DIVISION C · PART 1 — GENERALUpdated for the 2024 Ontario Building Code

1.2.2.3.Demolition of a Building

(1) The applicant for a permit respecting the demolition of a building shall retain a professional engineer to undertake the general review of the project during demolition, where, (a) the building exceeds 3 storeys in building height or 600 m² in building area, (b) the building structure includes pre-tensioned or post-tensioned members, (c) it is proposed that the demolition will extend below the level of the footings of any adjacent building and occur within the angle of repose of the soil, as drawn from the bottom of such footings, or (d) explosives or a laser are to be used during the course of demolition.

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.