jswizzle3737/ontario_laws_and_regs huggingface dataset:
Note to Table 3.1.13.7.:
3.3.1.5. Egress Doorways (1) Except for dwelling units, a minimum of 2 egress doorways located so that one doorway could provide egress from the room or suite as required by Article 3.3.1.3. if the other doorway becomes inaccessible to the occupants due to a fire that originates in the room or suite, shall be provided for every room and every suite, (a) whose area is more than 15 m2 and is used for, (i) a high hazard industrial occupancy, or (ii) a hazardous room, (b) intended for an occupant load more than 60, (c) in a floor area that is not sprinklered if, (i) the area of a room or suite is more than the value in Table 3.3.1.5.A., or (ii) the travel distance within the room or suite to the nearest egress doorway, is more than the value in Table 3.3.1.5.A., (d) in a floor area that is sprinklered and does not contain a high hazard industrial occupancy if, (i) the travel distance to an egress doorway is more than 25 m, or (ii) the area of the room or suite is more than the value in Table 3.3.1.5.B., or (e) where the area of the room is more than 100 m2 and it is a hazardous classroom in elementary or secondary school. Table 3.3.1.5.A.   Egress in Floor Area, not Sprinklered Forming Part of Sentence 3.3.1.5.(1)  Column 1

Column 2

Column 3


Occupancy of Room or Suite

Maximum Area of Room or Suite, m2

Maximum Distance to Egress Doorway, m


Group A

150

15


Group C

150(1)

25(1) 


