In R-4A Residence Districts, the following regulations shall
apply:
A. Permitted uses. A building may be erected or used and a lot may be
used or occupied for any of the following purposes and no other:
(1) Any use permitted in an R-4 Residence District.
All regulations of this chapter which apply to an R-4 Residence
District shall also apply for this district, with the exception that:
A. A maximum of 2.25 dwelling units per acre shall be permitted when
averaged over the net area of the entire tract, herein defined to
exclude all public street rights-of-way.
B. Buildings shall be set back from all streets and property lines of
the tract by 75 feet.