jswizzle3737/ontario_laws_and_regs huggingface dataset:
2.22.3.1. General (1) A registered code agency may not be appointed to perform functions under Section 15.15 of the Act in respect of a building or continue to act under an appointment in respect of a building if the registered code agency: (a) is not registered under Section 2.19 in respect of the class of registration to which the construction of the building relates, or (b) is in breach of a condition of its registration under Article 2.19.3.7. (2) Where under Section 2.3. the design and general review of construction of a building must be undertaken by an architect or professional engineer or both, a registered code agency may not be appointed to perform functions under Section 15.15 of the Act or continue to act under an appointment in respect of the construction of the building unless the registered code agency or an officer, director, partner or employee of the registered code agency is an architect or professional engineer or both, as the case may be. (3) A registered code agency shall not be appointed under the Act or continue to act under an appointment if the registered code agency would be in a conflict of interest. (4) For the purposes of Sentence (3), a registered code agency would be in a conflict of interest if the registered code agency or an officer, director, partner or employee of the registered code agency or any person engaged by the registered code agency to perform functions for it: (a) has participated or participates, in any capacity, in design activities or construction relating to any part of the building to which an appointment relates, (b) is or has been employed within the previous 180 days by a person who carried out design activities or construction relating to any part of the building, (c) has a professional or financial interest in: (i) the construction of the building to which the appointment relates, (ii) the building to which the appointment relates, or (iii) the person responsible for the design of the building to which the appointment relates, (d) is an elected official, officer or employee of a principal authority. (5) For the purposes of Clause (4)(c), involvement with a building as a registered code agency and entitlement to any fee paid for acting as a registered code agency in respect of a building shall not be considered to be a professional or financial interest in the construction of the building, the building or the person responsible for the design of the building. 2.22.4.Additional Functions that Registered Code Agencies may be Appointed To Perform
2.22.4.1. General (1) In addition to the functions described in Paragraphs 1 to 5 of Section 15.15 of the Act, a registered code agency may be appointed to perform the functions set out in Sentence 2.22.5.3.(5). 2.22.5.Manner in which Registered Code Agency shall Perform Functions
2.22.5.1. General (1) The registered code agency shall perform the functions specified in an appointment in accordance with the Act and this Code and the quality management plan referred to in Clause 2.19.3.2.(1)(d). (2) The registered code agency shall perform the functions specified in an appointment in accordance with the code of conduct set out in the Supplementary Guidelines to the 1997 OBC.
2.22.5.2. Plans Review and Inspection Activities  (1) The registered code agency shall ensure that plans review and inspection activities of the registered code agency are carried out by a person who has the qualifications set out in Clause 2.19.3.2.(1)(b) or (c) in respect of the type of building set out in Column 3 of Table 2.20.2.2. for which the person is carrying out the activities. (2) Not more than 180 days after the day a notice is given under Sentence 2.19.3.8.(1) by the director to the registered code agency, the registered code agency shall: (a) ensure that plans review and inspection activities of the registered code agency in the category of qualification to which the notice relates are carried out by persons who have successfully completed all new examinations referred to in the notice, and (b) provide the following information to the director: (i) the name and residence address of the person, and (ii) information required by the director about the examinations that the person or persons have successfully completed. (3) A registered code agency shall prepare written records of every inspection of the construction of a building that is undertaken by the registered code agency in the course of performing functions under an appointment. (4) The record required under Sentence (3) shall include: (a) the date of receipt of the notice of readiness for inspection, if any, (b) the date of the inspection, (c) the reason for the inspection, (d) whether non-compliance with this Code was observed in the course of the inspection and the details of the non-compliance. (5) If a registered code agency has issued an order under Subsection 12 (2), 13 (1) or 13 (6) of the Act, the registered code agency shall prepare a written record consisting of: (a) a copy of the order, (b) the persons on whom the order was served and the date and manner of service, (c) when and how the order was complied with, and (d) if the order has not been complied with, the efforts made by the registered code agency to achieve compliance by the persons responsible for compliance.
2.22.5.4. Issuance of Orders by Registered Code Agencies (1) Orders under Subsections 13 (6) and 14 (1) of the Act shall, in accordance with the quality management plan described in Clause 2.19.3.2.(1)(d), be signed by the registered code agency or a person described in Clause 2.19.3.2.(1)(a). (2) Orders under Subsections 12 (2) and 13 (1) and Clause 18 (1) (f) of the Act shall, in accordance with the quality management plan described in Clause 2.19.3.2.(1)(d), be signed by the registered code agency or by a person described in Clause 2.19.3.2.(1)(b) or (c).
