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9.8.8.5.(3)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Maximum and minimum sizes of openings in guards that are not required guards [see Sentence 9.8.8.1.(1) for locations of required guards ], in buildings of other than industrial occupancy to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions: 
except:
  • where it can be shown that the location and size of openings that exceed these limits do not represent a hazard, and
  • as stated in 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 guards 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 that openings measuring between 100 and 200 mm in non-required guards will allow the body of a small child to pass through but the child's head will likely become trapped, which could lead to harm to the child.
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