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9.8.7.4.(2)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Minimum and maximum height of handrails serving stairs and 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 9.8.7.4.(3), which applies to the height of handrails at landings where guards are required, and
  • Clause 3.8.3.4.(1)(e), which applies to barrier-free design in buildings described in Sentence 3.8.1.1.(1) [see Sentence 9.5.2.1.(1)].
Application 2: 
This also applies to handrails for stairs and ramps serving 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 that handrails will be too high or too low to be used by the majority of stair and ramp users, 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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