Group D

200

25


Group E

200

25


Group F, Division 2

200

25


Group F, Division 3

200

25
Note to Table 3.3.1.5.B.:
3.3.1.6. Travel Distance (1) If more than one egress doorway is required from a room or suite referred to in Article 3.3.1.5., the travel distance within the room or suite to the nearest egress doorway shall not exceed the maximum travel distances specified in Clauses 3.4.2.5.(1)(a), (b), (c) and (f) for exits.
Note to Table 3.3.1.5.B.:
3.3.1.7. Protection on Floor Areas with a Barrier-Free Path of Travel (1) Except as provided in Sentences (2) and (3), every floor area above or below the first storey that has a barrier-free path of travel shall, (a) be served by an elevator, (i) conforming to Sentences 3.2.6.5.(4) to (6), (ii) protected against fire in conformance with Clause 3.2.6.5.(3)(b) or (c), and (iii) in a building over 3 storeys in building height, protected against smoke movement so that the hoistway will not contain more than 1% by volume of contaminated air from a fire floor during a period of 2 h after the start of a fire, assuming an outdoor temperature equal to the January design temperature on a 2.5% basis determined in conformance with Supplementary Standard SB-1, or (b) be divided into at least 2 zones by fire separations conforming to Sentences (4) to (6) so that, (i) persons with physical disabilities can be accommodated in each zone, (ii) the travel distance from any point in one zone to a doorway leading to another zone shall be not more than the value for travel distance permitted by Sentence 3.4.2.5.(1) for the occupancy classification of the zone, and (iii) a barrier-free path of travel is provided to an exit. (2) In residential occupancies, the requirements of Sentence (1) are waived if a balcony conforming to Sentence (7) is provided for each suite, except for suites on the storey containing the barrier-free entrance described in Article 3.8.1.2. (3) The requirements of Sentences (1) and (2) are waived when the building is sprinklered. (4) Except as permitted by Sentence (5), the fire separations referred to in Clause (1)(b) shall have a fire-resistance rating not less than 1 h. (5) The fire-resistance rating of the fire separations referred to in Clause (1)(b) is permitted to be less than 1 h but not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (6) A door acting as a closure in a fire separation referred to in Clause (1)(b) shall be weatherstripped or otherwise designed and installed to retard the passage of smoke. (7) A balcony required by Sentence (2) shall, (a) be provided with a door way having a clear width of not less that 800 mm when the door is in the open position, (b) have no projection above the walking surface more than 13 mm, (c) be not less than 1 500 mm deep from the outside face of the exterior wall to the inside edge of the balcony, and (d) provide not less than 0.5 m2 for each occupant of the suite.
Note to Table 3.3.1.5.B.:
3.3.1.8. Headroom Clearance (1) Except within the floor area of a storage garage, the minimum headroom clearance in every access to exit shall conform to the requirements of Article 3.4.3.5. for exits.
Note to Table 3.3.1.5.B.:
3.3.1.10. Door Swing (1) Except as permitted by Article 3.3.1.11., a door that opens into a corridor or other facility providing access to exit from a suite, or a room not located within a suite, shall swing on a vertical axis. (2) Except as permitted by Article 3.3.1.11., a door that opens into a corridor or other facility providing access to exit from a room or suite shall swing in the direction of travel to the exit if the room or suite is used or intended for, (a) an occupant load more than 60, (b) a high hazard industrial occupancy, or (c) a hazardous classroom in an elementary or secondary school. (3) Every door that divides a corridor that is not wholly contained within a suite shall swing on a vertical axis in the direction of travel to the exit where the corridor provides access to exit for, (a) an occupant load more than 60, (b) a high hazard industrial occupancy, (c) a hazardous classroom in an elementary or secondary school, or (d) a Group B, Division 2 or 3 occupancy. (4) If a pair of doors is installed in a corridor that provides access to exit in both directions, the doors shall swing in opposite directions, with the door on the right hand side swinging in the direction of travel to the exit.
Note to Table 3.3.1.5.B.:
3.3.1.11. Sliding Doors (1) Except as permitted by Sentence (2), a sliding door provided in the locations described in Article 3.3.1.10. shall, (a) be designed and installed to swing on the vertical axis in the direction of travel to the exit when pressure is applied, and (b) be identified as a swinging door by means of a label or decal affixed to it. (2) In a Group B, Division 1 occupancy, or in an impeded egress zone in other occupancies, sliding doors used in an access to exit need not conform to Sentence (1) and Article 3.3.1.10. (3) Movable partitions used to separate a public corridor from an adjacent business and personal services occupancy or a mercantile occupancy need not conform to Sentence (1) and Sentences 3.3.1.10.(1) and (2) provided the partitions are not located in the only means of egress
Note to Table 3.3.1.5.B.:
3.3.1.12. Doors and Door Hardware (1) A door that opens into or is located within a public corridor or other facility that provides access to exit from a suite shall, (a) provide a clear opening of not less than 800 mm if there is only one door leaf, (b) in a doorway with multiple leaves, have the active leaf providing a clear opening of not less than 800 mm, and (c) not open onto a step. (2) A door in an access to exit shall be readily openable in travelling to an exit without requiring keys, special devices or specialized knowledge of the door opening mechanism, except that this requirement does not apply to a door serving a contained use area, or an impeded egress zone, provided the locking devices conform to Sentence (6). (3) Except as permitted by Sentence (4), door release hardware shall be operable by one hand and the door shall be openable with not more than one releasing operation. (4) An egress door from an individual dwelling unit or from a suite of residential occupancy is permitted to be provided with additional devices that require a releasing operation additional to the main door release