The Ontario Building Code | Ramp Width
184.108.40.206. Ramp Width
(2) A ramp serving a single dwelling unit shall have a width of not less than 860 mm.
Note: On July 1, 2017, Sentence 220.127.116.11.(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 18.104.22.168.