All habitable rooms shall be provided with natural light by means of one or more windows, glazed doors or skylights or their equivalent located in outside walls or roofs. The required glass area in a habitable room shall be not less than ten square feet or ten percent of the floor area of the room, whichever is greater. Not less than forty percent of such required glass area shall open for ventilation, unless mechanical ventilation is installed in accordance with Chapter 1389.
(Ord. 1992-101. Passed 1-14-92.)