2.22.5.5. Authorized Persons (1) Persons who possess the qualifications described in Clauses 2.19.3.2.(1)(a), (b) and (c) are prescribed for the purposes of Subsection 15.17 (1) of the Act. (2) The certificate of authorization referred to in Subsection 15.17 (2) of the Act shall, in accordance with the quality management plan described in Clause 2.19.3.2.(1)(d), be signed by a representative of the registered code agency who is described in Clause 2.19.3.2.(1)(a) and shall contain the following information: (a) the name of the registered code agency and any identifying number issued by the director to the registered code agency, (b) the title, business address and business telephone number of a representative of the registered code agency who may be contacted to answer questions about the certificate and the authorization to which it relates, (c) the name of the authorized person and any identifying number issued by the director to the authorized person in respect of that person’s qualifications, (d) the scope of the powers that may be exercised and the functions that may be performed by the authorized person, (e) the date of issuance of the certificate. (3) Every person described in Sentence (1) shall carry his or her certificate of authorization when performing duties and shall produce the certificate for inspection upon request.
2.22.5.6. Prohibition (1) A registered code agency shall not dismiss, suspend, demote, discipline, harass or otherwise disadvantage an employee, or deny an employee a benefit of employment, by reason that (a) the employee, acting in good faith and on the basis of reasonable belief, has disclosed to the director that the registered code agency or any other person has contravened or intends to contravene a provision of the Act or this Code, (b) the employee, acting in good faith and on the basis of reasonable belief, has refused or stated an intention of refusing to do anything that is a contravention of a provision of the Act or this Code, (c) the employee, acting in good faith and on the basis of reasonable belief, has done or stated an intention of doing anything that is required to be done in order that a provision of the Act or this Code not be contravened, or (d) the registered code agency believes that the employee will do anything referred to in Clause (a), (b) or (c). (2) Nothing in this Section impairs any right of an employee either at law or under an employment contract or collective agreement. (3) In this Article, “employee” includes an independent contractor and “employer” includes the person who retains an employee who is an independent contractor.
2.22.5.7. Information and Records (1) The registered code agency shall maintain records of all plans review and inspection activity, of all certificates and orders and of any other activities taken in carrying out functions under an appointment in accordance with the quality management plan described in Clause 2.19.3.2.(1)(d). (2) Any information collected by a registered code agency in the course of the exercise of powers and the performance of duties under this Act may be used only for the purpose of performing functions under an appointment under Subsection 4.1 (2) of the Act and may be disclosed only: (a) to a principal authority pursuant to an agreement under Subsection 4.1 (1) of the Act, (b) to a principal authority to aid the enforcement in any manner of the Act, (c) where required or permitted under this Act, this Code, other applicable legislation or an order of a court. (3) A registered code agency shall ensure that any agreement under which the registered code agency engages a person to assist the registered code agency to perform functions under an appointment includes a provision that requires the person to comply with Sentences (1) and (2). 2.22.6. Termination of Appointment of a Registered Code Agency
2.22.6.1. Termination of an Appointment Made under Subsection 4.1 (2) of the Act (1) A principal authority may, in accordance with the terms of an agreement under Subsection 4.1 (1) of the Act, terminate the appointment of a registered code agency before the appointment expires under Section 15.19 of the Act.
2.22.6.2. Revoked: O. Reg. 245/04, s. 6. 2.22.7.Information to be Provided
2.22.7.1. Information to be Provided by a Principal Authority to the Director (1) If a principal authority that has appointed a registered code agency terminates the appointment before the appointment expires under Section 15.19 of the Act, the principal authority shall, as soon as possible after the termination, give the director notice of the termination and such other information concerning the circumstances of the termination and as may be required by the director. (2) If a principal authority has issued an order under Subsection 15.21 (1) of the Act, the principal authority shall as soon as possible after the order is issued give the director a copy of the order and such other information concerning the circumstances of the order and as may be required by the director.
2.22.7.2. Revoked: O. Reg. 245/04, s. 7.
2.22.7.3. Revoked: O. Reg. 245/04, s. 8.
2.22.7.4. Information to be Provided by a Registered Code Agency to the Director (1) A registered code agency that becomes or expects to become unable to carry out the functions for which the registered code agency was appointed shall as soon as possible give notice to the director of this situation.
3.1.1.1. Scope (1) The scope of this Part shall be as described in Section 2.1.
3.1.1.2. Reserved 3.1.2.Classification of Buildings or Parts of Buildings by Major Occupancy
3.1.2.1. Classification of Buildings (1) Except as permitted by Articles 3.1.2.3. to 3.1.2.6., every building or part thereof shall be classified according to its major occupancy as belonging to one of the Groups or Divisions described in Table 3.1.2.1. Table 3.1.2.1. Major Occupancy Classification Forming Part of Sentence 3.1.2.1.(1)  Group

