Effort Required to Open a door

(1)  Except as required by Sentence, every exit door, except doors serving a house or an individual dwelling unit, shall be designed and installed so that when the latch is released the door will open in the direction of exit travel under a force of not more than 90 N applied to the door release hardware.

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