The Ontario Building Code | Site Stability
4.1.8.17. Site Stability
(1) The potential for slope instability and its consequences, such as slope displacement, shall be evaluated based on site-specific material properties and ground motion parameters referenced in Subsection 1.1.2. and shall be taken into account in the design of the structure and its foundations.
In Plain Language
The potential for earthquake-triggered slope instability, and its consequences like ground displacement, must be evaluated using site-specific material properties and the seismic ground motion parameters referenced elsewhere in this Subsection.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.