Code Library › Volume 1 › Section 7.4 — Drainage Systems
PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code

7.4.3.2.Restricted Locations of Indirect Connections and Traps

(1) Indirect connections or any trap that may overflow shall not be located in a crawl space or any other unfrequented area.
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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.