(A) Habitable space shall be provided with natural light through one or more windows, skylights, transparent or translucent panels, or any combinations thereof, that face directly on legal open spaces at least six inches above the adjoining finished grade, or are above a roof. The amount of light shall be equivalent to that transmitted through clear glass equal in area to 10% of the floor area of the habitable space.
(B) Habitable space shall be provided with artificial light.
(C) Habitable space shall be provided with natural ventilation through openable parts of windows or other openings in exterior walls that face legal open spaces above the adjoining finished grade or above a roof, or through openable parts of skylights, providing total clear ventilation area equal to not less than 5% of the total floor area of each habitable space.
(D) Habitable space may also be provided with mechanical ventilation, in addition to natural ventilation.
(Prior Code, § 19-64) (Ord. 312, passed 3-25-1963) Penalty, see § 171.999