jswizzle3737/ontario_laws_and_regs huggingface dataset:
Notes to Table 3.1.3.1.:
3.1.5.17. Combustible Plumbing Fixtures (1) Combustible plumbing fixtures are permitted in a building required to be of noncombustible construction if they are constructed of material having a flame-spread rating
and smoke developed classification permitted in Subsection 3.1.13.
Notes to Table 3.1.3.1.:
3.1.5.18. Wires and Cables (1) Except as permitted by Sentence (2) and Articles 3.1.5.19. and 3.1.5.21., optical fibre cables and electrical wires and cables with combustible
insulation, jackets or sheathes are permitted in a building
required to be of noncombustible construction, provided, (a) the wires and cables 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), (b) the wires and cables are located in, (i) totally enclosed noncombustible raceways, (ii) concealed spaces in walls, (iii) concrete slabs, (iv) a service room separated from the remainder of the building by a fire separation
having a fire-resistance rating not less than 1 h, or (v) totally enclosed nonmetallic raceways conforming to Clause 3.1.5.20.(1)(b), or (c) the wires and cables are communication cables used at the service entry to a building
and are not more than 3 m long. (2) The requirement in Clause (1)(a) is considered to be met where the wires and cables exhibit a flame-spread of not more than 1.5 m, a smoke density of 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).
Notes to Table 3.1.3.1.:
3.1.5.19. Combustible Travelling Cables for Elevators (1) Combustible travelling cables are permitted on elevating devices in a building
required to be of noncombustible construction.
Notes to Table 3.1.3.1.:
3.1.5.20. Nonmetallic Raceways (1) Except as provided by Subclause 3.6.4.3.(1)(a)(iv) and subject to limits on size for penetrations of fire separations as required by Sentence 3.1.9.3.(2), within a fire compartment
of a building required to be of noncombustible construction, totally enclosed nonmetallic raceways not more than 175 mm in outside diameter, or an equivalent rectangular area, are permitted to be used to enclose optical fibre cables and electrical wires and cables, provided, where, (a) the wires and cables in the raceways meet or exceed the requirements of Clause 3.1.5.18.(1)(a), the nonmetallic raceways meet the requirements for at least an FT4 rating in, (i) CAN/CSA-C22.2 No. 262, “Optical Fiber Cable and Communication Cable Raceway Systems”, or (ii) CAN/ULC-S143, “Fire Tests for Non-Metallic Electrical and Optical Fibre Cable Raceway Systems”, and (b) the wires and cables in the raceways do not meet or exceed the requirements of Clause 3.1.5.18.(1)(a), the nonmetallic raceways exhibit a vertical char not more than 1.5 m when tested in conformance with the Vertical Flame Test (FT4) – Conduit or Tubing on Cable Tray in Clause 6.16 of CSA C22.2 No. 211.0, “General Requirements and Methods of Testing for Nonmetallic Conduit”.
Notes to Table 3.1.3.1.:
3.1.5.21. Wires in Computer Room Floors (1) Optical fibre cables and electrical wires and cables with combustible insulation, jackets or sheathes, located in the space below a raised floor in a computer room, are permitted in a building required to be of noncombustible construction provided they do not convey flame or continue to burn for more than 1 min when tested in conformance with the Vertical Flame Test in Clause 4.11.1. of CSA C22.2 No. 0.3, “Test Methods for Electrical Wires and Cables”, (FT1 Rating). (2) The requirement in Sentence (1) is considered to be met where the wires and cables, (a) 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), or (b) exhibit a flame-spread of not more than 1.5 m, a smoke density of 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).
Notes to Table 3.1.3.1.:
3.1.5.22. Combustible Components in Public Pools and Public Spas (1) Combustible fittings and components in a public pool or public spa, including main drains, piping, skimmers, return inlets, steps, ladder rungs and liners, are permitted in a building required to be of noncombustible construction.
Notes to Table 3.1.3.1.:
3.1.5.23. Marquees Having Combustible Elements (1) Except as permitted in Sentence (2), exterior marquees, not greater than 7.5 m from ground level to the top of the marquee, having combustible
elements, other than fabrics or films conforming to Sentence 3.1.16.1.(1), are permitted on a building required to be of noncombustible construction, provided every opening in the exposed wall of the building above the marquee is protected with wired glass in accordance with MMAH Supplementary Standard SB-2, “Fire Performance Ratings” where these openings are within, (a) 4.5 m horizontally of the marquee, and (b) 9 m vertically above the marquee. (2) The protection required by Sentence (1) is permitted to be waived if the building is sprinklered.
Notes to Table 3.1.3.1.:
3.1.5.24. Combustible Mezzanines (1) In a building required to be of noncombustible construction, a mezzanine
located within a live/work unit is permitted to be of combustible construction, provided the area of the mezzanine is not more than 25% of the floor area of the live/work unit
or 20 m2, whichever is less, and has no obstructions more than 1 070 mm above the floor.
Notes to Table 3.1.3.1.:
3.1.5.25. Wood Decorative Cladding (1) Wood decorative cladding is permitted to be used on exterior marquee fascias, of a storey having direct access to a street or access route, of a building required to be of noncombustible construction, provided the cladding is fire-retardant treated wood that, before testing to CAN/ULC-S102, “Test for Surface Burning Characteristics of Building Materials and Assemblies”, has been conditioned in conformance with ASTM D2898, “Accelerated Weathering of Fire-Retardant-Treated Wood for Fire Testing”.
Notes to Table 3.1.3.1.:
