The Board of Trustees shall not grant a planned unit development unless the Board shall find:
A. That the planned unit development is in harmony with the general intent of this Zoning Title.
B. That the planned unit development will be on a tract of land under common ownership or unified control.
C. That the uses permitted in the planned unit development shall be compatible to each other and not detrimental to the use and enjoyment of nearby properties. The requirements of this subsection C shall be deemed met if the permitted uses are so designed, located and proposed to be operated so that the public health, safety and welfare will be protected and such uses will not cause appreciable injury or damage to other property.
D. That the establishment, maintenance or operation of the planned unit development will not impede the normal and orderly development and improvement of surrounding properties.
E. That adequate utilities, access roads, drainage and other necessary facilities have been or will be provided.
F. That adequate measures have been or will be taken to provide ingress and egress so designed as to minimize traffic congestion in the public streets. (1983 Code)