Division

Description of Major Occupancies


A

1

Assembly occupancies intended for the production and viewing of the performing arts


A

2

Assembly occupancies not elsewhere classified in Group A


A

3

Assembly occupancies of the arena type


A

4

Assembly occupancies in which occupants are gathered in the open air


B

1

Detention occupancies


B

2

Care and treatment occupancies


B

3

Care occupancies


C

—

Residential occupancies


D

—

Business and personal services occupancies


E

—

Mercantile occupancies


F

1

High hazard industrial occupancies


F

2

Medium hazard industrial occupancies


F

3

Low hazard industrial occupancies


Column 1

2

3 (2) A building intended for use by more than one major occupancy shall be classified according to all major occupancies for which it is used or intended to be used.
3.1.2.2. Occupancies of the Same Classification (1) Any building is deemed to be occupied by a single major occupancy, notwithstanding its use for more than one major occupancy, provided that all occupancies are classified as belonging to the same Group classification or, where the Group is divided into Divisions, as belonging to the same Division classification described in Table 3.1.2.1.
3.1.2.3. Arena Type Buildings (1) An arena type building intended for occasional use for trade shows and similar exhibition purposes shall be classified as Group A, Division 3 occupancy. (2) If the building area of an arena type building referred to in Sentence (1) is more than 1 500 m2, the building shall be sprinklered.
3.1.2.5. Group B, Division 3 Occupancies (1) Group B, Division 3 occupancies are permitted to be classified as Group C major occupancies provided (a) the occupants live as a single housekeeping unit in a suite with sleeping accommodation for not more than 10 persons, and (b) not more than 2 occupants require assistance in evacuation in case of an emergency.
3.1.2.6. Restaurants (1) A restaurant is permitted to be classified as a Group E major occupancy provided the restaurant is designed to accommodate not more than 30 persons consuming food or drink. 3.1.3.Multiple Occupancy Requirements
3.1.3.1. Separation of Major Occupancies (1) Except as permitted by Sentences (2) and (3), major occupancies shall be separated from adjoining major occupancies by fire separations having fire-resistance ratings conforming to Table 3.1.3.1. Table 3.1.3.1. Major Occupancy Fire Separations(1) Forming Part of Sentence 3.1.3.1.(1)  Major Occupancy

Minimum Fire-Resistance Rating of Fire Separation, h (1)


