(1) The nursing home must ensure that each resident bedroom:

(a) Has direct access to a hall or corridor;

(b) Is located on an exterior wall with a transparent glass window; and

(c) Is located to prevent through traffic.

(2) In a new building or addition, each resident bedroom must:

(a) Have an exterior transparent glass window:

(i) With an area equal to at least one-tenth of the bedroom usable floor area;

(ii) Located twenty-four feet or more from another building or the opposite wall of a court, or ten feet or more away from a property line, except on street sides;

(iii) Located eight feet or more from any exterior walkway, paved surface, or driveway; and

(iv) With a sill three feet or less above the floor.

(b) Be located on a floor level at or above grade level except for earth berms. "Grade" means the level of ground adjacent to the building floor level measured at the required exterior window. The ground must be level or slope downward for a distance of at least ten feet from the wall of the building. From there the ground may slope upward to the maximum sill height of the required window at a rate of one foot vertical for two feet horizontal.