PART 4 — STRUCTURAL DESIGNUpdated for the 2024 Ontario Building Code
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4.2.5.7.Protection and Maintenance at Excavations
(1) All sides of an excavation, supported and unsupported, shall be continuously maintained and protected from possible
deterioration by construction activity or by the action of frost, rain and wind.
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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.