hardware, provided the devices are readily operable from the inside without the use of keys, special devices or specialized knowledge. (5) Door release hardware shall be installed not more than 1 200 mm above the finished floor. (6) An egress door in an access to exit serving a contained use area or an impeded egress zone is permitted to be equipped with locking devices that can be released either locally or remotely in conformance with Sentence (7) or Sentence (8). (7) Local locking devices permitted by Sentence (6) shall be operable by a key from both sides of the door. (8) Controls for the remote release of door locking devices permitted by Sentence (6) shall be located in an area readily available to security personnel. (9) Locking devices permitted by Sentence (6) that are electrically operated shall be, (a) designed to operate on emergency power, and (b) capable of manual release by security personnel. (10) A door in an access to exit is permitted to be equipped with an electromagnetic locking device conforming to Sentence 3.4.6.15.(4), except that this permission does not apply to a door, (a) in an elementary or secondary school, (b) a door leading from a Group F, Division 1 occupancy, or (c) except as provided in Sentence (11), requiring a latch release device by Article 3.3.2.6. (11) A door in an access to exit in a gaming premise is permitted to be equipped with an electromagnetic locking device conforming to Sentences 3.4.6.15.(4) and (7). (12) Except as required in Article 3.3.3.4., in a Group B, Division 2 or 3 occupancy, every door that opens into or is located within a corridor or other facility that provides access to exit shall comply with Sentences (1) and (2) where the door, (a) serves a service room, (b) serves an administrative area, (c) will not be used by non-ambulatory outpatients, (d) is located within a patient’s or resident’s sleeping room, or (e) is in a nursing home or home for the aged that will accommodate only ambulatory residents.
Note to Table 3.3.1.5.B.:
3.3.1.13. Ramps and Stairways (1) Except as permitted by Sentence (2), Article 3.3.4.7., and Subsection 3.3.2., ramps and stairways that do not serve as exits shall conform to the dimensional, guard, handrail and slip-resistance requirements for exit ramps and stairways of Sentence 3.4.3.2.(7), and Articles 3.4.3.5., and 3.4.6.1. to 3.4.6.8. (2) Ramps and stairways that do not conform to the requirements of Sentence (1) and are intended only for occasional use for servicing equipment and machinery are permitted, (a) to serve service rooms and service spaces, and (b) in industrial occupancies.
Note to Table 3.3.1.5.B.:
3.3.1.14. Exterior Passageways (1) An exterior passageway leading to a required exit shall conform to the requirements of Section 3.4. for exterior exit passageways.
Note to Table 3.3.1.5.B.:
3.3.1.15. Curved or Spiral Stairs (1) A curved or spiral stair is permitted in a stairway not required as an exit provided the stair has, (a) treads with, (i) a minimum run not less than 150 mm, and (ii) an average run not less than 200 mm, and (b) risers in conformance with Sentence 3.4.6.7.(2).
Note to Table 3.3.1.5.B.:
3.3.1.16. Capacity of Access to Exits (1) The capacity of an access to exit shall be based on the occupant load of the portion of the floor area served. (2) In an access to exit the required width of ramps with a slope not more than 1 in 8, doorways, and corridors shall be based on not less than 6.1 mm per person. (3) In an access to exit the required width of a ramp with a slope more than 1 in 8 shall be based on not less than 9.2 mm per person. (4) In an access to exit from a floor area used or intended to be used for patients or residents in a Group B, Division 2 or Division 3 occupancy, the required width of corridors, doorways, and ramps shall be based on not less than 18.4 mm per person. (5) The capacity of stairs in an access to exit shall conform to the requirements for stairs in Article 3.4.3.2.(1) to (3).
Note to Table 3.3.1.5.B.:
3.3.1.17. Guards (1) Except as provided in Sentence (6) and Articles 3.3.2.8. and 3.3.4.7., a guard not less than 1 070 mm high shall be provided, (a) around each roof to which access is provided for other than maintenance, (b) at openings into smoke shafts referred to in Subsection 3.2.6. that are less than 1 070 mm above the floor, and (c) at each raised floor, mezzanine, balcony, gallery, interior or exterior vehicular ramp, and at other locations where the difference in level is more than 600 mm. (2) Except as provided in Sentence (3) and Sentence 3.3.2.8.(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. (3) Openings through any guard that is required by Sentence (1) and that is installed in a building of industrial occupancy shall be of a size which will prevent the passage of a sphere having a diameter more than 200 mm unless it can be shown that the location and size of openings that exceed this limit do not represent a hazard. (4) Openings through any guard that is not required by Sentence (1) and that serves a building of other than industrial occupancy, shall be of a size that, (a) will prevent the passage of a sphere having a diameter more than 100 mm, or (b) will permit the passage of a sphere having a diameter more than 200 mm unless it can be shown that the location and size of openings that exceed these limits 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 shall be designed so that no member, attachment or opening located between 140 mm and 900 mm above the level protected by the guard will facilitate climbing. (6) Sentence (1) does not apply at the front edges of stages, floor pits in repair garages and loading docks.
Note to Table 3.3.1.5.B.:
