Sentence 4.5.7.2.(3)

  1. OS1
  2. OP1
  3. OH5
  4. OP1
  5. OS1
  6. OH5

Objective

OS1 Fire Safety

Attribution

(a),(b),(c),(d),(e)[F12,F44-OS1.1]Applies to the requirement for shut-off valves.

Intent

Intent 1:

To limit the probability that the flow of liquid cannot be stopped in a timely manner during an emergency, which could lead to the escape of liquid not being minimized, which could lead to the spread of liquid, which could lead to the accumulation and subsequent ignition of vapour from a nearby ignition source, which could lead to harm to persons, including emergency responders.

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