The uses listed in this ordinance as special approval uses are recognized as possessing characteristics of such unique and special nature (relative to location, design, size, public utility needs, and other similar characteristics) as necessitating individual standards and conditions in order to safeguard the general health, safety and welfare of the community. The standards to which each use allowed by special permit must conform before approval for a zoning or building permit can be granted are identified in Article 22, site development requirements. Unless otherwise specified, a special use must conform at least to the minimum height, bulk and setback requirements of the district in which it is located. The requirements for initiating a request for a special use permit are specified in Article 20.