators and dumbwaiters. (2) Elevators in a building within the scope of Subsection 3.2.6. shall conform to Articles 3.2.6.4. and 3.2.6.5. 3.5.2. Elevator Requirements
Notes to Table 3.3.1.5.B.:
3.5.2.1. Required Elevator (1) Except as provided in Sentence (2), in a Group B, Division 2 or 3 occupancy, if sleeping rooms or patient or resident services are provided on more than one floor level and the floor levels are not connected by ramps conforming to Article 3.8.3.4., such floor levels shall be served by at least one elevator that is large enough to accommodate a stretcher in a horizontal position. (2) Sentence (1) does not apply to those parts of a floor area
classified as a Group B, Division 3 occupancy if, (a) those portions of the floor area contain sleeping accommodation for not more than 10 persons, and (b) not more than six occupants require assistance in evacuating in the case of an emergency.
Notes to Table 3.3.1.5.B.:
3.5.2.2. Barrier-Free Design (1) Passenger elevators shall conform to Appendix E of ASME A17.1 / CSA B44, “Safety Code for Elevators and Escalators”. 3.5.3. Fire Separations
Notes to Table 3.3.1.5.B.:
3.5.3.1. Fire Separations for Elevator Hoistways (1) Except as permitted by Sentence (2), a vertical service space used as an elevator hoistway shall be separated from all other portions of each adjacent storey by a fire separation having a fire-resistance rating conforming to Table 3.5.3.1. for the fire-resistance rating required by Subsection 3.2.2. for, (a) the floor assembly above the storey, or (b) the floor assembly below the storey, if there is no floor assembly above. Table 3.5.3.1.   Fire Separation for Vertical Transportation Space Forming Part of Sentences 3.5.3.1.(1) and 3.5.3.2.(1) Item   Column 1 Fire-Resistance Rating of Fire Separation Required for Floor Assembly   Column 2 Minimum Fire-Resistance Rating of Vertical Service Space for Elevator Hoistway   Column 3 Minimum Fire-Resistance Rating of Vertical Service Space for Dumbwaiters 