Adjoining Major Occupancy


A-1

A-2

A-3

A-4

B-1

B-2

B-3

C

D

E

F-1

F-2

F-3


A-1
A-2
A-3
A-4
B-1
B-2
B-3
C
D
E
F-1
F-2
F-3

—
1
1
1
2
2
2
1
1
2
 (2)
2
1

1
—
1
1
2
2
2
1
1
2
 (2)
2
1

1
1
—
1
2
2
2
1
1
2
 (2)
2
1

1
1
1
—
2
2
2
1
1
2
 (2)
2
1

2
2
2
2
—
2
2
2
2
2
 (2)
2
2

2
2
2
2
2
—
1
2
2
2
 (2)
2
2

2
2
2
2
2
1
—
2
2
2
 (2)
2
2

1
1
1
1
2
2
2
—
1
2(3)
 (2)
2(4)
1

1
1
1
1
2
2
2
1
—
—
3
—
—

2
2
2
2
2
2
2
2(3)
—
—
3
—
—

 (2)
 (2)
 (2)
 (2)
 (2)
 (2)
 (2)
 (2)
3
3
—
2
2

2
2
2
2
2
2
2
2(4)
—
—
2
—
—

1
1
1
1
2
2
2
1
—
—
2
—
—


Column 1

2

3

4

5

6

7

8

9

10

11

12

13

14 Notes to Table 3.1.3.1.: (1)Section 3.3. contains requirements for the separation of occupancies and tenancies that are in addition to the requirements for the separation of major occupancies. (2)See Sentence 3.1.3.2.(1). (3)See Sentence 3.1.3.1.(2). (4)See Sentence 3.1.3.2.(2). (2) In a building not more than 3 storeys in building height, if not more than 2 dwelling units are contained together with a Group E major occupancy, the fire-resistance rating of the fire separation between the 2 major occupancies need not be more than 1 h. (3) The fire separations required between major occupancies in Sentence (1) are permitted to be penetrated by floor openings protected in conformance with Subsection 3.2.8., except for fire separations for Group F, Division 1 major occupancies and for mezzanines described in Sentence 3.2.8.2.(1).
3.1.3.2. Prohibition of Occupancy Combinations (1) No major occupancy of Group F, Division 1 shall be contained within a building with any occupancy classified as Group A, B or C. (2) Except as provided in Sentence (4) and Sentence 3.10.2.4.(9), not more than one suite of residential occupancy shall be contained within a building classified as a Group F, Division 2 major occupancy. (3) A sleeping room or sleeping area shall not open directly into a room or area where food is intended to be stored, prepared, processed, distributed, served, sold or offered for sale. (4) A Group F, Division 2 major occupancy is permitted in a building containing only live/work units and is for the exclusive use of the occupants of the live/work units. 3.1.4.Combustible Construction
3.1.4.1. Combustible Materials Permitted (1) A building permitted to be of combustible construction is permitted to be constructed of combustible materials described in Part 9, with or without noncombustible components.
3.1.4.2. Protection of Foamed Plastics (1) Foamed plastics which form part of a wall or ceiling assembly in combustible construction shall be protected from adjacent spaces in the building, other than adjacent concealed spaces within attic or roof spaces, crawl spaces, and wall assemblies (a) by one of the interior finishes described in Subsections 9.29.4. to 9.29.9., (b) by any thermal barrier that meets the requirements of Sentence 3.1.5.11.(2), or (c) where the building does not contain a Group B or Group C major occupancy, by sheet metal (i) mechanically fastened to the supporting assembly independent of the insulation, (ii) not less than 0.38 mm thick, and (iii) with a melting point not below 650oC.
3.1.4.3. Wires and Cables (1) Optical fibre cables and electrical wires and cables installed in a building permitted to be of combustible construction shall (a) 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 CAN/CSA-C22.2 No. 0.3, “Test Methods for Electrical Wires and Cables”, or (b) be located in (i) totally enclosed noncombustible raceways, (ii) concealed spaces in walls, (iii) concrete slabs, or (iv) totally enclosed nonmetallic raceways conforming to Article 3.1.5.19. (2) The requirement in Clause (1)(a) 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). (3) Service-entrance cables for communication and community antennae distribution systems need not conform to Sentence (1) provided (a) the service-entrance cables are located in a building permitted to be of combustible construction and are not more than 3 m in length from the point of entry into the building or from the point of leaving protection as required in Clause (1) (b), or (b) the service entrance cables enter into an electrical or telephone service room separated from the remainder of the building by a fire separation having a fire-resistance rating not less than 1 h.
3.1.4.4. Fire-Retardant Treated Wood (1) If fire-retardant treated wood is specified in this Part, the wood shall (a) be pressure impregnated with fire-retardant chemicals in conformance with CAN/CSA-O80 Series-M, “Wood Preservation”, and (b) have a flame-spread rating not more than 25.
3.1.4.5. Heavy Timber Construction Alternative (1) If combustible construction is permitted and is not required to have a fire-resistance rating more than 45 min, heavy timber construction is permitted to be used. (2) If heavy timber construction is permitted, it shall conform to Article 3.1.4.6.
3.1.4.7. Fabric Canopies (1) Where a building is permitted to be of combustible construction, fabrics or films used as part of an exterior canopy shall conform to CAN/ULC-S109-M, “Standard for Flame Tests of Flame-Resistant Fabrics and Films”. 3.1.5.Noncombustible Construction
3.1.5.1. Noncombustible Materials (1) Except as permitted by Articles 3.1.5.2. to 3.1.5.23., 3.1.13.4. and 3.2.2.16., a building or part of a building required to be of noncombustible construction, shall be constructed with noncombustible materials.
