More specifically, each application for an area or use variance shall be accompanied by a site plan at a scale of one inch equals 50 feet. The site plan shall show the size and placement of the lot, including tax map reference numbers (section, block, lot), surrounding land use, design and location of proposed buildings, driveways, parking areas, landscaping and screening, proposed drainage and utility systems, existing and proposed contours of the land, and any other information deemed necessary by the Zoning Board of Appeals.