Section 260.136 - Safety Vestibules(a) Safety vestibules, where provided, shall: (1) have one or more interior doors and a main entrance door;(2) be arranged to be locked and unlocked by control means located outside of the offender living area and safety vestibule.(b) Effective September 1, 1983, where doors have an interlocking security feature, provisions shall be made for an override capability in the event an emergency requires both doors to be opened simultaneously.37 Tex. Admin. Code § 260.136
The provisions of this §260.136 adopted to be effective December 19, 1994, 19 TexReg 9526.