Sentence 9.13.3.1.(2)

  1. OH1
  2. OS2

Objective

OS2 Structural Safety

Attribution

Intent

Intent 1:

To limit the probability of an inadequate resistance of underground roofs to water, which could lead to water ingress, which could lead to deterioration, which could lead to compromised structural integrity of roofs or of elements protected by roofs, which could lead to harm to persons.

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