Construction codes of Ontario

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Columns in Contact with Concrete

Columns in Contact with Concrete (1) Wood columns shall be separated from concrete in contact with the ground by 0.05 mm polyethylene film or Type S roll roofing. Article 9.17.4.3 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Columns Lateral Support

Columns Lateral Support (1) Columns shall be securely fastened to the supported member to reduce the likelihood of lateral differential movement between the column and the supported member. (2) Except as permitted by Sentence (3), columns shall be laterally supported, (a) directly, or (b) by connection to the supported members. (3) Columns need not […]

Combination Room

(1) Two or more areas may be considered as a combination room if the opening between the areas occupies the larger of 3 m2 or 40% or more of the wall measured on the side of the dependent area. (2) Where the dependent area is a bedroom, direct passage shall be provided between the two areas. […]

Combined Living, Dining, Bedroom and Kitchen Spaces

Combined Living, Dining, Bedroom and Kitchen Spaces (1) Despite Subsections 9.5.4. to 9.5.7., where living, dining, bedroom and kitchen spaces are combined in a dwelling unit that contains sleeping accommodation for not more than two persons, the area of the combined spaces shall be not less than 13.5 m2. Article 9.5.8.1 Ontario Regulation 332/12 Building Code, […]

Concrete both non-reinforced and reinforced

Concrete, both non-reinforced and reinforced, is often used for footings, foundation walls, basement floor slabs and garage slabs-on-grade. Concrete for columns, fireplaces, chimneys and foundation walls must have a minimum strength of 15 MPa (2,200 psi). Basement floors must have a minimum strength of 20 MPa (3,000 psi). Garage and carport floors, exterior steps and […]

Concrete Columns Sizes

Concrete Columns Sizes (1) Concrete columns shall be not less than 200 mm by 200 mm for rectangular columns and 230 mm diam for circular columns. Article 9.17.6.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Concrete in Contact with Sulfate Soil

(1) Concrete in contact with sulfate soil, which is deleterious to normal cement, shall conform to the requirements in Clause 4.1.1.6. of CSA A23.1, “Concrete Materials and Methods of Concrete Construction”. Article 9.3.1.3 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.