3.2.7.7.(1)

Intent 1:

To limit the probability of delays in shutting off the fuel supply to emergency power systems in the event of its unwanted release, which could lead to the spread of fuel, which could lead to the accumulation and subsequent ignition of vapour from a nearby ignition source, which could lead to a fire or explosion, which could lead to harm to persons.

Intent 2:

To limit the probability of delays in shutting off the fuel supply to emergency power systems in the event of its unwanted release in a fire situation, which could lead to the spread of fire, which could lead to harm to persons.