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17-403.4 Single family occupancy: No dwelling unit shall be occupied by more than a single family and any salaried employees who regularly work on the premises in domestic service occupations as that term is defined in the Directory of Occupational Titles published by the U.S. Department of Labor. SECTION 17-404.0 SPACE REQUIREMENTS 17-404.1 Area for sleeping purposes: Every room occupied for sleeping pur- poses by one occupant shall contain at least 70 square feet (6.51m2) of floor area; every room occupied for sleeping purposesby two occupants shall contain at least 100 square feet (9.30 m2) of floor area; and every room occupied for sleeping purposes by three occupants shall contain at least 150 square feet 2 (13.95 m ) of floor area. 17-404.1.1 Water closet access: Every room occupied for sleeping purposes shall have access to at least one water closet and lavatory without passing through another room used as a bedroom. Every room occupied for sleeping purposes shall have access to at least one water closet located on the same floor as the bedroom, except that this requirement shall not apply to the only bedroom on a floor. 17-404.1.2 Closets: Every room occupied for sleeping purposes shall have access to a closet opening into the room, with a minimum floor area of six square feet (.56 m2). Closet areas shall not be counted as part of the floor areas of rooms. 17-404.2 Overcrowding: No dwelling unit shall be occupied by more occupants than permitted by the minimum occupancy area requirements of Table 17-404.2 and the sleeping space requirements of Section 17-404.1. 17-404.2.1 Combined Spaces: Combined living room/dining room spaces shall be construed to meet the requirements of this Table 17-404.2 if the total area is equal to that required for separate rooms and if the space is so located so that it may function as a combination living room/dining room. 17-404.2.2 Sleeping space: Any room used for sleeping purposes in a dwelling unit shall be classified as a bedroom and shall not be used to satisfy the living room or dining room requirement of Table 17-404.2. Table 17-404.2 MINIMUM OCCUPANCY AREA REQUIREMENTS Minimum area in square feet (square meters) Space Living room Dining room Kitchen Bedrooms 1-2 Occupants 3-5 Occupants 6 or more No requirements 120 (11.16) 150 (13.95) No requirements 80 (7.44) 100 (9.30) 50 (4.65) 50 (4.65) 60 (5.58) Must comRly,with Section 17-404.1 17-404.3 Prohibited use: Any kitchen, non-habitable space shall not be used for sleeping purposes. or public space 17-404.4 Minimum ceiling heights: Habitable rooms shall have a clear ceiling height over the minimum area required by this code of not less than 7 1/3 feet (2235 mm), except that in attics or top half-stories the ceiling height shall be not less than 7 feet (2134 mm) over not less than one-third of the minimum area required by this code when used for sleeping, study or similar activity. In calculating the floor area of such rooms, only those portions of the floor area of the room having a clear ceiling height of 5 feet (1524 mm) or more shall be included. Exception: Hallways, corridors, bathrooms, toilet rooms, kitchens and habitable basements used as recreation rooms shall have a ceiling height of not less that seven feet (2134 mm) to the lowest projection from the ceiling. 21