The purpose of the Recreational Unit Development District Zone is to provide real property sites for owner's personal use as recreational, shop, storage or hobby buildings. The use, building size and height of the improvements in this district are regulated to provide consistent use and visual appeal within the zoning district. See Building Construction, Chapter 64; Subdivision of Land, Chapter 164; and Building Construction, Chapter 64, Article VI, Sign Ordinance, for further regulation of recreational unit development.