In addition to the requirements set forth at Schedule IV-1, Schedule of District Use Regulations, and Schedule IV-2, Area, Yard and Bulk Requirements, for the R-20A Zone, development in the R-20A Zone shall be subject to the following provisions:
A.
Public open space lots shall not be subject to the minimum area, width, frontage and depth requirements set forth at Schedule IV-2, Area, Yard and Bulk Requirements.
C.
Irrespective of § 101-21A(11), the maximum permitted height of retaining walls in the R-20A Zone shall be six feet.