Sentence 4.3.8.3.(3)

  1. OS1
  2. OH5

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To limit the probability that excessive external loading will lead to tank stress, which could lead to tank damage and failure, which could lead to the escape and spread of liquid, which could lead to the ignition of vapour from a nearby ignition source, which could lead to harm to persons.

Intent 2:

To override the requirements of Sentences 4.3.8.3.(1) and (2) and permit reduced depth of coverage if adequate alternative protection [concrete slab] is provided.

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