PART 11 — RENOVATIONUpdated for the 2024 Ontario Building Code

11.4.2.4.Plumbing

(1) The performance level of an existing building is reduced where the existing building is extended or subject to material alteration or repair, and plumbing in the existing building is adversely affected by the extension, alteration or repair.

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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.