3.1.7.1. Determination of Ratings (1) Except as permitted by Sentence (2) and Articles 3.1.7.2. and 3.6.3.5, the rating of a material, assembly of materials or a structural member that is required to have a fire-resistance rating, shall be determined on the basis of the results of tests conducted in conformance with CAN/ULC-S101, “Fire Endurance Tests of Building Construction and Materials”. (2) A material, assembly of materials or a structural member is permitted to be assigned a fire-resistance rating on the basis of MMAH Supplementary Standard SB-2, “Fire Performance Ratings”.
Notes to Table 3.1.3.1.:
3.1.7.2. Exception for Exterior Walls (1) The limit on the rise of temperature on the unexposed surface of an assembly as required by the tests referred to in Sentence 3.1.7.1.(1) shall not apply to an exterior wall that has a limiting distance
of 1.2 m or more, provided correction is made for radiation from the unexposed surface in accordance with Sentence 3.2.3.1.(9).
Notes to Table 3.1.3.1.:
3.1.7.3. Exposure Conditions for Rating (1) Floor, roof and ceiling assemblies shall be rated for exposure to fire on the underside. (2) Firewalls and interior vertical fire separations shall be rated for exposure to fire on each side. (3) Exterior walls shall be rated for exposure to fire from inside the building.
Notes to Table 3.1.3.1.:
3.1.7.4. Minimum Fire-Resistance Rating (1) The use of materials or assemblies having a greater fire-resistance rating than required shall impose no obligation to exceed in whole or in part the minimum
fire-resistance ratings required by this Part.
Notes to Table 3.1.3.1.:
3.1.7.5. Rating of Supporting Construction (1) Except as permitted by Sentence (2) and by Articles 3.2.2.20. to 3.2.2.83. for mixed types of construction, all loadbearing
walls, columns and arches in the storey immediately below a floor or roof assembly required to have a fire-resistance rating shall have a fire-resistance rating
not less than that required for the supported floor or roof assembly. (2) Loadbearing walls, columns and arches supporting a service room or service space need not conform to Sentence (1). (3) Except as provided in Sentence (4) and for noncombustible
roof assemblies required by Subclauses 3.2.2.43A.(2)(c)(i) and 3.2.2.50A.(2)(c)(i), if an assembly is required to be of noncombustible construction and have a fire-resistance rating, it shall be supported by noncombustible construction. (4) Except for parts of a building constructed in accordance with Article 3.2.2.7. that are required to be of noncombustible construction, assemblies of noncombustible construction in buildings or parts of buildings
permitted to be of encapsulated mass timber construction
are permitted to be supported by encapsulated mass timber construction. 3.1.8. Fire Separations and Closures
Notes to Table 3.1.3.1.:
3.1.8.1. General Requirements (1) Any wall, partition or floor assembly required to be a fire separation shall, (a) except as permitted by Sentence (2), be constructed as a continuous element, and (b) as required in this Part, have a fire-resistance rating as specified. (2) Openings in a fire separation shall be protected with closures, shafts or other means in conformance with Articles 3.1.8.4. to 3.1.8.18. and Subsections 3.1.9. and 3.2.8.
Notes to Table 3.1.3.1.:
3.1.8.2. Combustible Construction Support (1) Combustible construction that abuts on or is supported by a noncombustible
fire separation shall be constructed so that its collapse under fire conditions will not cause the collapse of the fire separation.
Notes to Table 3.1.3.1.:
3.1.8.3. Continuity of Fire Separations (1) Except as permitted by Sentence 3.6.4.2.(2), a horizontal service space or other concealed space located above a required vertical
fire separation, including the walls of a vertical shaft, shall be divided at the fire separation by an equivalent fire separation within the service space. (2) The fire separation required by Sentence (1) shall terminate so that smoke-tight joints are provided where it abuts on or intersects, (a) a floor, (b) a roof slab, or (c) a roof deck. (3) Except as required by Subsection 3.6.3. for a shaft penetrating a roof assembly, a shaft, including an exit enclosure, that penetrates a fire separation, shall, (a) extend through any horizontal service space or any other concealed space, and (b) terminate so that smoke-tight joints are provided where the shaft abuts on or intersects, (i) a floor, (ii) a roof slab, or (iii) a roof deck. (4) The continuity of a fire separation shall be maintained where it abuts another fire separation, a floor, a ceiling, or an exterior wall assembly.
Notes to Table 3.1.3.1.:
3.1.8.4. Determination of Ratings (1) Except as permitted by Sentences (2) and 3.1.8.14.(1), the fire-protection rating for a closure
shall be determined in accordance with, (a) CAN/ULC-S104, “Fire Tests of Door Assemblies”, (b) CAN/ULC-S106, “Fire Tests of Window and Glass Block Assemblies”, or (c) CAN/ULC-S112, “Fire Test of Fire Damper Assemblies”. (2) Except as permitted by Sentence 3.1.8.10.(1), the fire-protection rating of a closure
shall conform to Table 3.1.8.4. for the required fire-resistance rating of the fire separation. (3) The leakage rate of smoke dampers and combination smoke and fire dampers
shall, (a) be determined in accordance with the applicable provisions in CAN/ULC-S112.1, “Leakage Rated Dampers for Use in Smoke Control Systems”, and (b) conform to Class I, II or III of that standard. (4) The leakage rate of a door assembly shall be determined in accordance with ANSI/UL-1784, “Air Leakage Tests of Door Assemblies and Other Opening Protectives”. Table 3.1.8.4.   Fire-Protection Rating of Closure Forming Part of Sentence 3.1.8.4.(2) and Clause 3.1.9.1.(1)(a) Item   Column 1 Fire-Resistance Rating of Fire Separation   Column 2 Required Fire-Protection Rating of Closure 

