10-17-2: BASIC PROVISIONS AND REQUIREMENTS:
The basic provisions and requirements concerning planned unit development are as follows: The subdivision, development and use of land containing fifteen (15) or more acres as an integral unit, which may combine more than one (1) primary land use and which may provide for one-family residential, multiple-family residential, education, limited commercial, recreational, park and common use areas may be described as planned unit development.
   A.   In its establishment and authorization as a special use, in addition to the foregoing provisions, the following procedures, requirements, restrictions, standards and conditions shall be observed.
   B.   The planned unit development may be excluded from the provisions of the subdivision regulations of title 11 of this Code to the extent specified in the final authorization of the planned unit development.
   C.   Any commercial or business use to be combined with a residential or multiple-family residential use shall be limited as follows:
      1.   The commercial or business use must be confined to a community use building located within the development.
      2.   The commercial or business use may not exceed twenty percent (20%) of the total square footage of the community use building.
      3.   The commercial or business use must be available for the general public's use.
      4.   The proposal shall provide for sufficient off-street parking for the commercial or business uses. (1979 Code § 5-17-2)