3.3.1.18. Transparent Doors and Panels (1) Except for dwelling units and as permitted by Sentence (4), a glass or transparent door shall be designed and constructed so that the existence and position of the door is readily apparent, by attaching non-transparent hardware, bars or other permanent fixtures to it. (2) A glass door shall be constructed of, (a) laminated or tempered safety glass conforming to CAN/CGSB-12.1-M, “Tempered or Laminated Safety Glass”, or (b) wired glass conforming to CAN/CGSB-12.11-M, “Wired Safety Glass”. (3) Except as permitted by Sentence (4), transparent panels used in an access to exit that, because of their physical configuration or design, could be mistaken as a means of egress shall be made inaccessible by barriers or railings. (4) Sliding glass partitions that separate a public corridor from an adjacent occupancy and that are intended to be open during normal working hours need not conform to Sentences (1) and (3), provided the partitions are suitably marked to indicate their existence and position. (5) Glass in doors and in sidelights that could be mistaken for doors, within or at the entrances to dwelling units and in public areas, shall conform to the requirements of Article 9.6.6.2. (6) A window in a public area that extends to less than 1 070 mm above the floor and is located above the second storey in a building of residential occupancy, shall be protected by a barrier or railing from the floor to not less than 1 070 mm above the floor, or the window shall be non-openable and designed to withstand the lateral design loads for balcony guards required by Article 4.1.5.15.
Note to Table 3.3.1.5.B.:
3.3.1.19. Exhaust Ventilation (1) An exhaust ventilation system designed in conformance with the appropriate requirements of Part 6 shall be provided in a building or part of a building in which dust, fumes, gases, vapour or other impurities or contaminants have the potential to create a fire or explosion hazard. (2) Explosion relief devices, vents or other protective measures conforming to Subsection 6.2.2. shall be provided for a space in which substances or conditions that have the potential to create an explosion hazard are present as a result of the principal use of a building.
Note to Table 3.3.1.5.B.:
3.3.1.20. Janitors’ Rooms (1) Except as permitted by Sentences (2) and (3), a room or space within a floor area for the storage of janitorial supplies shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h. (2) The fire-resistance rating of the fire separation required by Sentence (1) is permitted to be not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (3) The fire separation required by Sentence (1) is not required to have a fire-resistance rating if the floor area in which the room or space is located is sprinklered.
Note to Table 3.3.1.5.B.:
3.3.1.21. Common Laundry Rooms (1) Except as permitted by Sentences (2) and (3), in a building of residential occupancy, a laundry room in a floor area that is not within a dwelling unit shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h. (2) The fire-resistance rating of the fire separation required by Sentence (1) is permitted to be not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (3) The fire separation required by Sentence (1) is not required to have a fire-resistance rating if the floor area in which the laundry room is located is sprinklered.
Note to Table 3.3.1.5.B.:
3.3.1.22. Obstructions (1) No obstruction shall be permitted in any occupancy that would restrict the width of a normal means of egress from any part of a floor area to less than 750 mm unless an unobstructed alternative means of egress is provided adjacent to, accessible from, and plainly visible from the obstructed means of egress.
Note to Table 3.3.1.5.B.:
3.3.1.23. Signs in Service Spaces (1) 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.(9).
Note to Table 3.3.1.5.B.:
3.3.1.24. Welding and Cutting (1) Except as provided in Sentence (2), welding and cutting operations shall be located in a room, (a) separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h, or (b) protected by an automatic fire extinguishing system. (2) Sentence (1) does not apply to an industrial occupancy where the welding and cutting operations do not present a fire or explosion hazard to adjacent areas. 3.3.2. Assembly Occupancy
Note to Table 3.3.1.5.B.:
3.3.2.1. Scope (1) This Subsection applies to assembly occupancies and to outdoor places of assembly.
Note to Table 3.3.1.5.B.:
3.3.2.2. Fire Separations (1) Except as permitted by Sentence (2), the seating area of a Group A, Division 1 occupancy shall be separated from adjacent occupancies in the floor area by a fire separation having a fire-resistance rating not less than 1 h if the occupant load in the seating area exceeds 200. (2) The fire-resistance rating of the fire separation required by Sentence (1) is permitted to be less than 1 h but not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (3) If usable space exists under tiers of seats in arena type buildings, a fire separation with a fire-resistance rating not less than 45 min shall be provided between the space and the seats or the space shall be sprinklered. (4) Except as required in Sentences (5), (6) and (7), in an elementary or secondary school, a hazardous classroom shall be separated from the remainder of the building by a fire-separation having a fire-resistance rating not less than, (a) 1 h where the building is not sprinklered, or (b) 30 min where the building is sprinklered. (5) Except as provided in Sentence (6), in an elementary or secondary school, a hazardous classroom containing an auto repair shop shall be separated from the remainder of the building by a fire-separation having a fire-resistance rating not less than, (a) 2 h where the building is not sprinklered, or (b) 1 h where the building is sprinklered. (6) In an elementary or secondary school, if there is a group of hazardous classrooms or a group of hazardous classrooms and ancillary rooms of a complementary use, the fire separation required by Sentence (4) or (5) need not be provided within the group but the fire separation is required between the group and the remainder of the building. (7) In an elementary or secondary school, a hazardous classroom containing a spray painting operation shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than, (a) 2 h, or (b) 1 h where the spray painting operation is separated from the classroom by a fire-separation having a fire-resistance rating not less than 1 h. (8) Except as required in Sentence (9), in an elementary or secondary school, where the occupant load of a room exceeds 200 persons, the room and any ancillary rooms of a complementary use shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than, (a) 1 h where the building is not sprinklered, or (b) 30 min where the building is sprinklered. (9) A kitchen shall not be located within the fire compartment required in Sentence (8).
Note to Table 3.3.1.5.B.:
