(A) (1) No person shall occupy or let to another for human occupancy any dwelling or dwelling unit for the purpose of living therein, which does not comply with the requirements of this section.
(2) Exception. The requirements of this section shall apply to new dwellings or modified dwellings only. All other dwellings shall meet the requirements of the code applicable at the time of its construction.
(B) Every dwelling unit shall contain at least 150 square feet of floor space for the first occupant thereof and at least 100 additional square feet of floor space for every additional occupant thereof, the floor space to be calculated on the basis of total habitable room area.
(C) In every dwelling unit of two or more rooms every room occupied for sleeping purposes by one occupant shall contain at least 70 square feet of floor space, and every room occupied for sleeping purposes by more than one occupant shall contain at least 50 square feet of floor space for each occupant thereof.
(D) No dwelling or dwelling unit containing two or more sleeping rooms shall have such room arrangements that access to a bathroom or water closet compartment intended for use by occupants of more than one sleeping room can be had only by going through another sleeping room; nor shall room arrangements be such that access to a sleeping room can be had only by going through another sleeping room or a bathroom or water closet compartment.
(E) No space below grade shall be used as a habitable room or dwelling unit unless:
(1) The floor and walls are impervious to leakage of underground and surface runoff water;
(2) The total of window area in each room is equal to at least the minimum window area sizes as required in § 150.166(C);
(3) The required minimum window area is located entirely above the grade of the ground adjoining the window area; or window wells are required where the bottom of the window is below ground level. The window well must not interfere with the window fully opening. The distance from the window to the back of the well must be at least 36 inches and the minimum area of the well must be nine square feet (width x projection).
(4) The total of openable window area in each room is equal to at least the minimum required under § 150.166(C), except where there is supplied some other device affording adequate ventilation.
(1990 Code, § 6-284) (Ord. 63-722, passed 7-29-1963; Ord. 63-741, passed 12-16-1963; Ord. 69-6, passed 1-20-1969; Ord. 18-3568, passed 6-18-2018) Penalty, see §
150.999