PART 11 — RENOVATIONUpdated for the 2024 Ontario Building Code
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11.4.3.5.Plumbing
(1) Where the performance level of an existing building is reduced under Sentence 11.4.2.4.(1), upgrading of plumbing
in the existing building which is adversely affected by the extension, alteration or repair shall be required in conformance
with Part 7.
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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.