Egress controls will also include a rex that signals the access control system that there is a valid exit.
Access controlled egress doors.
It makes this decision independent of the access control system.
The code requirements for access controlled egress doors now called sensor release apply to locks that are unlocked by a sensor which detects an approaching occupant.
Access controlled egress door assemblies lsc 7 2 1 6 2 and ibc 1010 1 9 9 an access control locking arrangement requires the egress side of the door to be provided a sensor to unlock the door upon detection of an approaching occupant.
Loss of power to that part of the access control system which locks the doors shall automatically unlock the doors.
It is typically applied to doors with electromagnetic locks that are released by a motion sensor.
If there is a loss of power to the egress control it cuts power to the lock as well.
The doors shall be arranged to unlock from a manual unlocking device located 40 inches to 48 inches 1016 mm to 1219 mm vertically above the floor and within 5 feet 1524 mm of the secured doors.
There are many doors with access control readers that are not required to comply with this section because the hardware allows free egress without the use of a sensor.
Doors with access control must not obstruct egress routes or negatively impact fire barriers.
It is typically applied to doors with electromagnetic locks released by a motion sensor.
Electronically controlled egress nfpa 101 expects all electronically controlled access doors to be fail safe to assure egress.
An egress control directly releases the locking mechanism to allow free egress at the door.
Access controlled egress doors are a different type of special locking arrangement in which the primary means of releasing the lock is not manual but requires a sensor on the egress side that unlocks the door hardware.
Access controlled egress doors is found in both international building code ibc and national fire protection association nfpa 101 life safety code as section 1008 1 4 4 and 7 2 1 6 2 respectively.