Div. B › Part 3 › 3.3 › 3.3.1 — All Floor Areas

3.3.1.22 — Obstructions

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(1) No obstruction shall be permitted in any occupancy that would restrict the width of a normal means of egress from any part of a floor area to less than 750 mm unless an unobstructed alternative means of egress is provided adjacent to, accessible from, and plainly visible from the obstructed means of egress.

OBC Definitions

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accessible

means , when applied to a fixture, connection, plumbing appliance, valve, cleanout or equipment, to be accessible with or without having to first remove an access panel, door or similar obstruction, but a fixture, connection, plumbing appliance, valve, cleanout or equipment is not accessible if access can be gained only by cutting or breaking materials.

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.

means of egress

means of egress includes exits and access to exits and means a continuous path of travel provided for the escape of persons from any point in a building or in a contained open space to, (a)a separate building, (b)an open public thoroughfare, or (c)an exterior open space that is protected from fire exposure from the building and that has access to an open public thoroughfare.

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.

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