Sentence 3.4.4.4.(5)

Intent 1:

To limit the probability that fire will spread into an exit by means of a plenum, which could lead to damage to the building.

Intent 2:

To limit the probability that fire will spread into an exit by means of a plenum, which could lead to emergency responders being delayed in gaining access to floor areas, which could lead to delays or ineffectiveness in fire emergency response operations, which could lead to the further spread of fire, which could lead to damage to the building.

Intent 3:

To limit the probability that fire will spread into an exit by means of a plenum, which could lead to the spread of fire from one floor area to another floor area, which could lead to damage to the building.