1130.09 DESIGN REGULATIONS AND STANDARDS.
   In an RMU District, attached single family (ASF) dwellings shall be developed and maintained in accordance with the following design regulations and standards.
   (a)   Building Design.
      (1)   Attractive variations in facade, width, color, exterior materials and roof lines shall be deemed desirable; furthermore, parallel arrangements of buildings should be avoided.
      (2)   In order to enhance privacy and encourage attractive building arrangements for ASF dwellings, the alignment of buildings should be varied and the facades of not more than every two dwelling units shall be offset by at least sixteen inches. No more than eight units shall be located in one building.
      (3)    Buildings may be attached if it is determined by the Planning and Zoning Commission that site design will be improved as a result. However, attached buildings shall be designed with visible offsets or setbacks not less than six feet in depth or with substantial variations in alignment.
   (b)   Site Design. Developments shall be designed to complement the topography of the land in order to utilize natural contours, economize in the construction of utilities, reduce required grading and maximize the conservation of trees, watercourses and other natural features. Natural features and other distinctive characteristics of the site shall be integrated into the plan to create functional variations in the arrangements of dwellings, open spaces and accessory uses.
   (c)   Modifications to Area, Yard and Buffer Requirements. With respect to properties of irregular shape, or unusual topography relative to other lots in the same zoning district, the Planning and Zoning Commission may modify requirements regarding areas, yards, setbacks and distances between uses if compliance with these requirements is either clearly infeasible or contrary to compliance with the design regulations and standards of this section. However, the maximum permitted density shall not be increased by reason of this provision. Applicants shall first seek modifications under this section prior to filing an application as set forth in Section 1111.03 for a variance for areas, yards, setbacks and distances between uses.
   (d)   Common Open Space. As required in Section 1130.04(d), at least ten percent (10%) of the total area of the development shall be reserved as common open space in ASF developments and shall comply with the requirements of Section 1127.07(d) of this Planning and Zoning Code.
   (e)   Pedestrian Circulation. Each ASF development shall be served by a comprehensive walkway system, adequately separated from vehicular circulation, connecting residential buildings to parking and recreation areas.
   (f)   Utility Equipment. All utility lines serving a mixed use residential development shall be located underground. All rooftop mechanical equipment shall be enclosed in a manner which complements the architectural style of the building on which it is located. (Ord. 2016-59. Passed 11-14-16.)
   (g)   Accessory Structures.
      (1)   R1/R2: Accessory structures are permitted as regulated in Section 1125.04.
      (2)   ASF   Fifteen feet in height, maximum.
                  (Ord. 2019-39. Passed 8-13-19.)