![]() accessibility requirements for barrier-free access.water conservation improvements to plumbing fixtures. ![]() structural sufficiency of buildings to withstand external forces and improve resilience.fire safety measures that include fire prevention and early detection and warning systems.January 1, 2020: the majority of the amendments come into effect, including:.removal of technical requirements related to electric vehicle charging infrastructure in houses and non-residential large buildings, such as workplaces.May 2, 2019: requirements to the Building Code came into effect in the following areas:.The amendments are based on code change proposals the ministry consulted in 20. Reg 332/12) to further harmonize Ontario’s Building Code with the 2015 National Codes. The Ministry of Municipal Affairs and Housing amended Ontario’s Building Code (O. Therefore if a handrail is provided on one side, the clear width of the stairs shall not be less than 31 ½ inches and when handrails are provided on both sides, the clear width shall not be less than 27 inches.JanuMessage from the Ministry of Municipal Affairs and Housing Amendment to the 2012 Building Code Now when handrails are introduced they shall not project more than 4 ½ inches on either side. The minimum width for stairways shall not be less than 36 inches clear. ![]() Now let’s get into what those residential stair requirements are… MINIMUM STAIR WIDTH What is the Minimum Width of a Stair? In this post we will be looking at the code standards related to residential stairs in accordance with the International Residential Code (IRC).įun Tip: What’s the difference between the IBC and IRC? Be sure to check out this POST.įun Tip: Looking for Commercial Stair Requirements? Be sure to check out this POST. Note that when looking for commercial stair standards, one must look at the International Building Code (IBC). Several components are looked at such as stair width, headroom, riser and tread heights. When it comes to residential stair standards, the 2018 International Residential Code (IRC) establishes minimum requirements for stairs to insure a level of safety to the public.
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