The Council, following review by the Planning Commission, shall have the power to vary from the lot requirements of the R-1 and R-2 Districts in the event a planned residential development as defined herein is proposed which generally would create a more desirable living environment than would be possible through the strict application of lot and yard requirements, and which meets the following development standards.
(A) Maximum density:
(1) Detached dwellings: six dwelling units per net residential acre; and
(2) Attached dwellings: ten dwelling units per net residential acre.
(B) Minimum setback from residential street center line: 60 feet.
(C) Minimum setback from interior lot line: ten feet for walls with windows, six feet for windowless walls.
(D) Minimum spacing between buildings: one-half the sum of the heights of the two buildings.
(E) Minimum area devoted to developed open space for the common use of residents of the development: 10% of total area.
(2003 Code, § 9.51-10)