Warning This information has been archived because it is outdated and no longer relevant.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

3.3.1.7.(4)
ApplicationIntent
OS1
ObjectiveOS1 Fire Safety
Attribution
[F03-OS1.2] [F06-OS1.5]
Application
Application 1: 
Weatherstripping of, or other smoke control measures for, doors acting as closures in the fire separations referred to in Clause 3.3.1.7.(1)(b) [fire separations used to divide a floor area into zones].
This applies to floor areas that:
  • are above or below the first storey,
  • are not sprinklered throughout,
  • have a barrier-free path of travel, as stated in Sentences 3.8.1.2.(1) and (2), 3.8.1.4.(1), 3.8.2.1.(1) and (2), and 3.8.2.2.(1), and Article 3.8.2.3., and
  • are divided into zones, as described in Clause 3.3.1.7.(1)(b).
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
Exceptions: 
except as stated in Sentence 3.8.1.1.(1), which applies to:
  • houses, including semi-detached houses, duplexes, triplexes, town houses, row houses and boarding houses,
  • buildings of Group F, Division 1 major occupancy, and
  • buildings that are not intended to be occupied on a daily or full-time basis, including automatic telephone exchanges, pumphouses and substations.
Application 2: 
This also applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], as stated in Sentence 9.5.2.2.(1).
Exceptions: 
except as stated in Article 9.5.2.3., which applies to apartment buildings.
Application 3: 
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 that smoke will spread through door openings from one zone to another zone of the floor area, which could lead to harm to persons in the other zone.
Intent 2: 
To limit the probability that smoke will spread through door openings from one zone to another zone of the floor area, which could lead to fire emergency response operations involving the other zone being delayed or ineffective, 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