To limit the probability that the loss of normal power or the failure of the electrically operated locking devices will not allow security personnel to operate the door release hardware in an emergency situation, which could lead to persons being trapped in a contained use area or an impeded egress zone, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
To state the application of Sentence 3.4.6.16.(5) for doors in access to exit.