(1)  Footing thickness shall be not less than the greater of,

    (a)   100 mm, or

=

    (b)   the width of the projection of the footing beyond the supported element.

Article 9.15.3.8 Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021