jswizzle3737/ontario_laws_and_regs huggingface dataset:
1.1.1.1. Scope of Division A (1) Division A contains compliance and application provisions and the objectives and functional statements of this Code.
1.1.1.2. Scope of Division B (1) Division B contains the acceptable solutions of this Code.
1.1.2.1. Application of Parts 1, 7 and 12 (1) Parts 1, 7 and 12 of Division B apply to all buildings.
1.1.2.2. Application of Parts 3, 4, 5 and 6 (1) Subject to Articles 1.1.2.6. and 1.3.1.2., Parts 3, 5 and 6 of Division B apply to all buildings, (a) used for major occupancies classified as, (i) Group A, assembly occupancies, (ii) Group B, care or detention occupancies, (iii) Group F, Division 1, high hazard industrial occupancies, or (b) exceeding 600 m2 in building area or exceeding three storeys in building height and used for major occupancies classified as, (i) Group C, residential occupancies, (ii) Group D, business and personal services occupancies, (iii) Group E, mercantile occupancies, or (iv) Group F, Divisions 2 and 3, medium hazard industrial occupancies and low hazard industrial occupancies. (2) Subject to Articles 1.1.2.6. and 1.3.1.2., Part 4 of Division B applies to, (a) post-disaster buildings, (b) buildings described in Sentence (1), (c) a retaining wall exceeding 1 000 mm in exposed height adjacent to, (i) public property, (ii) access to a building, or (iii) private property to which the public is admitted, (d) a pedestrian bridge appurtenant to a building, (e) a crane runway, (f) an exterior storage tank and its supporting structure that is not regulated by the Technical Standards and Safety Act, 2000, (g) signs regulated by Section 3.15. of Division B that are not structurally supported by a building, (h) a structure that supports a wind turbine generator having a rated output of more than 3 kW, (i) a communication tower exceeding 16.6 m above ground level, and (j) an outdoor pool that has a water depth greater than 3.5 m at any point. (3) Section 3.11. of Division B applies to public pools. (4) Section 3.12. of Division B applies to public spas. (5) Section 3.15. of Division B applies to signs.
1.1.2.3. Application of Part 8 (1) Part 8 of Division B applies to the construction, operation and maintenance of all sewage systems and to the construction of buildings in the vicinity of sewage systems.
1.1.2.4. Application of Part 9 (1) Subject to Articles 1.1.2.6. and 1.3.1.2., Part 9 of Division B applies to all buildings, (a) of three or fewer storeys in building height, (b) having a building area not exceeding 600 m2, and (c) used for major occupancies classified as, (i) Group C, residential occupancies, (ii) Group D, business and personal services occupancies, (iii) Group E, mercantile occupancies, or (iv) Group F, Divisions 2 and 3, medium hazard industrial occupancies and low hazard industrial occupancies.
1.1.2.5. Application of Part 10 (1) Part 10 of Division B applies to existing buildings requiring a permit under section 10 of the Act.
1.1.2.7. Existing Buildings  (1) Except as provided in Section 3.17. of Division B, Section 9.41. of Division B and Part 11 of Division B, if an existing building is extended or is subject to material alteration or repair, this Code applies only to the design and construction of the extensions and those parts of the building that are subject to the material alteration or repair. (2) If an existing previously occupied building is moved from its original location to be installed elsewhere, or is dismantled at its original location and moved to be reconstituted elsewhere, this Code applies only to changes to the design and construction of the building required as a result of moving the building. 1.1.3. Building Size Determination
1.1.3.1. Building Size Determination of Building Divided by Firewalls (1) Where a firewall divides a building, each portion of the building that is divided shall be considered as a separate building, except for the purposes of, (a) a determination of gross area in Section 1.2. of Division C, (b) a fire alarm and detection system in Sentence 3.2.4.2.(1) of Division B or Article 9.10.18.1. of Division B, and (c) a plumbing system interconnected through a firewall.