  1.   30 min   20 min 

  2.   45 min   45 min 

  3.   1 h   45 min 

  4.   1.5 h   1 h 

  5.   2 h   1.5 h 

  6.   3 h   2 h 

  7.   4 h   3 h
Notes to Table 3.1.3.1.:
3.1.8.5. Installation of Closures (1) Except where fire dampers, window assemblies and glass block are used as closures, closures of the same fire-protection rating installed on opposite sides of the same opening are deemed to have a fire-protection rating equal to the sum of the fire-protection ratings of the closures. (2) Except as otherwise specified in this Part, every door, fire damper, window assembly or glass block used as a closure in a required fire separation, (a) shall be installed in conformance with NFPA 80, “Fire Doors and Other Opening Protectives”, and (b) where required to have a fire-protection rating, shall have labels or classification marks to identify the testing laboratory. (3) Except as otherwise specified in this Part, every smoke damper used as a closure
in a required fire separation shall be installed in conformance with NFPA 105, “Smoke Door Assemblies and Other Opening Protectives”. (4) If a door is installed so that it could damage the integrity of a fire separation if its swing is unrestricted, door stops shall be installed to prevent the damage. (5) A leakage-rated door assembly rated in accordance with Sentence 3.1.8.4.(4) shall, (a) be installed in fire separations in protected floor areas described in Clause 3.3.1.7.(1)(b), (b) be installed in fire separations in care or care and treatment occupancies referred to in Sentence 3.3.3.5.(4) and installed in fire separations in retirement homes referred to in Sentence 3.3.4.11.(4), (c) except as provided in Sentence (7), be installed in fire separations of public corridors serving dwelling units in storeys that are not sprinklered, and (d) be installed in firewalls that are a horizontal exit
referred to in Sentence 3.3.3.5.(3). (6) Leakage-rated door assemblies required by Sentence (5) shall conform to NFPA 105, “Smoke Door Assemblies and Other Opening Protectives”. (7) A leakage-rated door assembly need not be installed where a dwelling unit served by a public corridor has, (a) a second and separate means of egress, or (b) an open-air balcony that is sized to accommodate the number of occupants for which the dwelling unit is intended.
Notes to Table 3.1.3.1.:
3.1.8.6. Maximum Openings (1) The size of an opening in an interior fire separation required to be protected with a closure
shall be not more than 11 m2, with no dimension more than 3.7 m, if a fire compartment on either side of the fire separation is not sprinklered. (2) The size of an opening in an interior fire separation
required to be protected with a closure shall be not more than 22 m2, with no dimension more than 6 m, provided the fire compartments on both sides of the fire separation are sprinklered.
Notes to Table 3.1.3.1.:
3.1.8.7. Location of Fire Dampers and Smoke Dampers (1) Except as provided in Article 3.1.8.8., a fire damper having a
fire-protection rating conforming to Sentence 3.1.8.4.(2) shall be installed in conformance with Article 3.1.8.9. in ducts or air-transfer openings that penetrate an assembly required to be a fire separation. (2) Except as provided in Article 3.1.8.8A., a smoke damper or a combination smoke and fire damper shall be installed in conformance with Article 3.1.8.9A. in ducts or air-transfer openings that penetrate an assembly required to be a fire separation, where the fire separation, (a) separates a public corridor, (b) contains an egress door referred to in Sentence 3.4.2.4.(2), (c) serves an assembly,
care, care and treatment,
detention or residential occupancy, or (d) is installed to meet the requirements of Clause 3.3.1.7.(1)(b) or Sentence 3.3.3.5.(4) or 3.3.4.11.(4).
Notes to Table 3.1.3.1.:
3.1.8.8. Fire Dampers Waived (1) Except as permitted in Sentences (2) to (4), the requirement for fire dampers
described in Sentence 3.1.8.7.(1) is permitted to be waived for, (a) ducts that serve commercial cooking equipment, (b) continuous noncombustible
ducts having a melting point above 760°C that penetrate a vertical fire separation required by Sentence 3.3.1.1.(1) between suites of assembly, mercantile, low hazard industrial,
medium hazard industrial or high hazard industrial occupancy, (c) ducts or air-transfer openings that penetrate a vertical fire separation not required to have a fire-resistance rating, and (d)  noncombustible
ducts or air-transfer openings that penetrate a horizontal
fire separation not required to have a fire-resistance rating. (2) The requirement for fire dampers described in Sentence 3.1.8.7.(1) is permitted to be waived for noncombustible branch ducts having a melting point above 760°C that penetrate a fire separation, (a) provided the ducts, (i) have a cross-sectional area not more than 130 cm2 and serve only air-conditioning
units or combined air-conditioning and heating units discharging air not more than 1.2 m above the floor, or (ii) extend not less than 500 mm inside exhaust duct risers that are under negative pressure and in which the airflow is upward as required by Article 3.6.3.4., or (b) provided the fire separation separates a vertical service space
from the remainder of the building and provided each individual duct exhausts directly to the outdoors at the top of the vertical service space. (3) In elementary and secondary schools, a continuous noncombustible duct having a melting point above 760°C that pierces a fire separation having a fire-resistance rating of 30 min need not be equipped with a fire damper at the fire separation. (4) In a Group B, Division 3 occupancy which contains sleeping accommodation for not more than 10 persons, which has not more than six occupants who require assistance in evacuation in case of an emergency and which is equipped with a fire alarm system, a duct need not be equipped with a fire damper at a fire separation, provided duct-type smoke detectors have been installed to control smoke circulation as described in Article 3.2.4.13.
