Every habitable room shall have at least 1 window or skylight facing directly to the outdoors.  The minimum total window area, measured between stops, for every habitable room shall be 10% of the floor area of the room.  Whenever walls or other portions of structures  face a window of any room and the light-obstruction  structures are located less than 3 feet from the window and extend to  a level  above that  of the ceiling  of the rooms, the window shall not be included as contributing to the required minimum total window area. Whenever the only window in a room is a skylight-type window in the top of the room, the total window area of the skylight shall equal at least 15% of the total floor area of the room.
(Prior Code, § 96.31)  (Ord. 3337, passed 8-7-1961) Penalty, see § 10.99