Construction codes of Ontario

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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 […]

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.

Drainage Tile and Pipe Installation

Drainage Tile and Pipe Installation (1) Drain tile or pipe shall be laid on undisturbed or well-compacted soil so that the top of the tile or pipe is below the bottom of the floor slab or the ground cover of the crawl space. (2) Drain tile or pipe with butt joints shall be laid with 6 […]

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 […]

End Bearing for Joists

End Bearing for Joists (1) Except when supported on ribbon boards, floor joists shall have not less than 38 mm length of end bearing. (2) Ribbon boards referred to in Sentence (1) shall be not less than 19 mm by 89 mm lumber let into the studs. Article 9.23.9.1. Ontario Regulation 332/12 Building Code, Information published […]