(a) "Area of buildings" means the area at the ground level of the main building and all accessory buildings, excluding unenclosed porches, terraces and steps, measured from the outside surface of exterior walls.
(b) "Area of dwelling unit" means the sum of the gross floor areas above the cellar level, including those rooms and closets having a minimum ceiling height of seven feet six inches and having the natural light and ventilation as required by the Building Code; rooms above the first floor may be included which are directly connected by a permanent stairs and hall, and spaces under pitched roofs having a minimum knee wall height of four feet if two-thirds of the room area has a minimum ceiling height of seven feet.
(See also Section 1211.25).
(c) "Area of lot" means the total horizontal area within the lot boundary lines of a zoning lot.
(d) "Floor area" means floor space enclosed by exterior walls or fire walls or by a combination of the two.
(e) "Gross floor area" means the sum of the horizontal areas of the several floors of a structure at or above ground level, excluding areas used for accessory garage purposes and such areas as are devoted exclusively to uses accessory to the operation of the main structure. All horizontal dimensions shall be taken from the exterior faces of walls, including walls or other enclosures of enclosed porches.
(f) "Service floor area" means the full floor area used or intended to be used in merchandising, service, amusement, assembly places or similar types of use, for service to the public as customers, patrons, clients, patients or tenants, and includes areas occupied by fixtures and equipment used for service, display or sale of merchandise. It does not include floor areas used principally for nonpublic purposes, such as the storage or packaging of merchandise or laboratory work. The service floor area for business and professional offices, clinics and manufacturing establishments shall be the gross floor area of the structure occupied.
(Ord. 1969-169. Passed 7-16-70.)