The Ontario Building Code | Ramps and Stairways

3.3.1.13. Ramps and Stairways

(1) Except as permitted by Sentence (2), Article 3.3.4.7. and Subsection 3.3.2., ramps and stairways that do not serve as exits shall conform to the dimensional, guard, handrail and slip-resistance requirements for exit ramps and stairways of Sentence 3.4.3.2.(7) and Articles 3.4.3.5. and 3.4.6.1. to 3.4.6.9.

(2) Ramps and stairways that do not conform to the requirements of Sentence (1) and are intended only for occasional use for servicing equipment and machinery are permitted,

(a) to serve service rooms and service spaces, and

(b) in industrial occupancies.