Notes to Table 3.1.3.1.:
3.1.8.8A. Smoke Dampers Waived (1) Except as permitted in Sentence (2), the requirement for smoke dampers or combination smoke and fire dampers described in Sentence 3.1.8.7.(2) is permitted to be waived for ducts, (a) that serve commercial cooking equipment, (b) in which all inlet and outlet openings serve not more than one fire compartment, (c) that penetrate a vertical fire separation referred to in Clause 3.3.1.7.(1)(b) or in Sentence 3.3.3.5.(4), provided, (i) the movement of air is continuous, and (ii) the configuration of the air-handling system prevents the recirculation of exhaust or return air under fire emergency conditions, or (d) that penetrate a vertical fire separation not required to have a fire-resistance rating and located within the fire compartment required in Sentence 3.3.3.5.(2). (2) The requirement for smoke dampers or combination smoke and fire dampers described in Sentence 3.1.8.7.(2) is permitted to be waived for noncombustible branch ducts having a melting point above 760°C that penetrate a fire separation, (a) provided the ducts, (i) have a cross-sectional area not more than 130 cm² and serve only air-conditioning
units or combined air-conditioning and heating units discharging air not more than 1.2 m above the floor, (ii) extend not less than 500 mm inside exhaust duct risers that are under negative pressure and in which the airflow is upward as required by Article 3.6.3.4., or (iii) are required to function as part of an air handling system used to provide make-up air in accordance with Sentence 3.2.6.2.(5.1), or any other system used to limit smoke movement, or, (b) provided the fire separation separates a vertical service space
from the remainder of the building and provided each individual duct exhausts directly to the outdoors at the top of the vertical service space.
Notes to Table 3.1.3.1.:
3.1.8.9. Installation of Fire Dampers (1) A fire damper shall be arranged to close automatically upon the operation of a fusible link conforming to ULC-S505, “Fusible Links for Fire Protection Service”, or other heat-actuated or smoke-actuated device. (2) A heat-actuated device referred to in Sentence (1) shall, (a) be located where it is readily affected by an abnormal rise of temperature in the duct, and (b) have a temperature rating approximately 30°C above the maximum temperature that would exist in the system either with the system in operation or shut down. (3) A fire damper shall be installed in the plane of the fire separation so as to stay in place should the duct be dislodged during a fire. (4) A fire damper shall be installed in the vertical or horizontal position in which it was tested. (5) A tightly fitted access door shall be installed for each fire damper to provide access for the inspection of the damper and the resetting of the release device.
Notes to Table 3.1.3.1.:
3.1.8.9A. Installation of Smoke Dampers (1) Where smoke dampers are used as a closure in an air-transfer opening, they shall be installed in the plane of the fire separation. (2) Where combination smoke and fire dampers are used as a closure in a duct, they shall be installed within 610 mm of the plane of the fire separation, provided there is no inlet or outlet opening between the fire separation
and the damper. (3) Except as required by a smoke control system, smoke dampers and combination smoke and fire dampers shall be configured so as to close automatically upon a signal from an adjacent smoke detector located as described in CAN/ULC-S524, “Installation of Fire Alarm Systems”, within 1.5 m horizontally of the duct or air-transfer opening in the fire separation, (a) on both sides of the air-transfer opening, or (b) in the duct downstream of the smoke damper or combination smoke and fire damper. (4) Smoke dampers or combination smoke and fire dampers shall be installed in the vertical or horizontal position in which they were tested. (5) A tightly fitted access door shall be installed for each smoke damper and combination smoke and fire damper to provide access for their inspection and the resetting of the release device.
Notes to Table 3.1.3.1.:
3.1.8.10. Twenty-Minute Closures (1) A door assembly having a fire-protection rating
not less than 20 min is permitted to be used as a closure
in, (a) a fire separation not required to have a fire-resistance rating more than 1 h, located between, (i) a public corridor and a suite, (ii) a corridor and adjacent sleeping rooms, or (iii) a corridor and adjacent classrooms, offices and libraries in Group A, Division 2 major occupancies, or (b) a fire separation not required to have a fire-resistance rating more than 45 min, located in a building
not more than 3 storeys in building height. (2) The requirements for noncombustible sills and combustible floor coverings in NFPA 80, “Fire Doors and Other Opening Protectives”, do not apply to a door described in Sentence (1). (3) A door described in Sentence (1) shall have a clearance not more than 6 mm at the bottom and not more than 3 mm at the sides and top. (4) In elementary and secondary schools, a door assembly conforming to Articles 9.10.13.2. and 9.10.13.3. is permitted to be used as a closure in a fire separation having a fire-resistance rating of 30 min.
