(a) Except where prohibited in General Industry and Semi-Industry Districts, a residence building or building of Institutional H Occupancy Classification may be erected in the rear of a main building in any use district if required front, rear and side yards are provided and the distance between such buildings is not less than forty (40) feet, and if free and unobstructed entranceway is provided for access from the street to the rear building. If only one (1) or two (2) families are to be accommodated in such rear residence building the entranceway shall be not less than eight (8) feet wide, and for each additional family, two (2) feet shall be added to the required eight (8) feet. Entranceways of corresponding widths shall be provided for buildings of Institutional H Occupancy Classification of corresponding number of occupants, but such entranceways shall not be required to be more than twenty (20) feet in width. A front yard not less than twenty (20) feet in depth across the full width of the lot shall be provided for the rear residence building or rear building of Institutional H Occupancy Classification, which yard shall be independent of the rear yard, if any, required for the front building.
(b) A building not of Residential Occupancy or Institutional H Occupancy Classification may be erected in the rear of a main building of Residential Occupancy or Institutional H Occupancy Classification if the latter building is provided with all required yard spaces, and provided that, where necessary to serve windows intended to provide required natural light or required natural ventilation for such rear building, the rear building is provided with independent yards or courts conforming to the applicable provisions of this Zoning Code.
(c) When a building is placed on the same lot or plot with another building so that any window of either receives required natural light or required natural ventilation from the space between, and neither building is a residence building or building of Institutional H Occupancy Classification, the width of such space shall be not less than the sum of the widths of the two (2) interior side yards that would be required by this Zoning Code, if each such building were on a separate lot and adjacent to a lot line, but in no case less than ten (10) feet.
(d) The provisions of this section shall not be interpreted to authorize any construction in violation of any provision of Chapter 355.
(e) The provisions of this section shall not be interpreted to prohibit permitted accessory buildings in rear yards.
(Ord. No. 2204-A-48. Passed 12-19-49, eff. 1-29-50)