To limit the probability that an element of a means of egress from a building will have an inadequate capacity or a lower degree of safety than that required for the other elements, which could lead to delays in the evacuation or movement of persons to a safe place in an emergency situation, which could lead to harm to persons.
To limit the probability that a person's unwillingness to use, or lack of familiarity with, an exit facility in an emergency situation will lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.