3.1.5.2. Minor Combustible Components (1) The following minor combustible components are permitted in a building required to be of noncombustible construction: (a) paint, (b) tightly adhering paper covering not more than 1 mm thick applied to a noncombustible backing provided the assembly has a flame-spread rating not more than 25, (c) mastics and caulking materials applied to provide flexible seals between the major components of exterior wall construction, (d) fire stop materials conforming to Sentence 3.1.9.1.(1) and Article 3.1.11.7., (e) tubing for pneumatic controls provided it has an outside diameter not more than 10 mm, (f) adhesives, vapour barriers and sheathing papers, (g) electrical outlet and junction boxes, (h) wood blocking within wall assemblies intended for the attachment of handrails, fixtures, and similar items mounted on the surface of the wall, and (i) similar minor components.
3.1.5.3. Combustible Roofing Materials (1) Combustible roof covering which has an A, B, or C classification determined in conformance with Subsection 3.1.15. is permitted on a building required to be of noncombustible construction. (2) Combustible roof sheathing and roof sheathing supports installed above a concrete deck are permitted on a building required to be of noncombustible construction provided (a) the concrete deck is not less than 50 mm thick, (b) the height of the roof space above the deck is not more than 1 000 mm, (c) the roof space is divided into compartments by fire stops in conformance with Article 3.1.11.5., (d) openings through the concrete deck other than for noncombustible roof drains and plumbing piping are protected by masonry or concrete shafts (i) constructed as fire separations having a fire-resistance rating not less than 1 h, and (ii) extending from the concrete deck to not less than 150 mm above the adjacent roof sheathing, (e) the perimeter of the roof is protected by a noncombustible parapet extending from the concrete deck to not less than 150 mm above the adjacent sheathing, and (f) except as permitted by Clause (d), the roof space does not contain any building services. (3) Combustible cant strips, roof curbs, nailing strips and similar components used in the installation of roofing are permitted on a building required to be of noncombustible construction. (4) Wood nailer facings to parapets, not more than 600 mm high, are permitted on a building required to be of noncombustible construction, if the facings and any roof membranes covering the facings are protected by sheet metal.
3.1.5.4. Combustible Glazing and Skylights (1) Combustible skylight assemblies are permitted in a building required to be of noncombustible construction if the assemblies have a flame-spread rating not more than (a) 150 provided the assemblies (i) have an individual area not more than 9 m2, (ii) have an aggregate horizontal projected area of the openings through the ceiling not more than 25% of the area of the ceiling of the room or space in which they are located, and (iii) are spaced not less than 2 500 mm from adjacent assemblies and 1 200 mm from required fire separations, or (b) 75 provided the assemblies (i) have an individual area not more than 27 m2, (ii) have an aggregate horizontal projected area of the openings through the ceiling not more than 33% of the area of the ceiling of the room or space in which they are located, and (iii) are spaced not less than 1 200 mm from adjacent assemblies and from required fire separations. (2) Combustible vertical glazing installed no higher than the second storey is permitted in a building required to be of noncombustible construction. (3) Except as permitted by Sentence (4), the combustible vertical glazing permitted by Sentence (2) shall have a flame-spread rating not more than 75. (4) The flame-spread rating of combustible glazing in Sentence (2) is permitted to be not more than 150 if the aggregate area of glazing is not more than 25% of the wall area of the storey in which it is located, and (a) the glazing is installed in a building not more than 1 storey in building height, (b) the glazing in the first storey is separated from the glazing in the second storey in accordance with the requirements of Article 3.2.3.16. for opening protection, or (c) sprinklers are installed in (i) any storey with combustible glazing, and (ii) the storey immediately above the storey with combustible glazing. (5) Combustible window sashes and frames are permitted in a building required to be of noncombustible construction provided (a) each window in an exterior wall face is an individual unit separated by noncombustible wall construction from every other opening in the wall, (b) windows in exterior walls in contiguous storeys are separated by not less than 1 000 mm of noncombustible construction, and (c) the aggregate area of openings in an exterior wall face of a fire compartment is not more than 40% of the area of the wall face.
3.1.5.5. Combustible Components for Exterior Walls (1) Except for an exposing building face required to conform to Sentence 3.2.3.7.(1) or Sentence 3.2.3.7.(4), an exterior non-loadbearing wall assembly that includes combustible components is permitted to be used in a building required to be of noncombustible construction provided (a) the building is (i) not more than 3 storeys in building height, or (ii) not more than 6 storeys in building height if sprinklered, (b) the interior surfaces of the wall assembly are protected by a thermal barrier conforming to Sentence 3.1.5.11.