PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code
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9.9.7.3.Dead-End Corridors
(1) A dead-end public corridor is permitted in an occupancy shown in Table 9.9.7.3., where
(a) the dead-end corridor
(i) does not exceed the distance of travel measured from the most remote point of the dead-end to a point where
it is possible to go in opposite directions to each of two separate exits, and
(ii) is provided with doors equipped with self-closing devices, or
(b) there is a second and separate egress doorway from each room or suite not leading into the dead-end corridor.
(2) Dead-end public corridors in residential occupancies and business and personal services occupancies shall contain
only suite door openings arranged so that not more than two such doors have to be passed to reach the nearest exit.
(3) The area of wired glass in doors required by Sentence (2) shall not exceed 645 cm².
Table 9.9.7.3.
Dead-End Public Corridors
Forming Part of Sentence 9.9.7.3.(1)
Maximum Occupant Load or Suites Served by
Occupancy Maximum Length of Dead-End Public Corridor, m
Dead-End Public Corridor
Group C 6 4 suites
Group D 6 30
Group E 9 30
Group F 9 30
This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.