The Ontario Building Code | Tactile Attention Indicators
3.8.3.18. Tactile Attention Indicators
(1) Where a tactile attention indicator is required, it shall conform to Sentence (2) and Clauses 4.1.1. and 4.1.2. of ISO 23599, "Assistive Products for Blind and Vision-Impaired Persons – Tactile Walking surface Indicators".
(2) The depth of the tactile attention indicator shall be not less than 300 mm and not more than 610 mm.
Section 3.9. Portable Classrooms
3.9.1. Scope
In Plain Language
A required tactile attention indicator must conform to a referenced international standard for tactile walking-surface indicators used by blind and vision-impaired people, ensuring a consistent, recognizable warning surface.
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.