(3), and (c) the wall assembly satisfies the criteria of Sentences (2) and (3) when subjected to testing in conformance with CAN/ULC-S134, “Standard Method of Fire Test of Exterior Wall Assemblies”. (2) Flaming on or in the wall assembly shall not spread more than 5 m above the opening during the test procedure referenced in Sentence (1). (3) The heat flux during the flame exposure on a wall assembly shall be not more than 35 kW/m2 measured 3.5 m above the opening during the test procedure referenced in Sentence (1). (4) A wall assembly permitted by Sentence (1) that includes combustible cladding of fire-retardant treated wood shall be tested for fire exposure after the cladding has been subjected to an accelerated weathering test as specified in ASTM D2898, “Methods for Accelerated Weathering on Fire-Retardant-Treated Wood for Fire Testing”. (5) Wood decorative cladding is permitted to be used on exterior canopy fascias of a building required to be of noncombustible construction provided the cladding is fire-retardant treated wood that has been, before testing, conditioned in conformance with ASTM D2898, “Methods for Accelerated Weathering on Fire-Retardant-Treated Wood for Fire Testing”, and the canopy is (a) a first floor canopy, or (b) not more than 6 m above ground level (6) The requirements in this Article do not apply where foamed plastic insulation is used in an exterior wall assembly of a building and the insulation is protected in conformance with Sentences 3.2.3.7.(7) and (8).
3.1.5.6. Nailing Elements (1) Wood nailing elements attached directly to or set into a continuous noncombustible backing for the attachment of interior finishes, are permitted in a building required to be of noncombustible construction provided the concealed space created by the wood elements is not more than 50 mm thick.
3.1.5.7. Combustible Millwork (1) Combustible millwork including interior trim, doors and door frames, show windows together with their frames, aprons and backing, handrails, shelves, cabinets and counters is permitted in a building required to be of noncombustible construction.
3.1.5.8. Combustible Flooring Elements (1) Combustible stage flooring supported on noncombustible structural members is permitted in a building required to be of noncombustible construction. (2) Wood members more than 50 mm but not more than 375 mm high applied directly to or set into a noncombustible floor slab are permitted for the construction of a raised platform in a building required to be of noncombustible construction provided the concealed spaces are fire stopped in conformance with Sentence 3.1.11.3.(2). (3) The floor system for the raised platform referred to in Sentence (2) is permitted to include combustible subfloor and combustible finished flooring. (4) Combustible finished flooring is permitted in a building required to be of noncombustible construction.
3.1.5.9. Combustible Stairs in Dwelling Units (1) Combustible stairs are permitted in a dwelling unit in a building required to be of noncombustible construction.
3.1.5.10. Combustible Interior Finish (1) Combustible interior finish, including paint, wallpaper, and other interior finishes not more than 1 mm thick, is permitted in a building required to be of noncombustible construction. (2) Combustible interior wall finishes, other than foamed plastics, are permitted in a building required to be of noncombustible construction provided they (a) are not more than 25 mm thick, and (b) have a flame-spread rating not more than 150 on any exposed surface, or any surface that would be exposed by cutting through the material in any direction. (3) Combustible interior ceiling finishes, other than foamed plastics, are permitted in a building required to be of noncombustible construction provided they (a) are not more than 25 mm thick, except for exposed fire-retardant treated wood battens, and (b) have a flame-spread rating not more than 25 on any exposed surface, or on any surface that would be exposed by cutting through the material in any direction, or are of fire-retardant treated wood, except that not more than 10% of the ceiling area within each fire compartment is permitted to have a flame-spread rating not more than 150.
3.1.5.12. Combustible Elements in Partitions (1) Except as permitted by Sentence (2), solid lumber partitions not less than 38 mm thick and wood framing in partitions located in a fire compartment not more than 600 m2 in area are permitted to be used in a building required to be of noncombustible construction in a floor area that is not sprinklered provided the partitions (a) are not required fire separations, and (b) are not located in a care or detention occupancy. (2) Partitions installed in a building of noncombustible construction are permitted to contain wood framing provided (a) the building is not more than 3 storeys in building height, (b) the partitions are not located in a care or detention occupancy, and (c) the partitions are not installed as enclosures for exits or vertical service spaces. (3) Solid lumber partitions not less than 38 mm thick and partitions that contain wood framing are permitted to be used in a building required to be of noncombustible construction provided (a) the floor area containing the partitions is sprinklered, and (b) the partitions are not (i) located in a care or detention occupancy, (ii) installed as enclosures for exits or vertical service spaces, or (iii) used to satisfy the requirements of Clause 3.2.8.1.(1)(a).
3.1.5.13. Storage Lockers in Residential Buildings (1) Storage lockers in storage rooms are permitted to be constructed of wood in a building of residential occupancy required to be of noncombustible construction.
