In addition to the requirements outlined by 12 CAR § 50-1510, single cells shall comply with the following standards:

1. (1) The minimum square foot area of single cells will be fifty square feet (50 ft²) per detainee;
2. (2) If cell confinement exceeds sixteen (16) hours per day, seventy square feet (70 ft²) per cell will be provided;
3. (3) Cell space is measured from interior wall to interior wall, less the space occupied by plumbing chases and columns; and

4. (4) Cell space includes the space occupied by:

   1. (A) Beds;
   2. (B) Plumbing fixtures;
   3. (C) Entrances; and
   4. (D) Exits.