PART 4 — STRUCTURAL DESIGNUpdated for the 2024 Ontario Building Code
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4.2.6.2.Support of Shallow Foundations
(1) Where a shallow foundation is to be placed on soil or rock, the soil or rock shall be cleaned of loose and unsound
material and shall be adequate to support the design load taking into account temperature, precipitation, construction
activities and other factors that may lead to changes in the properties of soil or rock.
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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.