The Ontario Building Code | Part 3 as an Alternative
9.10.8.11. Part 3 as an Alternative
(1) Thefire-resistance ratings of floors, roofs, loadbearing walls, columns and arches need not conform to this Subsection if such assemblies conform in all respects to the appropriate requirements in Section 3.2.
9.10.9. Fire Separations Between Rooms and Spaces Within buildings
In Plain Language
Compliance with Part 3's fire-resistance provisions may serve as an alternative to this Subsection's requirements, as set out in this article, giving designers flexibility to use the more detailed Part 3 rules where appropriate.
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.