1.1.3.2. Building Size Determination of Building Divided by Vertical Fire Separations (1) Except as permitted in Sentence (2), if portions of a building are completely separated by a vertical fire separation that has a fire-resistance rating of at least 1 h and that extends through all storeys and service spaces of the separate portions, each separated portion may be considered to be a separate building for the purpose of determining building height if, (a) each separated portion is not more than three storeys in building height and is used only for residential occupancies, and (b) the unobstructed path of travel for a fire fighter from the nearest street to one entrance to each separated portion is not more than 45 m. (2) The vertical fire separation in Sentence (1) may terminate at the floor assembly immediately above a basement if the basement conforms to Article 3.2.1.2. of Division B. Section 1.2. Compliance 1.2.1. Compliance with Division B
1.2.1.1 Compliance with Division B (1) Compliance with Division B shall be achieved, (a) by complying with the applicable acceptable solutions in Division B, or (b) by using alternative solutions that will achieve the level of performance required by the applicable acceptable solutions in respect of the objectives and functional statements attributed to the applicable acceptable solutions in Supplementary Standard SA-1. (2) For the purposes of Clause (1)(b), the level of performance in respect of a functional statement refers to the performance of the functional statement as it relates to the objective with which it is associated in Supplementary Standard SA-1. 1.2.2. Materials, Appliances, Systems and Equipment
1.3.1.1. Designated Structures (1) The following structures are designated for the purposes of clause (d) of the definition of building in subsection 1 (1) of the Act: (a) a retaining wall exceeding 1 000 mm in exposed height adjacent to, (i) public property, (ii) access to a building, or (iii) private property to which the public is admitted, (b) a pedestrian bridge appurtenant to a building, (c) a crane runway, (d) an exterior storage tank and its supporting structure that is not regulated by the Technical Standards and Safety Act, 2000, (e) signs regulated by Section 3.15. of Division B that are not structurally supported by a building, (f) a solar collector that is mounted on a building and has a face area equal to or greater than 5 m², (g) a structure that supports a wind turbine generator having a rated output of more than 3 kW, (h) a dish antenna that is mounted on a building and has a face area equal to or greater than 5 m², (i) a communication tower exceeding 16.6 m above ground level, (j) an outdoor pool, and (k) Reserved (l) an outdoor public spa.
1.3.1.2. Farm Buildings (1) Except as provided in Sentences (2) to (4), farm buildings shall conform to the requirements in the CCBFC, “National Farm Building Code of Canada”. (2) Articles 1.1.1.2. and 3.1.8.1. and Subsections 3.1.4. and 4.1.4. in the CCBFC, “National Farm Building Code of Canada” do not apply to farm buildings. (3) In the CCBFC, “National Farm Building Code of Canada”, references in Articles 1.1.1.3., 2.2.2.1., 2.2.2.2., 2.3.1.1., 2.3.2.1., 3.1.1.1., 3.1.1.2., 3.1.2.1. and 3.1.6.1. to the National Building Code of Canada are deemed to be references to Ontario Regulation 403/97 (Building Code) made under the Act, as that regulation read immediately before it was revoked. (4) A farm building of low human occupancy having a building area not exceeding 600 m2 and not more than three storeys in building height is deemed to comply with the structural requirements of the CCBFC, “National Farm Building Code of Canada” if it is designed and constructed in conformance with Supplementary Standard SB-11. (5) A liquid manure storage tank shall comply with the requirements of Part 4 of Division B of this Code and the requirements of Part 4 of the CCBFC, “National Farm Building Code of Canada”. Section 1.4.  Terms and Abbreviations 1.4.1.Definitions of Words and Phrases
1.4.1.1. Non-defined Terms (1) Definitions of words and phrases used in this Code that are not included in the list of definitions in Articles 1.4.1.2. and 1.4.1.3. and are not defined in another provision of this Code shall have the meanings that are commonly assigned to them in the context in which they are used, taking into account the specialized use of terms by the various trades and professions to which the terminology applies.
1.4.2.1. Symbols and Other Abbreviations (1) In this Code, a symbol or abbreviation listed in Column 1 of Table 1.4.2.1. shall have the meaning listed opposite it in Column 2. Table 1.4.2.1.   Symbols and Abbreviations Forming Part of Sentence 1.4.2.1.(1)  Column 1

