Following approval by the Plan Commission and Village Board of a preliminary plan, the applicant shall furnish 15 copies of a final plan of any section of not less than four acres of the land shown on the preliminary plan, prepared or certified by a surveyor or engineer duly authorized by the state to practice as such, showing the layout of all major and local thoroughfares and local streets, the location of all buildings, parking areas, pedestrianways, utility easements, lot lines, open spaces, parks, recreation areas, school sites, playgrounds, the proposed use of all buildings and the metes and bounds of all dedicated areas and lots. The applicant shall also furnish a proposed deed of dedication including restrictions safeguarding the use of open spaces and preventing encroachment upon open spaces between buildings. The applicant shall furnish a deed, or deeds, to land determined by the Village to be needed for public elementary and intermediate school purposes. When the final plan and deed of dedication shall have been approved by the Plan Commission and Village Board as being in conformity with this section and with any changes or requirements of the Plan Commission and Village Board on the preliminary plan, it shall be approved for recordation and recorded. Thereafter, no modification may be made in any final plan except by an amended final plan submitted as provided for the original plan.