Maps drawn by an architect, civil engineer, or comparable professional to a recognized scale; including a graphic scale, date, north area, title, and preparer's contact information; and including the following information: location and existing conditions, including the area within 300 feet of the site, and showing existing land uses and buildings, streets, other existing improvements, easements, lot lines, and natural features (e.g., mature trees), and environmentally constrained land; preliminary development plan showing and quantifying proposed general areas to be retained in open space, recreation, stormwater management, mature tree preservation, and landscaping, existing and proposed uses, public streets, and paths; number and type of dwelling units; projected population and employment; availability of or requirements for new or extended roads and other municipal services; relationship of the proposed uses and improvements to surrounding properties; and a staging plan if the development will or may be built in stages.