3.1.5.14. Combustible Ducts (1) Except as required by Sentence 3.6.4.3.(1), combustible ducts, including plenums and duct connectors, are permitted to be used in a building required to be of noncombustible construction provided these ducts and duct connectors are used only in horizontal runs. (2) Combustible duct linings, duct coverings, duct insulation, vibration isolation connectors, duct tape, pipe insulation and pipe coverings are permitted to be used in a building required to be of noncombustible construction provided they conform to the appropriate requirements of Part 6. (3) In a building required to be of noncombustible construction, combustible ducts need not comply with the requirements of Part 6 provided the ducts are (a) part of a duct system conveying only ventilation air, and (b) contained entirely within a dwelling unit.
3.1.5.15. Combustible Piping Materials (1) Except as permitted by Clause 3.1.5.2.(1)(e), Sentences (2) and (3), and Article 3.1.5.21., combustible piping and tubing and associated adhesives are permitted to be used in a building required to be of noncombustible construction provided that, except when concealed in a wall or concrete floor slab, they (a) have a flame-spread rating not more than 25, and (b) if used in a building described in Subsection 3.2.6., have a smoke developed classification not more than 50. (2) Combustible sprinkler piping is permitted to be used within a sprinklered floor area in a building required to be of noncombustible construction. (3) Polypropylene pipes and fittings are permitted to be used for drain, waste and vent piping for the conveyance of highly corrosive materials and for piping used to distribute distilled or dialyzed water in laboratory and hospital facilities in a building required to be of noncombustible construction, provided (a) the building is sprinklered, (b) the piping is not located in a vertical shaft, and (c) piping that penetrates a fire separation is sealed at the penetration by a fire stop system that, when subjected to the fire test method in CAN4-S115-M, “Standard Method of Fire Tests of Firestop Systems”, has an FT rating not less than the fire-resistance rating of the fire separation.
3.1.5.16. 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.
3.1.5.17. Wires and Cables (1) Except as permitted by Articles 3.1.5.18. and 3.1.5.20, 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 CAN/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 Article 3.1.5.19., 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).
3.1.5.18. Combustible Travelling Cables for Elevators (1) Combustible travelling cables are permitted on elevating devices in a building required to be of noncombustible construction.
3.1.5.19. Nonmetallic Raceways (1) Totally enclosed nonmetallic raceways not more than 625 mm2 in cross-sectional area are permitted to be used in a building required to be of noncombustible construction to enclose optical fibre cables and electrical wires and cables, provided the raceways exhibit a vertical char not more than 1.5 m when tested in conformance with the Vertical Flame Test (FT4 Rating) – Conduit or Tubing on Cable Tray in Clause 6.16 of CSA C22.2 No. 211.0-M, “General Requirements and Methods of Testing for Nonmetallic Conduit”.
3.1.5.20. 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).
3.1.5.21. 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.
3.1.5.22. Canopies Having Combustible Elements (1) Exterior canopies having combustible fabrics or films are permitted on a building required to be of noncombustible construction provided the fabrics and films conform to CAN/ULC-S109-M, “Standard for Flame Tests of Flame-Resistant Fabrics and Films”. (2) Except as permitted in Sentence (3), 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 (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 the Supplementary Guidelines where these openings are within (a) 4.5 m horizontally of the marquee, and (b) 9 m vertically above the marquee. (3) The protection required by Sentence (2) is permitted to be waived if the building is sprinklered.
3.1.5.23. 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.
3.1.5.24. Combustible Solar Collector Systems (1) A combustible solar collector system is permitted to be installed above the roof of a building required to be of noncombustible construction. 3.1.6.Reserved 3.1.7.Fire-Resistance Ratings
3.1.7.1. Determination of Ratings (1) Except as permitted by Sentence (2) and Article 3.1.7.2., 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-M, “Standard Methods of 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 the Supplementary Guidelines.
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.(6).
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.
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.
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) If an assembly is required to be of noncombustible construction and have a fire-resistance rating, it shall be supported by noncombustible construction. 3.1.8.Fire Separations and Closures
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 3.1.8.17. and Subsections 3.1.9. and 3.2.8.
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.
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.
3.1.8.4. Determination of Ratings (1) Except as permitted by Sentences (2) and 3.1.8.14.(2), the fire-protection rating for a closure shall be determined on the basis of the results of tests conducted in conformance with the appropriate provisions in (a) CAN4-S104-M, “Standard Method for Fire Tests of Door Assemblies”, (b) CAN4-S106-M, “Standard Method for Fire Tests of Window and Glass Block Assemblies”, or (c) CAN/ULC-S112-M, “Standard Method of 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. Table 3.1.8.4. Fire Protection Rating of Closure Forming Part of Sentence 3.1.8.4.(2)  Fire-Resistance Rating of Fire Separation

