To limit the probability that a fire involving the cargo pump will spread to adjacent buildings or structures, which could lead to damage to adjacent buildings or facilities.
To limit the probability that leakage from the pump operations will spread liquid to adjacent buildings or facilities, which could lead to the ignition of vapour from a nearby ignition source, which could lead to damage to adjacent buildings or facilities.
To limit the probability that an ignition source from adjacent buildings or facilities will ignite vapour from the pump, which could lead to a fire or explosion, which could lead to damage to adjacent buildings or facilities.