Sentence 4.3.11.3.(2)

  1. OS1
  2. OS1
  3. OS1
  4. OH5

Objective

OS1 Fire Safety

Attribution

[F43-OS1.1]Applies to the requirement for vent pipe outlets to be located outside buildings at a height that is above the fill pipe opening.

Intent

Intent 1:

To limit the probability that Class II or IIIA liquids will escape through the vent opening during filling operations if the tank is overfilled, which could lead to the accumulation of vapour and their subsequent ignition by a nearby ignition source, which could lead to harm to persons.

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