Sentence 9.23.17.2.(1)

  1. OS2
  2. OP2
  3. OH1
  4. OS1
  5. OH4
  6. OS3

Objective

OS3 Safety in Use

Attribution

[F20,F22-OS3.1]Applies to floors and elements that support floors.

Intent

Intent 1:

To limit the probability of an inadequate thickness or inappropriate specifications or rating of wall sheathing, which could lead to:

  • an inadequate fastening base for cladding,
  • inadequate support for required cladding and elements of an environmental separator, or
  • an inability to resist expected lateral or gravity loads, where sheathing provides the required resistance to racking and buckling.

This is to limit the probability of:

  • falling cladding,
  • the deformation or displacement of cladding, or
  • the excessive deflection of the wall.

For floors and elements supporting floors, this is to limit the probability of:

  • compromised structural integrity, or
  • the displacement or failure of required environmental separation elements, which could lead to deterioration.

This is to limit the probability of excessive deflection or vibration, which could lead to persons losing their balance, tripping or falling, which could lead to harm to persons.

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