Required Fire-Protection Rating of Closure


30 min

20 min


45 min

45 min


1 h

45 min


1.5 h

1 h


2 h

1.5 h


3 h

2 h


4 h

3 h


Column 1

2
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, window assembly or glass block used as a closure in a required fire separation (a) shall be installed in conformance with NFPA 80, “Standard for Fire Doors and Fire Windows”, and (b) where required to have a fire-protection rating, shall have labels or classification marks to identify the testing laboratory. (3) 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.
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.
3.1.8.7. Fire Dampers (1) Except as permitted by Article 3.1.8.8., a duct that connects 2 fire compartments or that penetrates an assembly required to be a fire separation shall be equipped with a fire damper. (2) A fire damper required by Sentence (1) or a fire damper used as a closure in a fire separation shall have a fire-protection rating conforming to Sentence 3.1.8.4.(2).
3.1.8.8. Fire Dampers Waived (1) Fire dampers need not be provided in noncombustible branch ducts that have a melting point above 760°C and that penetrate a required fire separation provided the ducts (a) serve only air-conditioning units or combined air-conditioning and heating units discharging air not more than 1 200 mm above the floor and have a cross-sectional area not more than 0.013 m2, or (b) are connected to exhaust duct risers that are under negative pressure and in which the air flow is upward as required by Article 3.6.3.4. and are carried up inside the riser not less than 500 mm. (2) A continuous noncombustible duct penetrating a vertical fire separation not required to have a fire-resistance rating need not be equipped with a fire damper at the fire separation. (3) A noncombustible duct that penetrates a horizontal fire separation not required to have a fire-resistance rating need not be equipped with a fire damper at the fire separation. (4) A noncombustible duct that penetrates a fire separation that separates a vertical service space from the remainder of the building need not be equipped with a fire damper at the fire separation provided (a) the duct has a melting point above 760°C, and (b) each individual duct exhausts directly to the outside at the top of the vertical service space. (5) A continuous noncombustible duct having a melting point above 760°C that penetrates a vertical fire separation as required by Sentence 3.3.1.1.(1) between suites of other than residential or care or detention occupancy need not be equipped with a fire damper at the fire separation. (6) A duct that serves commercial cooking equipment and penetrates a required fire separation need not be equipped with a fire damper at the fire separation. (7) 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. (8) In a Group B, Division 3 occupancy that contains sleeping accommodation for not more than 10 persons and not more than 6 occupants requiring assistance in evacuation in case of an emergency and which is equipped with a fire alarm system, a duct need not be provided with a fire damper at a fire separation provided duct-type smoke detectors have been installed to control smoke circulation as described in Article 3.2.4.12.