In Plain Language

This clause sets the scope of Section 4.2: it applies to the design of excavations and foundation systems for buildings, the ground-related engineering work that everything else in the structure ultimately rests on.

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.