The Ontario Building Code | Fixed Access Ladders
3.6.1.5. Fixed Access Ladders
(1) If a fixed ladder is installed to provide access to a roof of a building, the design and installation of the attachment and anchorage system for the ladder shall be as described in MMAH Supplementary Standard SB-8, "design, Construction and installation of Anchorage System for Fixed Access Ladders".
3.6.2. service Rooms
In Plain Language
A fixed ladder providing roof access must have its attachment and anchorage system designed and installed according to the referenced provincial supplementary standard for fixed access ladder anchorage.
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.