37 Tex. Admin. Code § 259.736
One or more secure exercise areas shall be provided. Where outdoor exercise areas are provided, alternate areas shall be provided for exercise during inclement weather. Outdoor exercise areas should be covered with a security enclosure. Where outdoor exercise areas are not provided, facility design shall provide for access to sunlight. A toilet and drinking fountain shall be readily available. Exercise areas shall provide 15 square feet per inmate for the maximum number of inmates expected to use the space at one time, but not less than 1,000 square feet for each exercise area. Each direct supervision housing area shall have an exercise area within close proximity which should be adjacent to the housing area.
Source Note:The provisions of this §259.736 adopted to be effective September 2, 1997, 22 TexReg 8405.