Properties located within the R-1a Residence
Districts shall be subject to all of the use, area, bulk and other
requirements of the R-1 Residence District; provided, however that
a lot area requirement of not less than 30,000 square feet per family
shall be provided for every building hereafter erected, altered or
used in whole or in part as a dwelling or for any other permitted
use in the R-1a Residence District.