The Ontario Building Code | Design Basis for Structural Steel
4.3.4.1. design Basis for Structural Steel
(1) buildings and their structural members made of structural steel shall conform to CSA S16, "design of Steel Structures".
In Plain Language
Buildings and structural members made of structural steel must conform to CSA S16, the national design standard for steel structures, the foundation for structural steel engineering throughout the Code.
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.