1010.1.9.9 Electromagnetically locked egress doors.
BC § 1010.1.9.9
Doors in the means of egress in buildings with an occupancy in Group A, B, E, M, R-1 or R-2 and doors to tenant spaces in Group A, B, E, M, R-1 or R-2 shall be permitted to be locked with an electromagnetic locking system where equipped with hardware that incorporates a built-in switch and where installed and operated in accordance with all of the following: 1. The hardware that is affixed to the door leaf has an obvious method of operation that is readily operated under all lighting conditions.
2.The hardware is capable of being operated with one hand.
3.Operation of the hardware directly interrupts the power to the electromagnetic lock and unlocks the door immediately.
4.Loss of power to the electromagnetic locking system automatically unlocks the door to permit egress.
5.Where panic or fire exit hardware is required by Section 1010.1.10, operation of the panic or fire exit hardware also releases the electromagnetic lock.
6.The locking system units shall be listed in accordance with UL 294.