Notes to Table 3.1.3.1.:
3.1.8.11. Self-Closing Devices (1) Except as provided in Sentences (2) to (5) and 3.3.3.2.(5), every door in a fire separation shall be equipped with a self-closing device designed to return the door to the closed position after each use. (2) Self-closing devices need not be provided on doors to freight elevators and dumbwaiters. (3) In a building that is not more than 3 storeys in building height, a self-closing device is not required on a door that is located between a classroom and a corridor providing access to exit from the classroom, except that a self-closing device is required on a door between a hazardous classroom and the corridor in an elementary or secondary school. (4) In a building that is not more than 3 storeys in building height, a self-closing device is not required on a door between a public corridor and an adjacent room or suite of business and personal services occupancy if the door is not located in, (a) a dead-end portion of the corridor, or (b) a corridor that serves a hotel. (5) Within a fire compartment in a hospital or long-term care home that complies with the requirements of Article 3.3.3.5., a self-closing device is not required on a door that is located between, (a) a patient’s or resident’s sleeping room and a corridor serving the patient’s or resident’s sleeping room, or (b) a patient’s or resident’s sleeping room and an adjacent room that serves the patient’s or resident’s sleeping room.
Notes to Table 3.1.3.1.:
3.1.8.12. Hold-Open Devices (1) Except as provided in Sentences 3.1.8.9.(1) and 3.1.8.9A.(3), a hold-open device is permitted to be used on a closure in a required fire separation, other than on an exit stair door in a building
more than 3 storeys in building height and on a door for a vestibule required by Article 3.3.5.7., provided the device is designed to release the closure in conformance with this Article. (2) Except as provided in Sentences (5) and (6), where the building is provided with a fire alarm system, a hold-open device permitted by Sentence (1) shall release, (a) in a single-stage system, upon any signal from the fire alarm system, and (b) in a two-stage system, (i) upon any alert signal from the fire alarm system, or (ii) upon actuation of any adjacent smoke detectors. (3) Where the building is provided with a fire alarm system, a hold-open device permitted by Sentence (1) shall release upon a signal from a smoke detector connected to the fire alarm system and located as described in CAN/ULC-S524, “Installation of Fire Alarm Systems”, where the hold-open device is used on, (a) an exit
door, (b) a door opening into a public corridor, (c) an egress door referred to in Sentence 3.4.2.4.(2), (d) a door serving an assembly, care, care and treatment, detention, or residential occupancy, (e) a door in a fire separation referred to in Clause 3.3.1.7.(1)(b) or in Sentence 3.3.3.5.(4) or 3.3.4.11.(4), or (f) a door required to function as part of a smoke control system. (4) Where the building is not provided with a fire alarm system, a hold-open device permitted by Sentence (1) shall release upon a signal from a smoke alarm located on either side of the fire separation at ceiling level within 1.5 m horizontally of the closure opening in the fire separation, where the hold-open device is used on closures described in Clauses (3)(a) to (e). (5) Where a hold-open device is used on closures other than those described in Sentences (3) and (4), it is permitted to be released upon actuation of a heat-actuated device. (6) A hold-open device used on a door located between a corridor used by the public and an adjacent sleeping room in a care and treatment occupancy
need not release automatically as described in Sentence (2).
Notes to Table 3.1.3.1.:
3.1.8.13. Door Latches (1) Except as permitted by Sentence 3.3.3.2.(5) and Article 3.3.3.5., a swing-type door in a fire separation shall be equipped with a positive latching mechanism designed to hold the door in the closed position after each use.
Notes to Table 3.1.3.1.:
3.1.8.14. Wired Glass and Glass Block (1) Except as permitted by Articles 3.1.8.16. and 3.1.8.17. for the separation of exits, an opening in a fire separation having a fire-resistance rating not more than 1 h is permitted to be protected with fixed wired glass assemblies or glass blocks installed in conformance with NFPA 80, “Fire Doors and Other Opening Protectives”. (2) Wired glass assemblies permitted by Sentence (1) and described in MMAH Supplementary Standard SB-2, “Fire Performance Ratings”, are permitted to be used as closures in vertical fire separations without being tested in accordance with Sentence 3.1.8.4.(1). (3) Glass blocks permitted by Sentence (1) shall be installed in accordance with Subsection 4.3.2. and reinforced with steel reinforcement in each horizontal joint.
Notes to Table 3.1.3.1.:
3.1.8.15. Temperature Rise Limit for Doors (1) Except as permitted by Article 3.1.8.17., the maximum temperature rise on the opaque portion of the unexposed side of a door used as a closure in a fire separation
in a location shown in Table 3.1.8.15., shall conform to the Table when tested in conformance with Sentence 3.1.8.4.(1). Table 3.1.8.15.   Restrictions on Temperature Rise and Glazing for Closures Forming Part of Articles of 3.1.8.15. and 3.1.8.16. Item   Column 1 Location   Column 2 Minimum Required Fire-Protection Rating of Door   Column 3 Maximum Temperature Rise on Opaque Portion of Unexposed Side of Door, °C   Column 4 Maximum Area of Wired Glass in Door, m2    Column 5 Maximum Aggregate Area of Glass Block and Wired Glass Panels not in Door, m2 