Column 2


Item

Symbol or Abbreviation

Meaning


1.

1 in 2

slope of 1 vertical to 2 horizontal


2.

ABS

acrylonitrile-butadiene-styrene


3.

BOD5

the five day biochemical oxygen demand


4.

CBOD5

the five day carbonaceous biochemical oxygen demand


5.

Cm

centimetre(s)


6.

Cm²

square centimetre(s)


7.

CPVC

chlorinated poly (vinyl chloride)


8.

dB(A)

A-weighted sound level


9.

°

degree(s)


10.

°C

degree(s) Celsius


11.

Diam

diameter


12.

DWV

drain, waste and vent


13.

Ft

foot (feet)


14.

G

gram(s)


15.

Ga

gauge


16.

Gal

imperial gallon(s)


17.

Gal/min

imperial gallon(s) per minute


18.

H

hour(s)


19.

HVAC

heating, ventilating and air-conditioning


20.

Hz

hertz


21.

In

inch(es)


22.

J

joule(s)


23.

Kg

kilogram(s)


24.

kg/m²

kilograms per square metre


25.

kN

kilonewton(s)


26.

kPa

kilopascal(s)


27.

kW

kilowatt(s)


28.

L

litre(s)


29.

L/s

litre(s) per second


30.

Lx

lux


31.

M

metre(s)


32.

m²

square metre(s)


33.

m/s

metre(s) per second


34.

max.

maximum


35.

Mg/L

milligram(s) per litre


36.

Min

minute(s)


36.1

min.

minimum


37.

MJ

megajoule(s)


38.

Mm

millimetre(s)


39.

Mpa

megapascal(s)


40.

N

newton


41.

N/A

not applicable


42.

Ng

nanogram(s)


43.

No.

number(s)


44.

Nom.

nominal


45.

o.c.

on centre


46.

OSB

oriented strandboard


47.

Pa

pascal(s)


48.

PB

polybutylene


49.

PE

polyethylene


50.

PE/AL/PE

polyethylene/aluminum/polyethylene


51.

PEX

crosslinked polyethylene


52.

PEX/AL/PEX

crosslinked polyethylene/aluminum/crosslinked polyethylene


53.

PVC

poly (vinyl chloride)


54.

RSI

thermal resistance, International System of Units


55.

S

second(s)


56.

temp.

temperature


57.

T&G

tongue and groove


58.

W

watt(s)


59.

Wt

weight


60.

%

per cent Section 1.5. Referenced Documents and Organizations 1.5.1. Referenced Documents
1.5.1.1. Application of Referenced Documents (1) The provisions of a referenced document in Divisions A and B apply only to the extent that the provisions relate to, (a) buildings, and (b) the objectives and functional statements attributed to the applicable acceptable solutions in Division B where the document is referenced.
1.1.2.1. Climatic and Seismic Design Values (1) The climatic and seismic values required for the design of buildings under this Code shall be in conformance with the climatic and seismic values provided in Supplementary Standard SB-1. (2) The outside winter design temperatures determined from Supplementary Standard SB-1 shall be those listed for the January 2.5% values.
1.3.1.1. Effective Date (1) Unless otherwise specified in this Code, the documents referenced in this Code shall include all amendments, revisions and supplements effective to November 30, 2009.
3.1.1.1. Scope (1) The scope of this Part shall be as described in Subsection 1.1.2. of Division A. 3.1.1.2. Reserved
3.1.1.3. Radon  (1) In addition to all other requirements, a building in the following designated areas shall be designed and constructed so that the annual average concentration of radon 222 does not exceed 250 millibecquerels per litre of air and the annual average concentration of the short lived daughters of radon 222 does not exceed 0.02 working levels inside the building: (a) The Town of Elliot Lake in the Territorial District of Algoma, (b) The Township of Faraday in the County of Hastings, and (c) The geographic Township of Hyman in the Territorial District of Sudbury.
3.1.1.4. Building in Flood Plains (1) Buildings constructed on flood plains shall, (a) be designed and constructed in accordance with good engineering practice to withstand anticipated vertical and horizontal hydrostatic pressures acting on the structure, and (b) incorporate floodproofing measures that will preserve the integrity of exits and means of egress during times of flooding. 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 of it shall be classified according to its major occupancy as belonging to one of the Groups or Divisions described in Table 3.1.2.1. (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. Table 3.1.2.1.   Major Occupancy Classification Forming Part of Sentence 3.1.2.1.(1)  Column 1

