37 Tex. Admin. Code § 259.141
All cells and day rooms shall be not less than eight feet from finished floor to ceiling and seven feet from wall to wall, in accordance with International Building Code. Cells containing over/under bunk units shall be measured from center line of units to wall. Corridors shall be not less than four feet wide.
Source Note:The provisions of this §259.141 adopted to be effective December 12, 1994, 19 TexReg 9376; amended to be effective June 15, 2026, 51 TexReg 3906.