  1.   less than 45 min   45 min   --- 

  2.   45 min   45 min   45 min 

  3.   1 h   1 h   45 min 

  4.   1.5 h   1 h   1 h 

  5.   2 h or more   1.5 h   1 h (2) Passenger elevators, other than those provided for firefighters in accordance with Article 3.2.6.5., are permitted to be located within or adjacent to the opening of an interconnected floor space protected in conformance with the requirements of Articles 3.2.8.3. to 3.2.8.11., Sentences 3.2.8.2.(4) and (6) without being enclosed in a hoistway separated from the remainder of the interconnected floor space
provided the elevator machinery is located in a room separated from the remainder of the building by a fire separation whose fire-resistance rating is not less than that required for hoistways by Sentence (1). (3) Where the elevator described in Sentence (2) has doors opening into storeys above or below the interconnected floor space it shall be protected by vestibules conforming to the requirements of Sentence 3.2.8.5.(1).
Notes to Table 3.3.1.5.B.:
3.5.3.2. Vertical Service Spaces for Dumbwaiters (1) A vertical service space containing a dumbwaiter shall be separated from all other portions of each adjacent storey by a fire separation
having a fire-resistance rating conforming to Table 3.5.3.1. for the fire-resistance rating required by Subsection 3.2.2. for, (a) the floor assembly above the storey, or (b) the floor assembly below the storey, if there is no floor assembly above.
Notes to Table 3.3.1.5.B.:
3.5.3.3. Fire Separations for Elevator Machine Rooms (1) Except as permitted by Sentence (2), a room containing elevator machinery shall be separated from all other parts of the building
by a fire separation having a fire-resistance rating not less than that required for the vertical service space containing the elevator hoistway. (2) A room containing elevator machinery need not be separated from the elevator hoistway that it serves provided the room and the hoistway are separated from all other parts of the building by a
fire separation having a fire-resistance rating not less than that required for the vertical service space containing the elevator hoistway. 3.5.4. Dimensions and Signs
Notes to Table 3.3.1.5.B.:
3.5.4.1. Elevator Car Dimensions (1) If an elevator is installed to conform to the requirements of Article 3.3.1.7., or if one or more elevators are provided in a building
more than three storeys in building height, each storey having elevator service shall be served by at least one elevator that has inside dimensions that will accommodate and provide adequate access for a patient stretcher 2 010 mm long and 610 mm wide in the prone position. (2) An elevator satisfying the requirements of Sentence (1) shall be clearly identified on the main entrance level of the building. Section 3.6. Service Facilities 3.6.1. General
Notes to Table 3.3.1.5.B.:
3.6.1.1. Scope (1) The provisions of this Section apply to horizontal service spaces, vertical service spaces, attic or roof spaces, ducts, crawl spaces, shaft spaces, service rooms, and mechanical penthouses, and facilities contained in any of them. (2) Except for plenum requirements in 3.6.4.3., the fire safety characteristics of heating, ventilating and air-conditioning systems shall comply with Part 6.
Notes to Table 3.3.1.5.B.:
3.6.1.2. Reserved
Notes to Table 3.3.1.5.B.:
3.6.1.3. Storage Use Prohibition (1) Service spaces
shall not be designed to facilitate subsequent use as storage space.
Notes to Table 3.3.1.5.B.:
3.6.1.4. Reserved
Notes to Table 3.3.1.5.B.:
3.6.1.5. Fixed Access Ladders (1) If a fixed ladder is installed to provide access to a roof of a building, the design and installation of the attachment and anchorage system for the ladder shall be as described in MMAH Supplementary Standard SB-8, “Design, Construction and Installation of Anchorage System for Fixed Access Ladders”. 3.6.2. Service Rooms
Notes to Table 3.3.1.5.B.:
3.6.2.1. Fire Separations around Service Rooms (1) Except as permitted by Sentences (2) and (8) to (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. (2) 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. (3) A solid fuel fired 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, (a) 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, (b) it is supplied with combustion air directly from outside the building, and (c) the heat that it generates is supplied indirectly to the space served by means of ducts or piping. (4) 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. (5) 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. (6) Electrical equipment that is required to be located in a service room by a regulation made under the Electricity Act, 1998, 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. (7) Except as permitted by Sentence (8), in a storey
that is not sprinklered, 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. (8) If a service room referred to in Sentence (7) 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. (9) A fire separation is not required between a fireplace and the space it serves. (10) A fire separation is not required between a rooftop appliance and the building it serves. (11) The fire separation provisions for a fuel-fired
appliance in a portable classroom shall conform to Article 3.9.3.7.
Notes to Table 3.3.1.5.B.:
3.6.2.2. Service Rooms under Exits (1) 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.
Notes to Table 3.3.1.5.B.:
3.6.2.3. Service Equipment (1) 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.
Notes to Table 3.3.1.5.B.:
3.6.2.4. Incinerator Rooms (1) A service room containing an incinerator shall not contain other fuel-fired appliances.
Notes to Table 3.3.1.5.B.:
3.6.2.5. Combustible Refuse Storage (1) Except as required by Sentence 3.6.3.3.(9), a room for the storage of combustible refuse shall be, (a) separated from the remainder of the building by a fire separation with a fire-resistance rating not less than 1 h, and (b)  sprinklered.
Notes to Table 3.3.1.5.B.:
3.6.2.6. Door Swing for Service Rooms (1) 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.
Notes to Table 3.3.1.5.B.:
3.6.2.8. Emergency Power Installations (1) Where a generator intended to supply emergency power for lighting, fire safety and life safety systems is located in a building, it shall be located in a room that, (a) is separated from the remainder of the building by a fire separation with a fire-resistance rating not less than, (i) 2 h for buildings within the scope of Subsection 3.2.6., and (ii) 1 h for other buildings, and (b) contains only the generating set and equipment that is related to the emergency power supply system.
Notes to Table 3.3.1.5.B.:
3.6.2.9. Storage of Oxygen Containers (1) In a Group B, Division 2 or 3 occupancy or in a retirement home, a room for the storage of oxygen containers shall be, (a) separated from the remainder of the building by a fire separation having a fire-resistance rating
not less than 1 h, (b) designed for the storage of oxygen containers only, (c) vapour tight, (d) lined with noncombustible
finish, (e) separately exhausted to the exterior, and (f) equipped with racks to store the containers. 3.6.3. Vertical Service Spaces and Service Facilities
Notes to Table 3.3.1.5.B.:
3.6.3.1. Fire Separations for Vertical Service Spaces (1) Except as provided in Section 3.5. and Articles 3.6.3.3. and 3.6.3.5., a vertical service space shall be separated from all other portions of each adjacent storey
by a fire separation having a fire-resistance rating conforming to Table 3.6.3.1. for the fire-resistance rating required by Subsection 3.2.2. for, (a) the floor assembly above the storey, or (b) the floor assembly below the storey, if there is no floor assembly above. Table 3.6.3.1.   Fire Separations for Vertical Service Space Forming Part of Clause 3.2.9.2.(9)(b) and Sentence 3.6.3.1.(1) Item   Column 1 Fire-Resistance Rating of Fire Separation Required for Floor Assembly   Column 2 Minimum Fire-Resistance Rating of Vertical Service Space 

