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9.6.3.1.(1)
ApplicationIntent
OS3
ObjectiveOS3 Safety in Use
Attribution
[F30-OS3.1] [F10-OS3.7]
Application
Application 1: 
Minimum height and width of doorway openings for swing-type and folding doors for doorways within dwelling units and doors that serve exterior balconies, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions: 
except as stated in:
  • Sentence 9.6.3.3.(1), which applies to doors to bathrooms served by a hallway that is not less than 860 mm wide,
  • Sentences 3.8.3.3.(1), (2) and (11), which apply to barrier-free design in buildings described in Sentence 3.8.1.1.(1) [see Sentence 9.5.2.1.(1)], and
  • Sentence 9.9.6.2.(1), which applies to doors that open into a public corridor from a suite.
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Intent
Intent 1: 
To limit the probability of:
  • insufficiently wide doorway openings, which could lead to difficulty in negotiating doorways, and
  • insufficiently high doorway openings, which could lead to accidental collision with door heads.
This is to limit the probability of harm to persons.
Intent 2: 
To limit the probability of:
  • insufficiently wide doorway openings, which could lead to difficulty in negotiating doorways in an emergency, and
  • insufficiently high doorway openings, which could lead to accidental collision with door heads in an emergency.
This is to limit the probability of delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
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