1280.19   GROUP DEVELOPMENT.
   The following regulations apply in Business and I-1 Light Industrial Districts and in any case where a group apartment development or more than one building or use is permitted on a lot:
   (a)   The proposed development shall be constructed in accordance with an overall plan and shall be designed as, or as part of, a single architectural and landscaping scheme. All buildings on a lot shall be arranged in a group, and the group of buildings as a unit shall comply with the area and yard regulations of the district in which the lot is located.
   (b)   The tract of land on which each permitted use is conducted shall be owned and operated as a single or common management and maintenance unit, with common open spaces and parking, utility and maintenance facilities.
   (c)   The distance at the closest point between any two buildings or groups of attached buildings shall be not less than thirty feet, except in OA Office-Apartment and I-1 Light Industrial Districts, where the distance shall be not less than sixty feet. In no case shall the minimum distance between buildings be less than the average height of adjoining buildings .
   (d)   All public utility lines and similar facilities servicing the proposed development and its area shall be installed underground, and electric transformers shall be installed underground or within the walls of a completely enclosed structure.
(Ord. 82-38. Passed 9-20-82.)