Div. B › Part 9 › 9.9 › 9.9.8 — Exits from Floor Areas

9.9.8.2 — Number of Required Exits

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(1) Except as provided in Sentences (2) and (3) and Subsection 9.9.9., at least two exits shall be provided from every floor area, spaced so that the travel distance to the nearest exit is not more than,

(a) 40 m in the case of business and personal services occupancies,

(b) 45 m for all occupancies where the floor area is sprinklered, and

(2) Except as provided in Subsection 9.9.9., a single exit is permitted from each storey in buildings of 1 and 2 storeys in building height provided the floor area and travel distance requirements conform to those required in Article 9.9.7.4. and the total occupant load served by an exit facility does not exceed 60 persons.

(3) In boarding, lodging or rooming houses,

(a) where sleeping accommodation is provided for not more than eight persons, a single exit is permitted from each floor area, or

(b) where sleeping accommodation is not provided in the basement, a single exit is permitted from the basement floor area.

OBC Definitions

Defined terms on this page

basement

means one or more storeys of a building located below the first storey.

boarding, lodging or rooming house

means a building, (a)that has a building height not exceeding three storeys and a building area not exceeding 600 m², (b)in which lodging is provided for more than four persons in return for remuneration or for the provision of services or for both, and (c)in which the lodging rooms do not have both bathrooms and kitchen facilities for the exclusive use of individual occupants.

building height

means the number of storeys contained between the roof and the floor of the first storey.

business and personal services occupancy

means the occupancy or use of a building or part of a building for the transaction of business or the provision of professional or personal services.

exit

means that part of a means of egress, including doorways, that leads from the floor area it serves to a separate building, an open public thoroughfare or an exterior open space protected from fire exposure from the building and having access to an open public thoroughfare.

floor area

means the space on any storey of a building between exterior walls and required firewalls, including the space occupied by interior walls and partitions, but not including exits, vertical service spaces and their enclosing assemblies.

house

means a detached house, semi-detached house or row house containing not more than two dwelling units.

occupancy

means the use or intended use of a building or part of a building for the shelter or support of persons, animals or property.

occupant load

means the number of persons for which a building or part of a building is designed.

sprinklered

means equipped with a system of automatic sprinklers.

storey

means , except for the purposes of Part 7 of Division B, the portion of a building, (a)that is situated between the top of any floor and the top of the floor next above it, or (b)that is situated between the top of the floor and the ceiling above the floor, if there is no floor above it.

building

(a) a structure occupying an area greater than ten square metres consisting of a wall, roof and floor or any of them or a structural system serving the function thereof including all plumbing, works, fixtures and service systems appurtenant thereto,
(b) a structure occupying an area of ten square metres or less that contains plumbing, including the plumbing appurtenant thereto,
(c) plumbing not located in a structure,
(c.1) a sewage system, or
(d) structures designated in the building code; Act

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