  1.   less than 45 min   --- 

  2.   45 min   45 min 

  3.   1 h   45 min 

  4.   1.5 h   1 h 

  5.   2 h or more   1 h (2) A vertical service space that does not extend through the roof of a building shall be enclosed at the top with construction having a fire-resistance rating not less than that required for the vertical service space walls. (3) A vertical service space that does not extend to the bottom of a building shall be enclosed at the lowest level with construction having a fire-resistance rating not less than that required for the vertical service space walls. (4) A vent from a vertical service space not extending to the roof shall be enclosed within the building
with construction having a fire-resistance rating
not less than that required for the vertical service space
walls. (5) Only openings that are necessary for the use of the vertical service space shall be permitted through a vertical service space enclosure.
Notes to Table 3.3.1.5.B.:
3.6.3.2. Foamed Plastic Protection (1) Foamed plastic insulation in a vertical service space shall be protected in conformance with Article 3.1.5.12A.
Notes to Table 3.3.1.5.B.:
3.6.3.3. Linen and Refuse Chutes (1) A linen chute or refuse chute shall, (a) be impervious to moisture, (b) have a smooth internal surface, (c) be corrosion-resistant, (d) be constructed of noncombustible material, and (e) be located in a shaft in which there are no services other than noncombustible
drain, waste and vent piping or noncombustible water piping. (2) A shaft containing a linen chute or refuse chute shall have a fire-resistance rating conforming to Sentence 3.6.3.1.(1), but not less than, (a) 1 h if the chute outlet for the discharge room is protected by an automatic, self-latching closure held open by a fusible link, or (b) 2 h if no closure
is provided at the chute outlet into the discharge room. (3) An interior linen chute or refuse chute shall extend not less than 1 m above the roof and shall be vented above the roof with a vent that, (a) has an unobstructed area not less than the cross-sectional area of the chute, and (b) is equipped with a cover that will open automatically, or that can be opened manually, in the event of a fire in the chute. (4) Intake openings for a linen chute or a refuse chute shall, (a) have an area not more than 60% of the cross-sectional area of the chute, and (b) be fitted with closures designed to close automatically and latch after use. (5) Intake openings for a linen chute or a refuse chute shall be located in rooms or compartments that, (a) have no dimension less than 750 mm, (b) are separated from the remainder of the building by a fire separation with a fire-resistance rating not less than 45 min, (c) are designed for no other purpose, and (d) do not open directly into an exit. (6) Sprinklers shall be installed at the top of each linen chute or refuse chute, at alternate floor levels and in the room or bin into which the chute discharges. (7) The room into which a linen chute discharges shall be separated from the remainder of the building by a fire separation with a fire-resistance rating not less than 1 h. (8) A refuse chute shall be equipped at the top with spray equipment for washing-down purposes. (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 not less than 2 h. (10) The room or bin into which a refuse chute discharges shall be of sufficient size to contain the refuse between normal intervals of emptying, be impervious to moisture and be equipped with a water connection and floor drain for washing-down purposes. (11) A room into which a refuse chute discharges shall contain no service equipment that is not related to refuse handling and disposal.
Notes to Table 3.3.1.5.B.:
3.6.3.4. Exhaust Duct Negative Pressure (1) If a vertical service space contains an exhaust duct that serves more than one fire compartment, the duct shall have a fan located at or near the exhaust outlet to ensure that the duct is under negative pressure.
Notes to Table 3.3.1.5.B.:
3.6.3.5. Grease Duct Enclosures (1) Except as provided in Sentence (2), fire separations
enclosing grease ducts for commercial cooking operations shall conform to NFPA 96, “Ventilation Control and Fire Protection of Commercial Cooking Operations”. (2) The fire-resistance rating of field-applied and factory-built grease duct enclosure assemblies shall be determined in conformance with CAN/ULC-S144, “Fire Resistance Test - Grease Duct Assemblies”. 3.6.4. Horizontal Service Spaces and Service Facilities
Notes to Table 3.3.1.5.B.:
3.6.4.1. Scope (1) This Subsection applies to horizontal service spaces and service facilities, including ceiling spaces, duct spaces, crawl spaces and attic or roof spaces.
Notes to Table 3.3.1.5.B.:
3.6.4.2. Fire Separations for Horizontal Service Spaces (1) Except as provided in Article 3.6.3.5., 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) If a horizontal service space or other concealed space is located above a required vertical fire separation
other than a vertical shaft, this space need not be divided at the fire separation as required by Article 3.1.8.3. provided the construction between this space and the space below is a fire separation with a fire-resistance rating equivalent to that required for the vertical fire separation, except that the fire-resistance rating is permitted to be not less than 30 min if the vertical fire separation is not required to have a fire-resistance rating more than 45 min.
Notes to Table 3.3.1.5.B.:
3.6.4.3. Plenum Requirements (1) A concealed space used as a plenum
