To limit the probability of an insufficient corridor width to permit efficient egress in an emergency situation, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
To limit the probability of an insufficient corridor width during an emergency situation, which could lead to delays or inefficiencies in emergency response operations, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.