The Ontario Building Code | Ramp Width

9.8.5.2. Ramp Width

(1) Except as provided in Sentence (2), exit ramps and public ramps serving buildings of residential occupancy shall have a clear width of not less than 900 mm.

(2) A ramp serving a single dwelling unit shall have a width of not less than 860 mm.

Note: On July 1, 2017, Sentence 9.8.5.2.(2) of Division B of the Regulation is amended by striking out "single dwelling unit" and substituting "houseor an individual dwelling unit". (See: O. Reg. 139/17, s. 78)

(3) Exit ramps and public ramps serving buildings of other than residential occupancy shall have a clear width of not less than the greater of,

(a) 900 mm, or

(b) 8 mm per person based on the occupant load limits specified in Table 3.1.17.1.