  1.   Between a dead-end corridor and an adjacent  occupancy where the corridor provides the only access to exit and is required to have a fire-resistance rating   Less than 45 min   No limit   No limit   No limit 

  45 min   250 after 30 min   0.0645   0.0645 

  2.   Between an exit enclosure and the remainder of the floor area in buildings not more than 3 storeys in building height   All ratings   No limit   0.8   0.8 

  3.   Between an exit enclosure and the remainder of the floor area (except as permitted above)   45 min   250 after 30 min   0.0645   0.0645 

      1.5 h   250 after 1 h   0.0645   0.0645 

      2 h   250 after 1 h   0.0645   0.0645 

  4.   In a firewall   1.5 h   250 after 30 min   0.0645   0 

          3 h   250 after 1 h   0   0
Notes to Table 3.1.3.1.:
3.1.8.16. Area Limits for Wired Glass and Glass Block (1) Except as permitted by Article 3.1.8.17., the maximum area of wired glass in a door used in the locations shown in Table 3.1.8.15. shall conform to the Table. (2) Except as permitted by Article 3.1.8.17., the maximum area of glass block and wired glass panels not in a door, used in the locations shown in Table 3.1.8.15., shall conform to the Table.
Notes to Table 3.1.3.1.:
3.1.8.17. Temperature Rise and Area Limits Waived (1) The temperature rise limits and glass area limits required by Articles 3.1.8.15. and 3.1.8.16. are waived for a closure
between an exit enclosure and an enclosed vestibule or corridor provided, (a) the vestibule or corridor is separated from the remainder of the floor area by a fire separation having a fire-resistance rating not less than 45 min, (b) the fire separation
required by Clause (a) contains no wired glass or glass block within 3 m of the
closure into the exit
enclosure, and (c) the vestibule or corridor contains no occupancy.
Notes to Table 3.1.3.1.:
3.1.8.18. Sprinkler Protected Glazed Wall Assembly (1) A sprinkler protected glazed wall assembly shall be constructed in accordance with the requirements of ULC/ORD C263.1, “Sprinkler-Protected Windows Systems”. (2) A sprinkler protected glazed wall assembly shall not be installed in, (a)  fire separations
requiring a fire-resistance rating of more than two hours, (b) a firewall, (c) a high hazard industrial occupancy, or (d) any part of an exit serving, (i) a floor area subject to the requirements of Subsection 3.2.6., (ii) a care occupancy, (iii) a care and treatment occupancy, (iv) a detention occupancy, or (v) a residential occupancy. (3) Where a sprinkler protected glazed wall assembly is installed in an exit fire separation permitted in Sentence (2), (a) the building shall be sprinklered, and (b) the exits protected with the sprinkler protected glazed wall assemblies shall not comprise more than one-half of the required number of exits from any floor area. 3.1.9. Penetrations in Fire Separations and Fire-Rated Assemblies
Notes to Table 3.1.3.1.:
3.1.9.1. Fire Stops (1) Except as provided in Sentences (2) to (5) and Article 3.1.9.3A., penetrations of a fire separation or a membrane forming part of an assembly required to have a fire-resistance rating shall be, (a) sealed by a fire stop that, when subjected to the fire test method in CAN/ULC-S115, “Fire Tests of Firestop Systems”, has an F rating not less than the fire-protection rating required for closures
in the fire separation in conformance with Table 3.1.8.4., or (b) tightly fitted. (2) Penetrations of a firewall or a horizontal
fire separation that is required to have a fire-resistance rating in conformance with Article 3.2.1.2. shall be sealed at the penetration by a fire stop
that, when subjected to the fire test method in CAN/ULC-S115, “Fire Tests of Firestop Systems”, has an FT rating not less than the fire-resistance rating required for the fire separation. (3) Penetrations of a fire separation in conformance with Sentence 3.6.4.2.(2) shall be sealed by a fire stop
that, when subjected to the fire test method in CAN/ULC-S115, “Fire Tests of Firestop Systems”, has an FT rating not less than the fire-resistance rating required for the fire separation of the assembly. (4) Sprinklers are permitted to penetrate a fire separation or a membrane forming part of an assembly required to have a fire-resistance rating without having to meet the fire stop requirements of Sentence (1), (2) or (3), provided the annular space created by the penetration of a fire sprinkler is covered by a metal escutcheon plate in accordance with NFPA 13, “Installation of Sprinkler Systems”. (5) Unless specifically designed with a fire stop, fire dampers are permitted to penetrate a fire separation
or a membrane forming part of an assembly required to have a fire-resistance rating without having to meet the fire stop requirements of Sentence (1), (2) or (3), provided the fire damper is installed in conformance with NFPA 80, “Fire Doors and Other Opening Protectives”.
Notes to Table 3.1.3.1.:
3.1.9.2. Combustibility of Service Penetrations (1) Except as permitted by Articles 3.1.9.3. and 3.1.9.4., pipes, ducts, electrical outlet boxes, totally enclosed raceways or other similar service equipment that penetrate an assembly required to have a fire-resistance rating shall be noncombustible unless the assembly has been tested incorporating that service equipment.
Notes to Table 3.1.3.1.:
3.1.9.3. Penetration by Wires, Cables and Outlet Boxes (1) Optical fibre cables and electrical wires and cables in totally enclosed noncombustible raceways are permitted to penetrate an assembly required to have a fire-resistance rating without being incorporated in the assembly at the time of testing as required by Article 3.1.9.2. (2) Except as permitted by Sentence (3), totally enclosed nonmetallic raceways conforming to Article 3.1.5.20., optical fibre cables, and electrical wires and cables, single or grouped, with combustible
insulation, jackets or sheathes that conform to the requirements of Clause 3.1.5.18.(1)(a) and that are not installed in totally enclosed noncombustible