Column 2

Column 3


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
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.
3.1.2.4. Police Stations (1) A police station with detention quarters is permitted to be classified as a Group B, Division 2 major occupancy provided the station is not more than 1 storey in building height and 600 m2 in building area.
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)  Column 1

Col. 2

Col. 3

Col. 4

Col. 5

Col. 6

Col. 7

Col. 8

Col. 9

Col. 10

Col. 11

Col. 12

Col. 13

Col. 14


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

---

1

1

1

2

2

2

1

1

2

(2)

2

1


A-2

1

---

1

1

2

2

2

1

1

2

(2)

2

1


A-3

1

1

---

1

2

2

2

1

1

2

(2)

2

1


A-4

1

1

1

---

2

2

2

1

1

2

(2)

2

1


B-1

2

2

2

2

---

2

2

2

2

2

(2)

2

2


B-2

2

2

2

2

2

---

1

2

2

2

(2)

2

2


B-3

2

2

2

2

2

1

---

2

2

2

(2)

2

2


C

1

1

1

1

2

2

2

---

1

2(3)

(2)

2(4)

1


D

1

1

1

1

2

2

2

1

---

---

3

---

---


E

2

2

2

2

2

2

2

2(3)

---

---

3

---

---


F-1

(2)

(2)

(2)

(2)

(2)

(2)

(2)

(2)

3

3

---

2

2


F-2

2

2

2

2

2

2

2

2(4)