3.3.2.3. Fixed Seats (1) Except for the requirements of Article 3.3.2.7. for bench-type seats and except as required or permitted by Sentence (2) and Articles 3.3.2.9. and 3.3.2.10., fixed seats in places of assembly shall be, (a) attached or secured to the floor, platform or platform riser, (b) provided with arms and back, and (c) arranged in rows having an unobstructed passage not less than 400 mm wide measured horizontally between plumb lines from the backs of the seats in one row and the edges of the furthest forward projection of the seats in the next row in the unoccupied position. (2) For fixed seats with backs and with folding tablet arms, the value of 400 mm required by Clause (1)(c) shall be measured when the tablet arms are in the use position, but is permitted to be measured in the stored position provided, (a) there are not more than 7 seats between any seat and the nearest aisle, (b) the seats are located in a lecture hall or an auditorium used for instructional purposes, and (c) the tablet arm, when raised manually to a vertical position, falls by the force of gravity to the stored position. (3) Except as permitted by Sentences (4) and (5), aisles shall be located so that there are not more than 7 seats with backs or 20 seats without backs between any seat and the nearest aisle. (4) The requirements of Sentence (3) do not apply if, (a) egress doorways are provided to serve both ends of rows of seats, (b) each doorway referred to in Clause (a) serves not more than 3 rows of seats, and (c) each row contains not more than 100 seats. (5) The requirements of Sentence (3) do not apply if, (a) there are not more than 7 seats between any seat and the nearest aisle, where the seats are served by a single aisle, (b) there are not more than 20 seats between any seat and the nearest aisle, where the seats are served by two aisles, (c) each row has an unobstructed passage with minimum width of 400 mm plus 6.1 mm for each additional seat above 16 seats in the row, and (d) the travel distance is not more than 45 m measured along the path of travel from any seat to an exit or to an egress doorway. (6) Seating arrangements that do not conform to the requirements of Sentences (3) to (5) are permitted provided the standard of safety is not reduced and the time required for egress is not increased.
Note to Table 3.3.1.5.B.:
3.3.2.5. Corridors (1) Except as permitted by Sentences (2) to (4), a corridor used by the public in an assembly occupancy as an access to exit shall be separated from the remainder of the floor area by a fire separation having a fire-resistance rating not less than 1 h. (2) The fire-resistance rating of the fire separation required by Sentence (1) is permitted to be less than 1 h but not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (3) The fire-resistance rating required by Sentence (1) is permitted to be waived if the floor area in which the corridor is located is sprinklered. (4) The fire separation required by Sentence (1) is permitted to be waived if the distance from any point in the floor area to an exit measured along the path of travel to an exit does not exceed the travel distance permitted by Article 3.4.2.5.
Note to Table 3.3.1.5.B.:
3.3.2.6. Doors (1) A door equipped with a latching mechanism in an access to exit from a room or suite of assembly occupancy containing an occupant load more than 100 shall be equipped with a device that will release the latch and allow the door to swing wide open when a force not more than that specified in Sentence 3.8.3.3.(7) is applied to the device in the direction of travel to the exit.
Note to Table 3.3.1.5.B.:
3.3.2.7. Fixed Bench-Type Seats without Arms (1) If fixed bench-type seats without arms are provided, the seat width per person shall be assumed to be 450 mm. (2) The centre-to-centre spacing between rows of bench-type seats shall be not less than 760 mm if back rests are provided, and not less than 550 mm if back rests are not provided. (3) A clear space of not less than 300 mm shall be provided between the back of each seat and the front of the seat immediately behind it.
Note to Table 3.3.1.5.B.:
3.3.2.8. Guards (1) Except as required by Sentences (2) to (4) for bleacher seats, guards shall be installed in outdoor and indoor places of assembly with fixed seats so that, (a) at the fascia of every box, balcony or gallery where the seats extend to the edge, the height of guards is not less than, (i) 760 mm in front of the seats, and (ii) 920 mm if located at the end of aisles or at the foot of steps, (b) the height of guards along every cross aisle other than those adjacent to the fascia of every box, balcony or gallery is not less than 660 mm, except that guards need not be provided if the backs of the seats along the front side of the aisle are not less than 600 mm above the floor of the aisle, and (c) where the seating is arranged in successive tiers and the height of rise between platforms is more than 450 mm, the height of guards is not less than 660 mm along the entire row of seats at the edge of the platform. (2) The backs and ends of bleacher seats more than 1 200 mm above the ground or floor that are not adjacent to a wall shall be protected with a guard, (a) not less than 1 070 mm high above an adjacent aisle surface or foot rest, and (b) not less than 920 mm high above the centre of an adjacent seat board. (3) If the front of a bleacher is more than 600 mm above the ground or floor, it shall be protected with a guard not less than 840 mm high above the front foot rest. (4) Openings through any guard that is required by Sentences (2) and (3) shall be of a size that will prevent the passage of a sphere having a diameter more than 300 mm.
Note to Table 3.3.1.5.B.:
3.3.2.9. Outdoor Places of Assembly (1) A Group A, Division 4 occupancy and each tier or balcony that has a capacity of more than, (a) 1 000 persons shall have no fewer than 3 separate exits, or (b) 4 000 persons shall have no fewer than 4 separate exits. (2) In a Group A, Division 4 occupancy, every seat shall be located so that the travel distance is not more than 45 m measured along the path of travel from the seat to, (a) the ground, (b) an exit, (c) an opening to a passageway leading from the seating area, or (d) a portal, a vomitory or any other opening through the seating deck structure. (3) Exits from outdoor stadia or grandstands shall be located not more than 25 m apart. (4) The capacity of a means of egress for a Group A, Division 4 occupancy shall conform to the requirements of Sentence 3.4.3.2.(3). (5) Aisles in a Group A, Division 4 occupancy, (a) shall be located so that there are not more than 20 seats between any seat and the nearest aisle and (b) shall be not less than 1 200 mm wide, except that an aisle serving less than 60 persons is permitted to be 750 mm wide