raceways are permitted to penetrate an assembly required to have a fire-resistance rating without being incorporated in the assembly at the time of testing as required by Article 3.1.9.2., provided the overall diameter of the single or grouped wires or cables, or the raceways is not more than 25 mm. (3) Single conductor metal sheathed cables with combustible
jacketing that are more than 25 mm in overall diameter are permitted to penetrate a fire separation required to have a fire-resistance rating without being incorporated in the assembly at the time of testing as required by Article 3.1.9.2., provided the cables are not grouped and are spaced a minimum of 300 mm apart. (4) Combustible
totally enclosed raceways that are embedded in a concrete floor slab are permitted in an assembly required to have a fire-resistance rating without being incorporated in the assembly at the time of testing as required by Article 3.1.9.2., provided the concrete cover between the raceway and the bottom of the slab is not less than 50 mm. (5) Combustible electrical outlet boxes are permitted in an assembly required to have a fire-resistance rating without being incorporated in the assembly at the time of testing as required by Article 3.1.9.2., provided the opening through the membrane into the box is not more than 160 cm2. (6), (7) Revoked: O. Reg. 762/20, s. 4.
Notes to Table 3.1.3.1.:
3.1.9.3A. Penetration by Outlet Boxes (1) Except as provided in Sentences (2) and (3), outlet boxes are permitted to penetrate the membrane of an assembly required to have a fire-resistance rating, provided they are sealed at the penetration by a fire stop that has an FT rating not less than the fire-resistance rating of the fire separation when subjected to the fire test method in CAN/ULC-S115, “Fire Tests of Firestop Systems”. (2) Except as provided in Sentences 3.1.9.1.(2) and (3), noncombustible
outlet boxes that penetrate a vertical fire separation
or a membrane forming part of an assembly required to have a fire-resistance rating need not conform to Sentence (1), provided, (a) they do not exceed, (i) 160 cm² in area, and (ii) an aggregate area of 650 cm² in any 9.3 m² of surface area, and (b) the annular space between the membrane and noncombustible electrical outlet boxes does not exceed 3 mm. (3) In addition to the requirements of Sentence (2), outlet boxes on opposite sides of a vertical fire separation having a fire-resistance rating shall be separated by, (a) a horizontal distance of not less than 600 mm, or (b) a fire block
conforming to Article 3.1.11.7.
Notes to Table 3.1.3.1.:
3.1.9.4. Combustible Piping Penetrations (1) Except as permitted by Sentences (3) to (8), combustible
piping shall not be used if any part of the piping system penetrates, (a) a fire separation required to have a fire-resistance rating, or (b) a membrane that forms part of an assembly required to have a fire-resistance rating. (2) Combustible
piping that is part of a system described in Sentence (1) shall not be located in a vertical service space. (3) Except as provided by Sentences (4) to (7), combustible
piping is permitted to penetrate a fire separation
required to have a fire-resistance rating or is permitted to penetrate a membrane that forms part of an assembly required to have a fire-resistance rating, provided the piping is sealed at the penetration by a fire stop that has an F rating not less than the fire-resistance rating
required for the fire separation when subjected to the fire test method in CAN/ULC-S115, “Fire Tests of Firestop Systems”, with a pressure differential of 50 Pa between the exposed and unexposed sides, with the higher pressure on the exposed side. (4) Except as required by Sentence (7), combustible
drain piping is permitted to penetrate a horizontal fire separation, provided it leads directly from a noncombustible
water closet through a concrete floor slab and the piping is sealed at the penetration by a fire stop in conformance with Clause 3.1.9.1.(1)(a). (5) Except as required by Sentence (7), combustible
piping is permitted to penetrate a vertical or horizontal fire separation, provided the fire compartments
on each side of the fire separation are sprinklered and the piping is sealed at the penetration by a fire stop in conformance with Clause 3.1.9.1.(1)(a). (6) Except as required by Sentence (7), combustible
piping not more than 25 mm in diameter containing chlorine gas is permitted to penetrate a fire separation between a chlorine gas service room built in conjunction with a public pool or public spa and the remainder of the building, provided the piping is sealed at the penetration by a fire stop in conformance with Clause 3.1.9.1.(1)(a). (7) Where combustible piping penetrates a firewall or a horizontal fire separation
described in Sentence 3.2.1.2.(1), the piping shall be sealed at the penetration by a fire stop that has an FT rating not less than the fire-resistance rating required for the firewall or horizontal fire separation when subjected to the fire test method in CAN/ULC-S115, “Fire Tests of Firestop Systems”, and, (a) the fire stop
shall have been tested with a pressure differential of 50 Pa between the exposed and unexposed sides, with the higher pressure on the exposed side, or (b) the fire compartments
on each side of the firewall or horizontal fire separation shall be sprinklered. (8) Combustible piping for central vacuum cleaning systems is permitted to penetrate a fire separation, provided the installation conforms to the requirements that apply to combustible piping specified in Sentence (3).
Notes to Table 3.1.3.1.:
3.1.9.5. Openings through a Membrane Ceiling (1) A membrane ceiling forming part of an assembly assigned a fire-resistance rating on the basis of MMAH Supplementary Standard SB-2, “Fire Performance Ratings”, is permitted to be penetrated by openings leading into ducts within the ceiling space provided, (a) the ducts are sheet steel, and (b) the amount of openings and their protection conform to the requirements of MMAH Supplementary Standard SB-2, “Fire Performance Ratings”. (2) Fire stop flaps
in ceiling membranes required in Sentence (1) shall conform to CAN/ULC-S112.2, “Fire Test of Ceiling Firestop Flap Assemblies”.
