(a) Natural Features Analysis. In order to determine which specific areas of the total Planned Unit Development site are best suited for high density development, which areas are best suited for lower density development, and which areas should be preserved in their natural state as open space areas, the developer shall submit a "Natural Features Analysis" of the following subject categories:
(1) Hydrology
(2) Geology
(3) Soils
(4) Topography
(5) Vegetation
(b) Community Impact Analysis. In order to determine the impact of the Planned Unit Development upon the community, an analysis of the potential affects of the Planned Unit Development upon public facilities, utilities, and roadway systems shall be required. Market analysis data which estimates potential market demand for the various types of housing in the proposed Planned Unit Development site shall be presented.