This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice
Builder Tip No. 63 from the City of Markham Building Standards Department, dated January 1, 2025, on guards at interior stairs, listed with the City's housing tips under the 2024 Ontario Building Code. It quotes Article 9.8.8.1., Required Guards, with its 600 mm drop within 1.2 m and its exceptions for loading docks, repair-garage pits and maintenance access. The objective covers guards on both sides of stairs to unfinished basements, a wall on one side built as a guard, and illustrations of where interior stair guards go.
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