Procedure. The owner or owners of a tract of land comprising three (3) acres or more may submit to the planning and zoning commission a plan for the use and development of such tract for the purposes of and meeting the requirements set forth in this article. Said plan shall be accompanied by information concerning the number of persons to be employed, the effects on surrounding property, and other physical conditions, and shall include the following:
A site plan defining the area to be occupied by building, the area to be used for parking, the location of roads, driveways and walks, the location and height of any walls, the spaces for loading, and the character and extent of landscaping, planting and other treatment for adjustment to surrounding property.