Warning This information has been archived because it is outdated and no longer relevant.

Archived Content

Information identified as archived on the Web is for reference, research or recordkeeping purposes. It has not been altered or updated after the date of archiving. Web pages that are archived on the Web are not subject to the Government of Canada Web Standards. As per the Communications Policy of the Government of Canada, you can request alternate formats on the "Contact Us" page.

3.3.1.3.(7)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
[Minimum number of separate] means of egress for a service space referred to in Sentence 3.2.1.1.(8) [a service space in which facilities are included to permit a person to enter and to undertake maintenance and other operations pertaining to building services], where:
  • the [floor] area is more than 200 m2, or
  • the travel distance measured from any point in the service space to a point of egress is more than 25 m.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: 
This also applies to tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1).
Exceptions: 
except as stated in:
Top of Page
Intent
Intent 1: 
To limit the probability of delays in the evacuation or movement of persons to a safe place in the event that one egress route becomes obstructed or inaccessible in an emergency, which could lead to harm to persons.
Intent 2: 
To limit the probability that emergency responders will be delayed or ineffective in carrying out their emergency response operations in the event that one egress route becomes obstructed or inaccessible, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
Top of Page