Warning This information has been archived because it is outdated and no longer relevant.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

3.2.1.1.(3)
ApplicationIntent
+
Application
Application 1: 
Mezzanines, with respect to calculating the building height, in buildings described in Sentence 1.3.3.2.(1) of Division A, where:
  • the aggregate area of mezzanines that are not superimposed does not exceed 40% of the open area of the room in which they are located, and
  • the space above the mezzanine is used as an open area without partitions or subdividing walls higher than 1 070 mm above the mezzanine floor.
Exceptions: 
except as exempted in:
  • Sentence 3.2.1.1.(4), which applies where:
    • the aggregate area of mezzanines that are not superimposed does not exceed 10% of the floor area in which they are located, and
    • the area of mezzanine in a suite does not exceed 10% of the area of that suite,
  • Sentence 3.2.1.1.(5), which applies where one or more levels of mezzanine is partially or wholly superimposed above another mezzanine in the storey,
  • Sentence 3.2.1.1.(6), which applies to platforms intended solely for periodic inspection and elevated maintenance catwalks that are not used for storage and are constructed with noncombustible materials, unless the building is permitted to be of combustible construction,
  • Sentence 3.2.1.1.(7), which applies to an enclosed space that is above a mezzanine and is not more than 10% of the open area of the room in which the mezzanine is located, provided the enclosed space does not obstruct visual communication between the open space above the mezzanine and the room in which it is located, and
  • Sentence 3.3.2.12.(3), which applies to spaces above or below mezzanines that are occupied by book shelves.
Top of Page
Intent
Intent 1: 
To exclude mezzanines from the calculation of building height if certain conditions are met that limit the size of the mezzanines and their degree of visual obstruction, on the basis that this configuration does not pose an undue fire safety risk to persons.
Top of Page