No basement space shall be used as a habitable room or dwelling unit unless:
(A) The floor and walls are impervious to leakage of underground and surface runoff water and are insulated against dampness;
(B) The total of window area in each room is equal to at least the minimum window area sizes as required in § 152.45;
(C) The required minimum window area is located entirely above the grade of the ground adjoining the window area; and
(D) The total of openable window area in each room is equal to at least the minimum as required under § 152.47, except where there is supplied some other device affording adequate ventilation and approved by the director of health.
(Adopted 9-5-67) Penalty, see § 152.199