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9.8.6.3.(1)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Width and length of interior and exterior landings for stairs or ramps, 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 9.8.6.1.(2), which applies to landings in pedestrian ramps in barrier-free paths of travel,
  • Sentence 9.8.6.3.(2), which applies where stair flights or ramps of different widths adjoin a single landing,
  • Sentence 9.8.6.3.(3), which applies where doors swing toward a stair,
  • Sentence 9.8.6.3.(4), which applies where doorways or stairways open onto the side of a ramp.
Application 2: 
This also applies to stairs or ramps within dwelling units in buildings to which Part 3 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 3], as stated in Sentence 3.3.4.7.(1).
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Intent
Intent 1: 
To limit the probability of landings of insufficient dimensions to allow users to access the landing, pause, pass other users, or turn without an awkward change in gait, which could lead to:
  • persons falling, or
  • persons falling in an emergency, which could lead to delays in the evacuation or movement of persons to a safe place.
This is to limit the probability of harm to persons.
Intent 2: 
To limit the required length of landings, where longer landings would not significantly reduce the risk of injury, and where:
  • users are likely to be familiar with the stair or ramp, or
  • the risk of being knocked over by other users is unlikely.
This is to limit the probability of landings of insufficient dimensions to allow access, pausing, passing other users, or turning without an awkward change in gait, which could lead to:
  • persons falling, or
  • persons falling in an emergency, which could lead to delays in the evacuation or movement of persons to a safe place.
This is to limit the probability of harm to persons.
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