All provisions of the R-B Residential Zone Regulations as contained within subsection 17-23.3 are incorporated herein by reference in their entirety, with the exception of the following: All requirements imposed by the R-B Zone are hereby also imposed for the R-D Zone with the exception of lot depth which shall be not less than sixty (60') feet and linear foot minimum rear setback which shall be fifteen (15') feet with the further exception that an exterior deck railing and stairs shall have the linear minimum rear setback no less than ten (10') feet. In the event that the actual lot depth between Berkeley Avenue and the Berkeley Township boundary line is less than sixty (60') feet, then said lot depth in this unique area shall be considered conforming. However, said property shall still be subject to the above-stated additional requirements.