Construction codes of Ontario

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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 […]

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.

Doorway Opening Sizes – Table

Table 9.5.11.1.Minimum Door Sizes Forming Part of Sentence 9.5.11.1.(1) Notes to Table 9.5.11.1.: (1) See Article 9.5.11.3. Table 9.5.11.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Ducts

(1) Ventilation ducts shall conform to the requirements of Part 6 for supply ducts, except that exhaust ducts that serve only a bathroom or water closet room may be of combustible material provided the duct is reasonably airtight and constructed of a material impervious to water. (2) Exhaust ducts shall not discharge into heated or unheated […]

Electrical Cable Method of installation (see Appendices B and G) Non-metallic-sheathed cable

Electrical Cable Method of installation (see Appendices B and G) Non-metallic-sheathed cable 1) The cable shall be run in continuous lengths between outlet boxes, junction boxes, and panel boxes as a loop system and the joints, splices, and taps shall be made in the boxes. 2) Where concealed wiring is connected to non-metallic-sheathed cable, the […]