Construction codes of Ontario

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Stairs, Ramps, Landings, Handrails and Guards in Garages

Stairs, Ramps, Landings, Handrails and Guards in Garages (1) Except as provided in Sentence 9.8.6.2. (3), stairs, ramps, landings, handrails and guards in a garage that serves a house or an individual dwelling unit shall conform to the requirements for stairs, ramps, landings, handrails and guards within a dwelling unit. Article 9.8.1.2 Ontario Regulation 332/12 Building […]

Stairway Design

Stairway Design Stairs may be site built but are most often factory manufactured. Stairways in houses can have a straight, continuous run without an intermediate landing, or consist of two or more runs with changes in direction, or may be curved, in which case special design criteria apply. The minimum allowable stairway headroom is 1.95 […]

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 […]

Straight and Curved Runs in Stairs

Straight and Curved Runs in Stairs (1) Except as permitted in Sentence (2), stairs shall consist of, (a) straight flights, (b) curved flights, or (c) spiral stairs. (2) Stairs within houses and individual dwelling units may consist of, (a) flights with rectangular treads and winders provided winders as described in Article 9.8.4.5. […]

Stringers

Stringers Treads and risers are supported on stringers that must be solidly supported, firmly fixed and properly positioned. The stringers may be either cut (see Figures 142 and 143) or ploughed to fit the outline of the treads and risers. Figure 142 Wood stringers must not be less than 25 mm (1 in.) thick when […]

Termination of Handrails

Termination of Handrails (1) Handrails shall be terminated in a manner that will not obstruct pedestrian travel or create a hazard. (2) Except for stairs and ramps serving a house or an individual dwelling unit, at least one handrail at the sides of a stair or ramp shall extend horizontally not less than 300 mm beyond […]

The slope of ramps

(1) The slope of ramps shall be not more than, (a) 1 in 10 for exterior ramps, (b) 1 in 10 for interior ramps serving residential occupancies, (c) 1 in 6 for industrial occupancies, and (d) 1 in 8 for all other occupancies. Article 9.8.5.4 Ontario Regulation 332/12 Building Code, O. Reg. […]