PART 2 — RESERVEDUpdated for the 2024 Ontario Building Code
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2.2.6.9.Floor Openings
(1) Except as provided in Article 2.2.6.10., floor openings shall be provided with a cover at floor level that is capable of
resisting the loads specified in Section 2.3. for the adjacent area of floor.
(2) Openings through the cover required by Sentence (1) shall be of a size that prevents the passage of a spherical object
whose diameter is more than 100 mm.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.