within a floor assembly or within a roof assembly need not conform to Sentence 3.1.5.15.(1) and Article 6.2.3.2. provided, (a) all materials within the concealed space have a flame-spread rating not more than 25 and a smoke developed classification not more than 50, except for, (i) tubing for pneumatic controls, (ii) optical fibre cables and electrical wires and cables that exhibit a flame spread not more than 1.5 m, a smoke density not more than 0.5 at peak optical density and a smoke density not more than 0.15 at average optical density when tested in conformance with the Flame and Smoke Test in the Appendix to CSA C22.2 No. 0.3, “Test Methods for Electrical Wires and Cables”, (FT6 Rating), (iii) optical fibre cables and electrical wires and cables that are located in totally enclosed noncombustible raceways, (iv) totally enclosed nonmetallic raceways that exhibit a horizontal flame distance of not more than 1.5 m, an average optical smoke density of not more than 0.15 and a peak optical smoke density of not more than 0.5 when tested in conformance with CAN/ULC-S102.4, “Fire and Smoke Characteristics of Electrical Wiring, Cables and Non-Metallic Raceways”, (FT6 Rating), (iv.1) totally enclosed nonmetallic raceways with an FT6 rating, when tested in accordance with Clause 3.1.5.20.(1)(a), in buildings required to be of noncombustible construction or in buildings
or parts of buildings permitted to be of encapsulated mass timber construction, and (v) single conductor electrical wires and cables that exhibit a vertical char of not more than 1.5 m when tested in conformance with the Vertical Flame Test —Cables in Cabletrough in Clause 4.11.4. of CSA C22.2 No. 0.3, “Test Methods for Electrical Wires and Cables”, (FT4 Rating), and (b) the supports for the ceiling membrane are of noncombustible material having a melting point not below 760°C. (2) If a concealed space referred to in Sentence (1) is used as a return-air plenum and incorporates a ceiling membrane that forms part of the required fire-resistance rating of the assembly, every opening through the membrane shall be protected by a fire stop flap that shall, (a) stop the flow of air into the concealed space in the event of a fire, (b) be supported in a manner that will maintain the integrity of the ceiling membrane for the duration of time required to provide the required fire-resistance rating, (c) conform to CAN/ULC-S112.2, “Fire Test of Ceiling Firestop Flap Assemblies”, and (d) activate at a temperature approximately 30°C above the normal maximum temperature that occurs in the return-air plenum, whether the air duct system is operating or shut down. (3) Revoked: O. Reg. 88/19, s. 92 (3).
Notes to Table 3.3.1.5.B.:
3.6.4.4. Attic or Roof Space Access (1) An attic or roof space more than 600 mm high shall be provided with access from the floor immediately below by a hatchway not less than 550 mm by 900 mm or by a stairway.
Notes to Table 3.3.1.5.B.:
3.6.4.5. Horizontal Service Space Access (1) A horizontal service space, consisting of ceiling and duct spaces, that is more than 1 200 mm high and 600 mm wide shall have inspection doors not less than 300 mm in both horizontal and vertical dimensions placed so that the entire interior of the duct or space can be viewed.
Notes to Table 3.3.1.5.B.:
3.6.4.6. Crawl Space Access (1) A crawl space shall have at least one access opening not less than 550 mm by 900 mm. Section 3.7. Health Requirements 3.7.1. Height and Area of Rooms
Notes to Table 3.3.1.5.B.:
3.7.1.1. Room and Space Height (1) The height of every room and space shall be sufficient so that the ceiling or ceiling fixtures do not obstruct movement or activities below. (2) The unobstructed height in dwelling units
and sleeping rooms in Group C occupancies shall conform to Subsection 9.5.3.
Notes to Table 3.3.1.5.B.:
3.7.1.2. Residential Room Dimensions (1) The areas of rooms in dwelling units, dormitories, boarding houses and rooming houses shall conform to Part 9.
Notes to Table 3.3.1.5.B.:
3.7.1.3. Sleeping Areas in Group B and Child Care Facilities (1) Except as provided in Sentence (2), a sleeping area in a Group B occupancy shall provide not less than 4.7 m2
per person in a room having, (a) an area not less than 7 m2, (b) a horizontal dimension not less than 2 000 mm, and (c) a ceiling height not less than 2 300 mm. (2) Sleeping rooms for residents in long-term care homes shall have, exclusive of space provided for washrooms and for built-in or portable clothes closets, a floor space not less than, (a) 10.22 m2 in a single-bed unit, (b) 16.72 m2 in a two-bed unit, (c) 25.08 m2 in a three-bed unit, and (d) 29.73 m2 in a four-bed unit. (3) A child care facility shall provide sleeping accommodation having not less than 0.93 m2 of floor surface area for each child with not less than 2 300 mm ceiling height over the entire room area.
Notes to Table 3.3.1.5.B.:
3.7.1.4. Sleeping Areas in Camps (1) Recreational camps shall have an area in the sleeping quarters of not less than 3.72 m2
per camper or, if double or triple tier bunk units are used, 2.79 m2
per camper. (2) A camp for housing of workers shall have an area of not less than 3.72 m2 per employee in every room used for sleeping purposes. 3.7.2. Windows
Notes to Table 3.3.1.5.B.:
3.7.2.1. Window Areas (1) Except as provided in Sentences (2) and (3) or otherwise permitted, every room used for sleeping in any building, and every principal room such as living room, dining room or combination of them in
