A buffer zone at least twenty-five (25') feet in width shall be provided along rear and side property lines and shall include a screen fence or hedge at least six (6') feet in height and shall be properly maintained at all times in a business, commercial, industrial, professional or multi-family residential zone. Whereas a business, commercial, industrial, professional or multi-family zone abuts a single-family residential zone, the minimum width of the buffer zone shall be in accordance with Subsection
18-5.1, Schedule of Area, Yard, Building (Bulk) and Unit Requirements). Detailed plans for the size and nature of the buffer shall be set forth on the site plan submitted pursuant to this Chapter and shall be subject to approval of the Planning Board or Zoning Board which may for special reasons increase the minimum requirements set forth herein.