Code Library › Volume 1 › Section 3.4 — Exits
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.4.6.7.Ramp Slope (See also Article 3.8.3.5.)

(1) Except as provided in Sentence (2) and as provided for aisles in Article 3.3.2.5., ramps shall have a uniform slope along their length and a maximum slope of 1 in 12. (2) Except as provided in Section 3.8., ramps in industrial occupancies shall have a uniform slope along their length and a maximum slope of (a) 1 in 6 for interior ramps, and (b) 1 in 10 for exterior ramps.
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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.