Section R304, MINIMUM ROOM AREAS, is hereby deleted in its entirety and the following provisions shall be substituted therefor:

MINIMUM ROOM AREAS

R304.1 Minimum area. Every dwelling unit shall have at least one habitable room that shall have not less than 150 square feet of floor area, excluding a bedroom.

R304.2 Other rooms. Other habitable rooms shall have a floor area of not less than 70 square feet, except bedrooms must have a minimum area of 90 square feet. Multi-bedroom dwelling units shall contain at least one (1) bedroom with 120 square feet of floor area. Every kitchen shall have not less than 50 square feet of floor area. Measurement shall be made from inside wall to inside wall.

R304.3 Minimum dimensions. Habitable rooms shall not be less than 7 feet (2134 mm) in any horizontal dimension.

Exceptions: Kitchens.

R304.4 Height effect on room area. Portions of a room with a sloping ceiling measuring less than 5 feet (1524 mm) or a furred ceiling measuring less than 7 feet (2135 mm) from the finished floor to the finished ceiling shall not be considered as contributing to the minimum required habitable area for that room.