---

---

2

---

---


F-3

1

1

1

1

2

2

2

1

---

---

2

---

---
Notes to Table 3.1.3.1.:
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
Notes to Table 3.1.3.1.:
3.1.4.1. Combustible Materials Permitted (1) A building permitted to be of combustible construction is permitted to be constructed of combustible materials, with or without noncombustible components.
Notes to Table 3.1.3.1.:
3.1.4.2. Protection of Foamed Plastics (1) Foamed plastics that 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 3.1.5.12.(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 650°C. (2) The flame-spread rating on any exposed surface of combustible insulation, or any surface that would be exposed by cutting through it in any direction, shall be not more than 500.
Notes to Table 3.1.3.1.:
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 3.1.5.20. (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.
Notes to Table 3.1.3.1.:
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.
Notes to Table 3.1.3.1.:
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.
Notes to Table 3.1.3.1.:
3.1.5.1. Noncombustible Materials (1) Except as permitted by Sentences (2) to (4) and Articles 3.1.5.2. to 3.1.5.25., 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. (2) Notwithstanding the definition for noncombustible materials stated in Article 1.4.1.2. of Division A, a material is permitted to be used in noncombustible construction provided that, when tested in accordance with CAN/ULC-S135, “Test Method for the Determination of Combustibility Parameters of Building Materials Using an Oxygen Consumption Calorimeter (Cone Calorimeter)” at a heat flux of 50 kW/m2, (a) its average total heat release is not more than 3 MJ/m2, (b) its average total smoke extinction area is not more than 1.0 m2, and (c) the test duration is extended beyond the time stipulated in the referenced standard until it is clear that there is no further release of heat or smoke. (3) If a material referred to in Sentence (2), consists of a number of discrete layers and testing reveals that the surface layer or layers protects the underlying layers such that the complete combustion of the underlying layers does not occur, the test shall be repeated by removing the outer layers sequentially until all layers have been exposed during testing, or complete combustion has occurred. (4) The acceptance criteria for a material tested in accordance with Sentence (3) shall be based on the cumulative emissions from all layers, which must not exceed the criteria stated in Clauses (2)(a) and (2)(b).
Notes to Table 3.1.3.1.:
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) mastics and caulking materials applied to provide flexible seals between the major components of exterior wall construction, (c) fire stop materials conforming to Sentence 3.1.9.1.(1) and Article 3.1.11.7., (d) tubing for pneumatic controls provided it has an outside diameter not more than 10 mm, (e) adhesives, vapour barriers and sheathing papers, (f) electrical outlet and junction boxes, (g) wood blocking within wall assemblies intended for the attachment of handrails, fixtures, and similar items mounted on the surface of the wall, and (h) similar minor components.
Notes to Table 3.1.3.1.:
3.1.5.3. Combustible Roofing Materials (1) Combustible roof covering that 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.
Notes to Table 3.1.3.1.:
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 3.2.3.17. 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.
Notes to Table 3.1.3.1.:
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 3.1.5.12.(3), and (c) the wall assembly satisfies the criteria of Sentences (2) and (3) when subjected to testing in conformance with CAN/ULC-S134, “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, “Accelerated Weathering on Fire-Retardant-Treated Wood for Fire Testing”. (5) 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 3.2.3.8.(1) and (2).
Notes to Table 3.1.3.1.:
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.
Notes to Table 3.1.3.1.:
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.
Notes to Table 3.1.3.1.:
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.
Notes to Table 3.1.3.1.:
3.1.5.13. 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).
Notes to Table 3.1.3.1.:
3.1.5.14. 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.
Notes to Table 3.1.3.1.:
3.1.5.15. 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.
Notes to Table 3.1.3.1.:
3.1.5.16. Combustible Piping Materials (1) Except as permitted by Clause 3.1.5.2.(1)(d) , Sentences (2) and (3), and Article 3.1.5.22., 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, “Fire Tests of Firestop Systems”, has an FT rating not less than the fire-resistance rating of the fire separation.
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 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 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 3.1.5.20., 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) 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 the raceways exhibit a vertical char not more than 1.5 m when tested in conformance with the Test for Flame Propagation (Riser) in Section 3.4 of the ULC/ORD-C2024, “Fire Tests for Optical Fibre Cable Raceways” or Clause 6.16 of CSA C22.2 No 211.0, “General Requirements and Methods of Testing for Nonmetallic Conduit” (FT-4 rating).
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.:
3.1.5.23. 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 Supplementary Standard SB-2 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-M, “Test for Surface Burning Characteristics of Building Materials and Assemblies,” has been conditioned in conformance with ASTM D 2898, “Accelerated Weathering of Fire-Retardant Treated Wood for Fire Testing”.
Notes to Table 3.1.3.1.:
3.1.5.26. 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 non-combustible construction. 3.1.6. Reserved 3.1.7. Fire-Resistance Ratings
Notes to Table 3.1.3.1.:
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, “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 Supplementary Standard SB-2.
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.(6).
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) 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
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 on the basis of the results of tests conducted in conformance with the appropriate provisions in, (a) CAN4-S104-M, “Fire Tests of Door Assemblies”, (b) CAN4-S106-M, “ Fire Tests of Window and Glass Block Assemblies”, or (c) CAN/ULC-S112-M, “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)  Column 1

Column 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
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, 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) 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.
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. Fire Dampers (1) Except as permitted by Article 3.1.8.8., a duct that penetrates an assembly required to be a fire separation shall be equipped with a fire damper.