Code Library › Volume 1 › Section 3.3 — Safety Within Floor Areas (See Note A-3.3.)
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.3.4.7.Stairs, Ramps, Landings, Handrails and Guards for Dwelling Units

(1) Except as required in Article 3.3.4.8., stairs, ramps, landings, handrails and interior guards within a dwelling unit shall conform to the applicable requirements in Section 9.8. (2) Except as provided in Sentence (3), exterior stairs, ramps, landings, handrails and guards serving a single dwelling unit shall conform to the applicable requirements in Sentence 3.1.21.1.(1) and Section 9.8. (3) Loads on exterior guards serving a single dwelling unit shall comply with Part 4.
← Previous3.3.4.6. Sound TransmissionNext →3.3.4.8. Protection of Openable Windows

Common questions about this part of the code

What fire separation is required between suites in Ontario?What is the minimum corridor width under the Ontario Building Code?How long can a dead-end corridor be under the Ontario Building Code?How do you calculate occupant load under the Ontario Building Code?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

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.