Construction codes of Ontario

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Design and Attachment of Handrails

Design and Attachment of Handrails (1) Handrails and their supports shall be designed and constructed to withstand the following loads, which need not be considered to act simultaneously: (a) a concentrated load of not less than 0.9 kN applied at any point and in any direction for all handrails, and (b) for handrails other […]

Dimensions for Risers

(1) The rise, which is measured as the vertical nosing-to-nosing distance, shall conform to Table 9.8.4.1. Table 9.8.4.1.Rise for Rectangular Treads, Tapered Treads and Winders and Run for Rectangular Treads Forming Part of Sentences 9.8.4.1.(1) and 9.8.4.2.(1) Notes to Table 9.8.4.1.: (1) Private stairs are: (a) interior stairs within a house or an individual dwelling unit, […]

Dimensions for Runs and Rectangular Treads

(1) The run for rectangular treads shall conform to Table 9.8.4.1. (2) The depth of a rectangular tread shall be not less than its run and not more than its run plus 25 mm. Article 9.8.4.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Dimensions for Tapered Treads

Dimensions for Tapered Treads (1) Except as provided in Sentence (2) and Articles 9.8.4.5. and 9.8.4.5A., tapered treads shall have a run that, (a) is not less than 150 mm at the narrow end of the tread, and (b) complies with the dimensions for rectangular treads specified in Table 9.8.4.1. when measured at a […]

Dimensions of Landings

(1) Except as provided in Sentences (2) to (7), landings shall be, (a) at least as wide as the width of the stair or ramp in which they occur, and (b) at least as long as the width of the stair or ramp in which they occur. (2) Where the landing in a stair […]

Door Latching, Locking and Opening Mechanisms

Door Latching, Locking and Opening Mechanisms (1) Principal entrance doors, exit doors and doors to suites, including exterior doors serving a house or an individual dwelling unit, and other doors in an access to exit shall, (a) be openable from the inside or in travelling to an exit without requiring keys, special devices or specialized […]

Doorway Opening Sizes

Doorway Opening Sizes (1) Except as provided in Articles 9.5.11.3., 9.9.6.2. and 9.9.6.3., doorway openings within dwelling units shall be designed to accommodate at least the door sizes in Table 9.5.11.1. for swing-type doors or folding doors Article 9.5.11.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.