Construction codes of Ontario

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Spiral Stairs

(1) Spiral stairs shall have, (a) handrails on both sides, the outer handrail being not less than 1 070 mm high, (b) a clear width not less than 660 mm between handrails, (c) risers that are not more than 240 mm high, (d) treads that, (i) are a minimum of 190 […]

Stairs

(1) Stairs shall be inclined at an angle of not more than 45° with the horizontal, and their steps shall have risers not more than 210 mm high and treads not less than 220 mm wide exclusive of nosing. (2) Stairway headroom shall be not less than 1 950 mm plus the height of one riser […]

Stairways Lighting

Stairways Lighting (1) Every stairway shall be lighted. (2) Except as provided in Sentence (3), 3-way wall switches located at the head and foot of every stairway shall be provided to control at least one lighting outlet with fixture for stairways with four or more risers in a house or an individual dwelling unit. (3) The stairway lighting […]

Steel Beams

Steel Beams (1) The spans for steel beams with laterally supported top flanges shall conform to Table 9.23.4.3. for floors and Tables A-20 to A-29 for roofs and floors. (2) Beams described in Sentence (1) shall at least meet the requirements for Grade 350 W steel in CSA G40.21, “Structural Quality Steel”. (3) A beam may be […]

Steel Beams Spans

Steel Beams Spans (1) The spans for steel beams with laterally supported top flanges shall conform to Table 9.23.4.3. for floors and Tables A-20 to A-29 for roofs and floors. (2) Beams described in Sentence (1) shall at least meet the requirements for Grade 350 W steel in CSA G40.21, “Structural Quality Steel”. (3) A beam may be […]

Steel Columns End Bearing Plates

Steel Columns End Bearing Plates (1) Except as permitted in Sentence (2), steel columns shall be fitted with not less than 100 mm by 100 mm by 6.35 mm thick steel plates at each end, and where the column supports a wooden beam, the top plate shall extend across the full width of the beam. (2) The […]

Steel Columns Paint

Steel Columns Paint, (1) Exterior steel columns susceptible to corrosion shall be treated on the outside surface with at least one coat of rust-inhibitive paint. Article 9.17.3.3. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.