Residential lots within an RPD development may be served by public sewers or individual on-site sewage disposal systems

All RPD developments shall submit a sketch plan which shows the following information

A. A yield plan showing the maximum number of lots that could be developed under the standards of the AGR Agricultural District

B. A calculation showing the maximum number of lots permitted under the RPD standards

C. The proposed layout of the residential lots and open space which plan shall include topography, any existing improvements and all natural features on the site including streams, waters of the Commonwealth, floodplains, wetlands, woodlands and slopes in excess of 10%

D. The location of proposed open space, including a calculation showing the amount of required open space