The Ontario Building Code | Fixed Bench-Type Seats without Arms
3.3.2.7. Fixed Bench-Type Seats without Arms
(1) If fixed bench-type seats without arms are provided, the seat width per person shall be assumed to be 450 mm.
(2) The centre-to-centre spacing between rows of bench-type seats shall be not less than 760 mm if back rests are provided, and not less than 550 mm if back rests are not provided.
(3) A clear space of not less than 300 mm shall be provided between the back of each seat and the front of the seat immediately behind it.
In Plain Language
This clause introduces the additional egress requirements of Subsection 3.3.3 for Group B care, treatment, and detention occupancies, recognizing that some occupants in these facilities may be unable to evacuate unassisted.
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.