A site plan showing the location, proposed use and height of all buildings; the location of all parking and truck loading areas, with access and egress drives thereto; the location of outdoor storage, if any; the location of all existing or proposed site improvements, including drains, culverts, retaining walls and fences; a description of the method of sewage disposal and the location of such facilities; the location and size of all signs; the location and proposed development of buffer areas; the zoning setback requirements, a table that shows required setbacks, parking spaces and other requirements and what is proposed, and the location and design of lighting facilities. In addition, the site plan must state the gross floor area and net floor area for each building and delineate and state the area of each use therein, including flex space, if any.