Power operated locks shall be motor, solenoid, or pneumatic type and provide electrical control unlocking, key unlocking by manual operation, and automatic mechanical deadlocking of doors upon closing. A door position switch and door position indicator shall be provided for all doors equipped with power operated locks. Heavy-duty, detention type door closers should be provided on all swinging doors equipped with power operated locks.

Source Note: The provisions of this §259.156 adopted to be effective December 12, 1994, 19 TexReg 9376.