1161.05 MINIMUM PROJECT AREA.
   The area proposed to be developed as a CRD shall be in one ownership, or if in several ownerships, the application shall be filed jointly by all owners of the properties included in the proposed CRD boundaries. The gross area of a tract of land in a CRD shall be a minimum of:
   (a)   33,000 square feet in an R-1 District.
   (b)   33,000 square feet in an R-2 District.