Sentence 9.12.3.1.(1)

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

Objective

OS3 Safety in Use

Attribution

[F22-OS3.1]Applies to floors and elements that support floors.
[F22-OS3.7]Applies to walls, and elements that support walls, that contain doors or windows required for emergency egress.

Intent

Intent 1:

To limit the probability that improperly placed backfill will lead to damage or displacement of foundation elements.

This is to limit the probability of compromised structural integrity, which could lead to:

  • structural failure,
  • for environmental separators or elements supporting an environmental separator, the displacement or failure of required environmental separation elements, which could lead to the deterioration of building elements, or
  • an inability to resist expected loads, which could lead to
    • the excessive deformation or deflection of walls, or
    • the excessive deflection or vibration of floors.

This is to limit the probability of:

  • persons losing their balance, tripping or falling, or
  • compromised operation of doors or windows required for egress in an emergency.

This is to limit the probability of harm to persons.

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