Sentence 9.5.5.1.(1)

  1. OS3

Objective

OS3 Safety in Use

Attribution

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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