Each cell in a new facility or a part of a facility constructed after the effective date of 105 CMR 451.000 should contain:

1. (A) For segregation and special management areas where inmates are usually locked in for greater than ten hours per day, at least 80 square feet of floor space for a single inmate.
2. (B) For inmates usually locked in for less than ten hours per day, contain at least 70 square feet of floor space for a single inmate. Provided, however, two inmates may occupy a room or cell designed for double occupancy which has a floor space of 120 square feet. Floor space shall be calculated on the basis of total habitable room area which does not include areas where floor-to-ceiling height is less than eight feet.