dwelling units shall be provided with windows having areas conforming to Part 9, except that Article 9.9.10.1. does not apply. (2) Long-term care homes shall have, (a) in an activity room, a sitting room or a lounge, one or more windows with a total unobstructed glass area, exclusive of skylights, of not less than 10% of the area of the room, and (b) in a residents’ sleeping room, one or more windows that, (i) have a total unobstructed glass area, exclusive of skylights, of not less than 10% of the area of the room, (ii) open to the outdoors and have a total unobstructed glass area, exclusive of skylights, of not less than 5% of the area of the room, and (iii) are installed with the bottom edge of the glass of every window not more than 660 mm above the floor. (3) Play activity rooms in a child care facility and work areas in live/work units shall have one or more windows that conform to Clause (2)(a). 3.7.3. Reserved 3.7.4. Plumbing Facilities
Notes to Table 3.3.1.5.B.:
3.7.4.1. Plumbing and Drainage Systems (1) Except as permitted in Sentence (3), each building
situated on property that abuts on a street in which a public or municipal water main is located shall be provided with or have accessible to its occupants a plumbing system
including a potable water supply, a sanitary drainage system and plumbing fixtures. (2) When the installation of a sanitary drainage system is not possible because of the absence of a water supply, sanitary privies, chemical closets or other means for the disposal of human waste shall be provided. (3) Plumbing fixtures need not be provided in a building
that is not normally occupied by persons where such installations are impractical and other fixtures are available in nearby
buildings when the subject building
is in use.
Notes to Table 3.3.1.5.B.:
3.7.4.2. Plumbing Fixtures, General (1) For the purposes of this Subsection, the occupant load shall be determined in accordance with the provisions in Subsection 3.1.17. except that in a Group D occupancy, the area per person shall be 14 m2. (2) Except as provided in this Subsection, water closets shall be provided for each sex assuming that the occupant load
is equally divided between males and females, unless the proportion of each sex expected in the building can be determined with reasonable accuracy. (3) Except as provided in Sentence (4), urinals are permitted to be substituted for water closets required by this Subsection for males and may be counted as water closets provided the number of urinals is not more than, (a) one-fifth of the required number of water closets in hospitals and long-term care homes, and (b) two-thirds of the required number of water closets in any other occupancy. (4) If only two water closets are required for males, one urinal is permitted to be substituted for one of the water closets. (5) Except as required in this Subsection, at least one lavatory shall be provided in a room containing one or two water closets or urinals, and at least one additional lavatory shall be provided for each additional two water closets or urinals. (6) Wash fountains in circular or straight trough form are permitted to be provided in lieu of required lavatories provided each 500 mm of circumference or trough length is considered to be the equivalent of one lavatory. (7) The water closet and lavatory provided in the universal washroom described in Sentence 3.8.3.12.(1) may be counted as part of the plumbing fixtures required for males and females in this Subsection if, (a) more than one water closet is required for males, and (b) more than one water closet is required for females. (8) Where one water closet is required for males and one water closet is required for females, the following may be provided in lieu of the water closets otherwise required by this Subsection: (a) one universal washroom conforming to Sentence 3.8.3.12.(1), and (b) one washroom containing one water closet that is permitted to be used by both sexes provided the door to the room can be locked from the inside. (9) Both sexes are permitted to be served by a single water closet if the occupant load is not more than 10 persons in an assembly occupancy referred to in Article 3.7.4.3. except for, (a) elementary and secondary schools, (b) child care facilities, (c) places of worship, and (d) undertaking premises. (10) Any shelf or projection above a lavatory shall be located so that it will not be a hazard. (11) Except for dwelling units, lavatories required by Sentence (5) shall be equipped with faucets that, (a) operate automatically, or (b) have a manual control that, (i) has a lever type handle or is otherwise operable with a closed fist, (ii) does not require the application of continuous force to maintain water flow, and (iii) where metered, provides at least 10 s of water flow.
Notes to Table 3.3.1.5.B.:
3.7.4.4. Plumbing Fixtures for Care, Care and Treatment or Detention Occupancies (1) The number of water closets and lavatories required for Group B, Division 1 occupancies shall be determined on the basis of the special needs of these occupancies. (2) In a Group B, Division 2 or 3 occupancy, washrooms shall be provided so that each washroom, (a) serves not more than four patients or residents, (b) is accessible from patients’ or residents’ sleeping rooms, (c) contains one water closet, and (d) contains one lavatory. (3) The number of water closets required for employees in Group B, Division 2 or 3 occupancies shall conform to Table 3.7.4.4. Table 3.7.4.4.   Water Closets in Group B, Division 2 or 3 Occupancies Forming Part of Sentence 3.7.4.4.(3) Item   Column 1 Number of Persons of Each Sex   Column 2 Minimum Number of Water Closets for Each Sex 

