Loads on Stairs and Ramps

(1)  Except as required in Articles 9.8.9.4. and 9.8.9.5., stairs and ramps shall be designed for strength and rigidity under uniform loading criteria to support specified loads of,

    (a)   1.9 kPa for stairs and ramps serving a house or an individual dwelling unit, and

    (b)   4.8 kPa for other stairs and ramps.

Article 9.8.9.1 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.