Note to Table 3.3.1.5.B.:
3.3.2.10. Bleachers (1) Steps provided in aisles of bleachers of the telescopic type shall, (a) have risers not more than 250 mm high, and (b) have treads with a run not less than 280 mm. (2) If the vertical distance between seating platforms in bleachers is more than 280 mm, an intermediate step shall be provided the full width of the aisle and proportioned to provide 2 equal risers between platforms. (3) If the vertical distance between seating platforms in bleachers is more than 450 mm, 2 intermediate steps shall be provided the full width of the aisle so that there are 3 equal risers between platforms. (4) If the passageway between rows of seats is not a closed deck, footboards shall be provided so that, (a) the total width of the footboards shall be not less than three quarters of the centre-to-centre spacing between rows of seats, and (b) the spacing between footboard members shall be not more than 25 mm. (5) Openings above footboards and below the seats in rows of bleachers shall be of a size that will prevent the passage of a sphere having a diameter more than 100 mm.
Note to Table 3.3.1.5.B.:
3.3.2.11. Libraries (1) Except as permitted by Sentence (2), a library book storage room that is not normally accessible to the public shall be separated from the remainder of the building by a fire separation with a fire-resistance rating not less than 2 h if it, (a) is more than 250 m2 in area, or (b) contains book stacks that, (i) are more than 10 m high, or (ii) penetrate more than one floor assembly. (2) The fire separation required by Sentence (1) is not required if the book storage room is sprinklered. (3) Open book shelves are permitted above and below a mezzanine floor in a library building provided the height of the shelves is not more than 2 100 mm but not more than 75% of the floor-to-ceiling height of the space above or below the mezzanine floor assembly.
Note to Table 3.3.1.5.B.:
3.3.2.12. Stages for Theatrical Performances (1) A stage for theatrical performances and ancillary spaces, including workshops, dressing rooms and storage areas, shall be sprinklered. (2) A fire separation with a fire-resistance rating not less than 1 h shall be provided between a stage for theatrical performances and ancillary spaces, including workshops, dressing rooms and storage areas. (3) Except as permitted by Sentence (6), a stage for theatrical performances and ancillary spaces, including workshops, dressing rooms and storage areas, shall be separated from the seating area by a fire separation having a fire-resistance rating not less than 1 h, except for a proscenium opening protected with, (a) a sprinkler deluge system conforming to the requirements of NFPA 13 “Installation of Sprinkler Systems”, (b) an unframed fire curtain if the opening is not more than 20 m wide, or (c) a semi-rigid fire curtain if the opening is more than 20 m wide. (4) A fire curtain required by Sentence (3) shall be of a type designed to close, (a) automatically upon the actuation of the sprinkler system, (b) automatically upon actuation of the fire alarm system, (c) manually by remote control devices located at the curtain control panel and at each side of the stage, and (d) automatically by heat-actuated devices. (5) At least 2 vents for the purpose of venting fire and smoke to the outside of a building shall be provided above a stage designed for theatrical performances and shall, (a) have an aggregate area not less than one eighth of the area of the stage behind the proscenium opening, and (b) be arranged to open automatically upon actuation of the sprinkler system. (6) The fire separation referred to in Sentence (3) is not required between a stage and a seating area in a floor area that is sprinklered, provided a sprinkler deluge system is installed at the boundary between the stage and the seating area.
Note to Table 3.3.1.5.B.:
3.3.2.13. Risers for Stairs (1) In a Group A, Division 2 occupancy used for the serving of food and beverages, an interior flight of stairs with fewer than 3 risers is permitted provided it, (a) is not less than 900 mm wide, (b) is illuminated at all times that occupants are on the premises, and (c) has a handrail on each side. 3.3.3. Care or Detention Occupancy
Note to Table 3.3.1.5.B.:
3.3.3.1. Scope (1) This Subsection applies to care or detention occupancies.
Note to Table 3.3.1.5.B.:
3.3.3.2. Fire Separations (1) The fire separation required by Sentence 3.3.5.5.(1) between a care or detention occupancy and a repair garage shall have no openings. (2) Except as permitted by Sentence (4), in a Group B, Division 3 occupancy, walls between sleeping rooms and adjacent rooms shall be constructed as fire separations having a fire-resistance rating not less than 1 h, except that the fire-resistance rating need not be more than 45 min where the floor assembly is not required to be more than 45 min. (3) Except as permitted by Sentence (4), in a Group B, Division 3 occupancy, walls separating corridors serving sleeping rooms from adjacent rooms shall be constructed as fire separations having a fire-resistance rating not less than 1 h, except that the fire-resistance rating need not be more than 45 min where the floor assembly is not required to be more than 45 min. (4) The walls separating sleeping rooms from adjacent rooms and corridors in those parts of a floor area classified as a Group B, Division 3 occupancy shall be constructed as fire separations but are not required to have a fire-resistance rating if, (a) those parts of the floor area contain sleeping accommodation for not more than 10 persons, and (b) not more than six occupants require assistance in evacuation in case of an emergency. (5) The door in the fire-separation required in Sentence (4) is permitted to be equipped with a roller latch and need not be provided with a self-closing device.
Note to Table 3.3.1.5.B.:
3.3.3.3. Corridors (1) A corridor used by the public or serving patients or residents shall have no dead-end portion unless the area served by the dead-end portion has a second and separate means of egress. (2) A corridor serving patients in a hospital shall be not less than 2 400 mm wide. (3) Except as permitted in Sentence (5), a corridor serving residents who are not ambulatory in a Group B, Division 2 or 3 occupancy shall be not less than 1 650 mm wide. (4) Paired doors in a corridor serving patients or residents shall, (a) swing in opposite directions, the right hand door swinging in the direction of travel, and (b) be not less than 1 100 mm wide. (5) A corridor in a Group B, Division 3 occupancy that contains sleeping accommodation for not more than 10 persons and not more than 6 occupants require assistance in evacuation in case of an emergency need not comply with Sentence (3).
Note to Table 3.3.1.5.B.:
3.3.3.4. Doorway Width (1) Except as permitted in Sentence 3.3.1.12.(12), the minimum clear width of doorways serving patients or residents shall be 1 050 mm.
Note to Table 3.3.1.5.B.:
3.3.3.5. Hospitals and Nursing Homes (1) Floor areas containing patients’ or residents’ sleeping rooms in a hospital or nursing home shall conform to Sentences (2) to (12). (2) Except as permitted by Sentence (3), a floor area containing patients’ or residents’ sleeping rooms in a hospital or nursing home shall be divided into no fewer than 2 fire compartments, each not more than 1 000 m2 in area. (3) The floor area on either side of a horizontal exit conforming to Article 3.4.6.9. is permitted to be considered as a fire compartment in applying the requirements of this Article. (4) Except as permitted by Sentence (5), fire separations separating fire compartments required by Sentence (2) shall have a fire-resistance rating not less than 1 h. (5) The fire-resistance rating of a fire separation referred to in Sentence (4) is permitted to be less than 1 h but not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (6) A closure in a fire separation between fire compartments referred to in Sentence (2) shall be weatherstripped or otherwise designed and installed to retard the passage of smoke. (7) The travel distance from any point within each fire compartment referred to in Sentence (2) to a door to an adjoining fire compartment shall be not more than 45 m. (8) Each fire compartment referred to in Sentence (2) shall be capable of accommodating, in addition to its own occupants, the occupants of the largest adjacent fire compartment based on a clear floor space of 2.5 m2 per patient or resident in the adjacent fire compartment. (9) Except as permitted by Sentences (10) and (11), walls between patients’ or residents’ sleeping rooms and the remainder of the floor area shall be constructed as fire separations but are not required to have a fire-resistance rating unless a fire-resistance rating is required by other provisions in this Part. (10) The fire separation requirements of Sentence (9) do not apply to walls within a group of intercommunicating patients’ or residents’ rooms, provided the group of rooms does not (a) contain more than 5 patients or residents, or (b) include storage, bathing or toilet facilities serving persons not occupying the group of rooms. (11) A door in a fire separation required by Sentence (9) is permitted to be equipped with a roller latch. (12) A fire separation required by Sentence (9) shall not contain any grilles, louvres or other openings.
Note to Table 3.3.1.5.B.:
3.3.3.6. Protection for Special Care and Treatment Facilities (1) Compartments containing rooms such as operating rooms, recovery rooms, delivery rooms, intensive care units and critical care units, from which it is impracticable to move patients in an emergency, shall be, (a) separated from adjacent spaces by fire separations having a fire-resistance rating not less than 1 h, and (b) provided with a mechanical air supply so that during a period of 2 h after the start of a fire in another space, the compartments will not contain more than 1% by volume of contaminated air from the fire area.
Note to Table 3.3.1.5.B.:
3.3.3.7. Contained Use Areas (1) A contained use area shall conform to Sentences (2) to (5). (2) A contained use area shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h. (3) Except as permitted by Sentence (4), a building that includes a contained use area shall be sprinklered. (4) A contained use area, in a building for which Articles 3.2.2.20. to 3.2.2.83. do not require the installation of an automatic sprinkler system, is not required to be sprinklered as required by Sentence (3) provided, (a) the building is designed so that during a period of 2 h after the start of a fire in the contained use area, other fire compartments will not contain more than 1% by volume of contaminated air from the contained use area, (b) the building is designed so that during a period of 2 h after the start of a fire in another part of the building, the contained use area will not contain more than 1% by volume of contaminated air from the other part of the building, (c) all doors are designed to be remotely released in conformance with Sentence 3.3.1.12.(6), and (d) the contained use area does not contain any rooms lined with combustible padding. (5) A corridor serving a contained use area shall have no dead-end portion unless the area served by the dead-end portion has a second and separate means of egress.
Note to Table 3.3.1.5.B.:
3.3.3.8. Handrails (1) Corridors and ramps used by residents in a nursing home shall be equipped with handrails on each side conforming to Sentences 3.4.6.4.(3), (4), (6), (7) and (8). 3.3.4. Residential Occupancy
Note to Table 3.3.1.5.B.:
3.3.4.1. Scope (1) This Subsection applies to residential occupancies.
Note to Table 3.3.1.5.B.:
3.3.4.2. Fire Separations (1) Except as permitted by Sentences (2) and 3.2.2.9.(2), 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 not less than 1 h. (2) The fire-resistance rating of the fire separation required by Sentence (1) is permitted to be less than 1 h but not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above. (3) Floor assemblies within a dwelling unit need not be constructed as fire separations provided, (a) the distance between the lowest floor level and the uppermost floor level within the dwelling unit is not more than 6 m, and (b) the dwelling unit is separated from the remainder of the building by a fire separation having a fire-resistance rating not less than, (i) 45 min if the building is sprinklered and is not more than 3 storeys in building height, (ii) 1 h if the building is sprinklered and is more than 3 storeys in building height (iii) 1 h if the building is not sprinklered and is not more than 6 storeys in building height, or (iv) 2 h if the building is not sprinklered and is more than 6 storeys in building height. (4) The fire-resistance rating of the fire separation located between a dwelling unit and an attached storage garage need not conform to that required by Sentence 3.3.5.6.(1) provided, (a) the storage garage contains not more than 5 vehicles, (b) the dwelling unit and the attached storage garage are sprinklered, (c) the dwelling unit is separated from the remainder of the building in conformance with Sentences (1) to (3), (d) there are no air duct systems connecting the storage garage and the dwelling unit, (e) the construction between the storage garage and the dwelling unit provides an effective barrier to gas and exhaust fumes, and (f) every door between the storage garage and the dwelling unit is, (i) tight fitting and weather-stripped to provide an effective barrier against the passage of gas and exhaust fumes, (ii) fitted with a self-closing device, and (iii) not located in a room intended for sleeping. (5) The fire separation required by Sentence 3.3.5.6.(1) is not required between a dwelling unit and an attached storage garage, serving that dwelling unit only, provided, (a) the dwelling unit and its attached storage garage are separated from the remainder of the building in conformance with Sentences (1) to (3), (b) there are no air duct systems connecting the storage garage and the dwelling unit, (c) the construction between the storage garage and the dwelling unit provides an effective barrier to gas and exhaust fumes, and (d) every door between the storage garage and the dwelling unit is, (i) tight fitting and weather-stripped to provide an effective barrier against the passage of gas and exhaust fumes, (ii) fitted with a self-closing device, and (iii) not located in a room intended for sleeping.
Note to Table 3.3.1.5.B.:
3.3.4.3. Storage Rooms (1) Sprinklers shall be installed in a storage room provided for the use of tenants in a residential occupancy within a floor area but not contained within a suite. (2) Except as permitted by Sentence (3), a storage room referred to in Sentence (1) shall be separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h. (3) The fire-resistance rating of the fire separation required by Sentence (2) is permitted to be less than 1 h but not less than 45 min provided the fire-resistance rating required by Subsection 3.2.2. is permitted to be less than 1 h for, (a) the floor assembly above the floor area, or (b) the floor assembly below the floor area, if there is no floor assembly above.
Note to Table 3.3.1.5.B.:
3.3.4.5. Automatic Locking Prohibition (1) Except for hotels, a door opening onto a public corridor that provides access to exit from a suite shall be designed not to lock automatically.
Note to Table 3.3.1.5.B.:
3.3.4.6. Sound Transmission (1) Sound transmission class ratings of building assemblies shall conform to Section 5.9.
Note to Table 3.3.1.5.B.:
3.3.4.7. Stairs, Handrails and Guards for Dwelling Units (1) Stairs, handrails and interior guards within a dwelling unit shall conform to the appropriate requirements in Section 9.8.
Note to Table 3.3.1.5.B.:
3.3.4.8. Stud Wall Reinforcement (1) If wood wall studs or sheet steel wall studs enclose the main bathroom in a dwelling unit, reinforcement shall be installed to permit the future installation of a grab bar on a wall adjacent to, (a) a water closet in the location required by Clause 3.8.3.8.(1)(d), and (b) a shower or bathtub in the location required by Clause 3.8.3.13.(1)(f). 3.3.5. Industrial Occupancy
Note to Table 3.3.1.5.B.:
3.3.5.1. Scope (1) This Subsection applies to industrial occupancies.
Note to Table 3.3.1.5.B.:
3.3.5.2. Fire Extinguishing Systems (1) In addition to other requirements in this Division for the installation of automatic fire extinguishing systems, an appropriate fire extinguishing system shall be installed in every industrial occupancy floor area to provide protection if required by, (a) the Fire Code made under the Fire Protection and Prevention Act, 1997, or (b) the CCBFC, “National Fire Code of Canada”, in the absence of provisions referred to in Clause (a).
Note to Table 3.3.1.5.B.:
3.3.5.3. Basements (1) A basement shall not be used for the storage, manufacture or handling of volatile solids, liquids or gases that generate explosive air-vapour mixtures or for processes that involve explosive dusts. (2) Entrances and exits to a basement and to rooms containing building services shall be separate from the remainder of the building in a building in which, (a) the storage, manufacture or handling of volatile materials can generate explosive air-vapour mixtures, or (b) processes occur that produce explosive dusts. (3) Basements and rooms referred to in Sentence (2) shall be separated from the remainder of the building with a vapour-tight separation.
Note to Table 3.3.1.5.B.:
3.3.5.4. Repair and Storage Garages (1) If access is provided from a storage garage to a stair tower or elevator serving occupancies above the level of the storage garage, the access shall be through a vestibule conforming to Sentence 3.3.5.7.(3). (2) Treads and landings in interior stairs that extend to the roof of a storage garage shall be designed to be free of accumulations of ice and snow. (3) A mechanical storage garage not more than 4 storeys in building height, in which 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. (4) A garage shall be provided with natural or mechanical ventilation in conformance with the requirements of Subsection 6.2.2. to prevent excessive accumulation of carbon monoxide, exhaust fumes or flammable and toxic vapours. (5) Except as required by Sentence 3.8.2.2.(2), the clear height in a storage garage shall be not less than 2000 mm. (6) A continuous curb not less than 150 mm high and a guard not less than 1 070 mm high shall be provided at every garage floor opening and around the perimeter of every floor where the exterior walls are omitted. (7) Except for open-air storeys, every storey of a storage garage or repair garage located below grade shall be sprinklered.