  1.   up to 9   1 

  2.   10 to 24   2 

  3.   25 to 49   3 

  4.   50 to 74   4 

  5.   75 to 100   5 

  6.   over 100   6 plus 1 for each additional increment of 30 persons of each sex in excess of 100
Notes to Table 3.3.1.5.B.:
3.7.4.5. Plumbing Facilities for Dwelling Units (1) A dwelling unit where a piped water supply is available shall be provided with a, (a) kitchen sink, (b) lavatory, (c) water closet or drainless composting water closet, and (d) bathtub or shower stall.
Notes to Table 3.3.1.5.B.:
3.7.4.6. Plumbing Fixtures for Other Residential Occupancies (1) Except for dwelling units and as provided in Sentence (2), the number of water closets required for residential occupancies shall conform to Table 3.7.4.6. Table 3.7.4.6.   Water Closets For Residential Occupancies Forming Part of Sentence 3.7.4.6.(1) Item   Column 1 Number of Persons of Each Sex   Column 2 Minimum Number of Water Closets for Each Sex 

  1.   up to 9   1 

  2.   10 to 24   2 

  3.   25 to 49   3 

  4.   50 to 74   4 

  5.   75 to 100   5 

  6.   over 100   6 plus 1 for each additional increment of 30 persons of each sex in excess of 100 (2) At least one water closet or privy shall be provided for every, (a) 10 campers of each sex in a recreational camp, and (b) 10 employees of each sex in a camp for housing of workers. (3) In recreational camps and camps for housing of workers, no fewer than two lavatories or provision for a pail or other portable container of sound construction shall be provided for each of the water closets or privies required in Sentence (2). (4) A camp for housing of workers shall include, (a) at least one shower or other area of bathing, and (b) provisions for at least one washing machine or laundry tub for every 15 beds.
Notes to Table 3.3.1.5.B.:
3.7.4.7. Plumbing Fixtures for Business and Personal Services Occupancies (1) Except as provided in Sentence (2), the number of water closets required for business and personal services occupancies
shall conform to Table 3.7.4.7. (2) Not more than one water closet to serve both sexes need be provided in a Group D occupancy having an occupant load of not more than 10 persons. Table 3.7.4.7.   Water Closets for Business and Personal Services Occupancies Forming Part of Sentence 3.7.4.7.(1) Item   Column 1 Number of Persons of Each Sex   Column 2 Minimum Number of Water Closets for Each Sex 

  1.   up to 9   1 

  2.   10 to 24   2 

  3.   25 to 49   3 

  4.   50 to 74   4 

  5.   75 to 100   5 

  6.   over 100   6 plus 1 for each additional increment of 30 persons of each sex in excess of 100
Notes to Table 3.3.1.5.B.:
3.7.4.8. Plumbing Fixtures for Mercantile Occupancies (1) Except as provided in this Article, the number of water closets required for employees in mercantile occupancies
shall conform to Table 3.7.4.8. Table 3.7.4.8.   Water Closets for Mercantile Occupancies Forming Part of Sentence 3.7.4.8.(1) Item   Column 1 Number of Persons of Each Sex   Column 2 Minimum Number of Water Closets for Each Sex 