Notes to Table 3.1.3.1.:
3.1.9.6. Plenums (1) A ceiling assembly used as a plenum
shall conform to Article 3.6.4.3. 3.1.10. Firewalls
Notes to Table 3.1.3.1.:
3.1.10.1. Prevention of Firewall Collapse (1) Except as permitted by Sentence (2), the connections and supports for structural framing members that are connected to or supported on a firewall and have a fire-resistance rating less than that required for the firewall, shall be designed so that the failure of the framing systems during a fire will not affect the integrity of the firewall during the fire. (2) Sentence (1) does not apply to a firewall
consisting of two separate wall assemblies each tied to its respective building frame but not to each other, provided each wall assembly is, (a) a fire separation having one-half of the fire-resistance rating required for the firewall by Sentences 3.1.10.2.(1) and (2), and (b) designed so that the collapse of one wall assembly will not cause the collapse of the other. (3) A firewall is permitted to be supported on the structural frame of a building of noncombustible construction provided the supporting frame has a fire-resistance rating not less than that required for the firewall. (4) Piping, ducts and totally enclosed noncombustible
raceways shall be installed so that their collapse will not cause the collapse of the firewall.
Notes to Table 3.1.3.1.:
3.1.10.2. Rating of Firewalls (1) A firewall that separates a building or buildings with floor areas containing a Group E or a Group F, Division 1 or 2 major occupancy shall be constructed as a fire separation of noncombustible construction having a fire-resistance rating
not less than 4 h, except that where the upper portion of a firewall separates floor areas
containing other than Group E or Group F, Division 1 or 2 major occupancies, the fire-resistance rating of the upper portion of the firewall is permitted to be not less than 2 h. (2) A firewall that separates a building or buildings with floor areas containing major occupancies other than Group E or Group F, Division 1 or 2 shall be constructed as a fire separation of noncombustible construction having a fire-resistance rating not less than 2 h. (3) Except as permitted by Sentence (4), the required fire-resistance rating of a firewall,
except for closures, shall be provided by masonry or concrete. (4) A firewall permitted to have a fire-resistance rating not more than 2 h need not be constructed of masonry or concrete provided, (a) the assembly providing the fire-resistance rating is protected against damage that would compromise the integrity of the assembly, (b) the design conforms to Article 4.1.5.17., (c) the level of performance of the firewall is not less than of masonry or concrete in the areas of, (i) performance during fire conditions, (ii) mechanical damage during the normal use of the building, and (iii) resistance to damage from moisture, (d) the firewall
separates buildings or buildings
with floor areas that do not contain, (i) a Group B, Division 1 major occupancy, or (ii) a Group B, Division 2
major occupancy, and (e) the firewall
does not separate a building regulated by the provisions of Subsection 3.2.6. or a building within the scope of Article 3.2.2.43A. or 3.2.2.50A. from another building unless the buildings
on both sides of the firewall are sprinklered.
Notes to Table 3.1.3.1.:
3.1.10.3. Continuity of Firewalls (1) A firewall shall extend from the ground continuously through, or adjacent to, all storeys of a building or buildings so separated, except that a firewall located above a basement storage garage conforming to Article 3.2.1.2. is permitted to commence at the floor assembly immediately above the storage garage. (2) A firewall is permitted to terminate on the underside of a reinforced concrete roof slab provided, (a) the roof slab on both sides of the
firewall has a fire-resistance rating not less than, (i) 1 h if the firewall is required to have a fire-resistance rating not less than 2 h, or (ii) 2 h if the firewall is required to have a fire-resistance rating not less than 4 h, and (b) there are no concealed spaces within the roof slab in that portion immediately above the firewall.
Notes to Table 3.1.3.1.:
3.1.10.4. Parapets (1) Except as permitted by Sentences (2) and 3.1.10.3.(2), a firewall shall extend above the roof surface to form a parapet not less than, (a) 150 mm high for a firewall required to have a fire-resistance rating not less than 2 h, and (b) 900 mm high for a firewall required to have a fire-resistance rating not less than 4 h. (2) A firewall that separates two buildings with roofs at different elevations need not extend above the upper roof surface to form a parapet, provided the difference in elevation between the roofs is more than 3 m.
Notes to Table 3.1.3.1.:
3.1.10.5. Maximum Openings (1) Openings in a firewall shall conform to the size limits described in Article 3.1.8.6. and the aggregate width of openings shall be not more than 25% of the entire length of the firewall.
Notes to Table 3.1.3.1.:
3.1.10.6. Exposure Protection for Adjacent Walls (1) The requirements of Article 3.2.3.14. shall apply to the external walls of two buildings that meet at a firewall at an angle less than 135°.
Notes to Table 3.1.3.1.:
3.1.10.7. Combustible Projections (1) Combustible
material shall not extend across the end of a firewall
but is permitted to extend across a roof above a firewall
that is terminated in conformance with Sentence 3.1.10.3.(2). (2) If buildings are separated by a firewall, combustible
projections on the exterior of one building, including balconies, platforms, canopies, eave projections and stairs, that extend outward beyond the end of the firewall, shall not be permitted within 2.4 m of combustible projections and window or door openings of the adjacent building. 3.1.11. Fire Blocks in Concealed Spaces
Notes to Table 3.1.3.1.:
3.1.11.1. Separation of Concealed Spaces (1) Concealed spaces in interior wall, ceiling and crawl spaces shall be separated from concealed spaces in exterior walls and attic or roof spaces by fire blocks conforming to Article 3.1.11.7.