§ 150.016  MINIMUM REQUIREMENTS FOR LIGHT AND VENTILATION.
   No person shall occupy as owner-occupant or let or sublet to another for occupancy any dwelling unit designed or intended to be used for the purpose of living, sleeping, cooking and eating therein, nor shall any vacant dwelling be permitted to exist which does not comply with the following requirements.
   (A)   Windows and skylights. Every habitable room shall have at least one window or skylight facing directly to the outdoors. The minimum total window area, measured between stops, for every habitable room shall be 8% of the floor area of such room. Whenever the only window area of such is a skylight type window in the top of such room, the total window area of such skylight shall equal at least 15% of the total area of such room.
   (B)   Habitable rooms. Every habitable room shall have at least one window or skylight which can safely be opened, or such other device as will adequately ventilate the room. The total of openable window area in every habitable room shall be equal to at least 45% of the minimum window area size or minimum skylight type size as required, or the room shall have other approved equivalent ventilation.
   (C)   Bathroom. Every bathroom shall comply with the light and ventilation requirements for habitable rooms, except that no window or skylight shall be required in adequately ventilated bathrooms equipped with an approved ventilation system.
   (D)   Electric lights and outlets required. Every dwelling shall be adequately and safely wired for electric lights and convenience receptacles. Every habitable room and hallway shall have provision for adequate lighting and other necessary electrical service.
   (E)   Light in public halls and stairways. Every public hall and stairway in every multiple dwelling containing five or more dwelling units shall be adequately lighted at all times. Every public hall and stairway in structures devoted solely to dwelling occupancy and containing not more than four dwelling units may be supplied with conveniently located light switches, controlling an adequate lighting system which may be turned on when needed, instead of full-time lighting.
(Ord. passed 11-1-1988)  Penalty, see § 150.999