DIVISION A · PART 1 — COMPLIANCE AND GENERALUpdated for the 2024 Ontario Building Code
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1.3.3.2.Application of Parts 3, 4, 5 and 6
(1) Subject to Articles 1.3.3.1A., 1.3.3.3B., Parts 3, 4, 5, and 6 of Division B apply to all buildings described in Article
1.1.1.1. and
(a) classified as post-disaster buildings,
(b) used for major occupancies classified as
(i) Group A, assembly occupancies,
(ii) Group B, care, care and treatment or detention occupancies, or
(iii) Group F, Division 1, high-hazard industrial occupancies, or
(c) exceeding 600 m2 in building area or exceeding 3 storeys in building height 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- and low-hazard industrial occupancies.
(2) Subject to Articles 1.3.3.1A. and 1.3.3.3B., Part 4 of Division B applies to
(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 structure that supports a wind turbine generator having a rated output of more than 3 kW,
(g) an outdoor pool that has a water depth greater than 3.5 m at any point, and
(h) a permanent solid nutrient storage facility with supporting walls exceeding 1 000 mm in exposed height.
(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.
(6) Section 3.17. of Division B applies to demountable stages and demountable support structures.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.