  1.   up to 9   1 

  2.   10 to 24   2 

  3.   25 to 49   3 

  4.   50 to 74   4 

  5.   75 to 100   5 

  6.   over 100   6 plus 1 for each additional increment of 30 persons of each sex in excess of 100 (2) Except as provided in Sentence (4), the number of water closets required for the public in mercantile occupancies
shall be at least one fixture for each 300 males and one fixture for each 150 females, except that, (a) water closets provided for employees are permitted to be counted as part of those required for the public when these water closets are made accessible to the public, and (b) where the total area of the mercantile occupancy, excluding basements, is not more than 600 m2, not more than one water closet for each sex need be provided. (3) Not more than one water closet to serve both sexes need be provided in a Group E occupancy where, (a) the occupant load is not more than nine persons, or (b) where the total area of the occupancy, excluding basements, is not more than 300 m2. (4) For a restaurant classified as mercantile occupancy, the number of water closets and lavatories required shall conform to Article 3.7.4.3.
Notes to Table 3.3.1.5.B.:
3.7.4.9. Plumbing Fixtures for Industrial Occupancies (1) Except as provided in Sentence (2), the number of water closets and lavatories required for industrial occupancies
shall conform to Table 3.7.4.9. Table 3.7.4.9.   Plumbing Fixtures for Industrial Occupancies Forming Part of Sentence 3.7.4.9.(1) Item   Column 1 Number of Persons of Each Sex   Column 2 Minimum Number of Water Closets and Lavatories for Each Sex 

  1.   up to 9   1 

  2.   10 to 24   2 

  3.   25 to 49   3 

  4.   50 to 74   4 

  5.   75 to 100   5 

  6.   over 100   6 plus 1 for each additional increment of 30 persons of each sex in excess of 100 (2) Not more than one water closet to serve both sexes need be provided in a Group F occupancy where, (a) the occupant load is not more than 10 persons, or (b) the total area of the occupancy, excluding basements, is not more than 300 m2.
Notes to Table 3.3.1.5.B.:
3.7.4.10. Plumbing Fixtures for Mobile Home Facilities (1) If mobile homes do not have individual plumbing facilities connected to a central water supply and drainage system, a service building
shall be provided for public use. (2) The service building required by Sentence (1) shall contain, (a) at least one water closet for each sex if the service building facilities serve not more than 10 mobile homes, and (b) an additional water closet for each sex for each additional 10 mobile homes. (3) If a service building is required by Sentence (1) it shall contain lavatories as required by Sentence 3.7.4.2.(5) and at least, (a) one laundry tray or similar facility, and (b) one bathtub or shower for each sex.
Notes to Table 3.3.1.5.B.:
3.7.4.11. Safety Glass (1) Glass, other than safety glass, shall not be used for a shower or bathtub enclosure.
Notes to Table 3.3.1.5.B.:
3.7.4.12. Surface Protection (1) Wall and floor surfaces below the uppermost surfaces of urinals shall be protected from deterioration by impervious and durable material for a distance from the urinal to a point not less than 900 mm from the projected outline of the urinal on to the wall or floor. (2) Floor surfaces around a water closet shall be protected from deterioration by impervious and durable material for a distance not less than 900 mm from the projected outline of the water closet on to the floor.
Notes to Table 3.3.1.5.B.:
3.7.4.13. Floor Drains (1) A floor drain shall be installed in a washroom for public use that contains a urinal or a water closet equipped with an automatic flushing device.
Notes to Table 3.3.1.5.B.:
3.7.4.14. Grab Bar Installation (1) Grab bars that are installed shall resist a minimum load of 1.3 kN applied vertically or horizontally.
Notes to Table 3.3.1.5.B.:
3.7.4.15. Clearances for Water Closets (1) Except in a dwelling unit
and except as required by Section 3.8., a minimum clearance of 380 mm shall be provided in front of a water closet.