The Ontario Building Code | Column Piers
9.35.3.4. Column Piers
(1) Piers for the support of carport columns shall extend not less than 150 mm above ground level.
(2) Piers referred to in Sentence (1) shall project not less than 25 mm beyond the base of the column but in no case be less than 190 mm by 190 mm in size.
In Plain Language
Column piers supporting a garage must meet the requirements set out in this article.
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.