Sketch map. A sketch map is required with all applications for a zoning permit for one- or two-family dwellings, their customary accessory uses, or farm use. The sketch map shall be drawn to scale and show the dimensions and location of the lot, exact size and location of all existing and proposed buildings on the lot, proposed location of water and sewage disposal systems, parking areas and driveway location, natural water courses, ponds, surface drainage patterns and location of existing or proposed easements; or