Churches and other facilities normally incidental thereto are subject to the following conditions:
(a) Direct access and egress only to and from an existing or planned major thoroughfare or collector street.
(b) Existing churches and church lands purchased before the effective date of this Ordinance and not meeting these requirements shall not be prevented from constructing and/or expanding their facilities and, for the purpose of this Zoning Ordinance, shall not be considered nonconforming.
(c) The principal buildings on the site shall be setback from abutting properties zoned for residential use not less than twenty-five (25) feet.
(d) Buildings of greater than the maximum height allowed in the zoning district may be allowed, provided that front, side and rear yards are increased above the minimum requirements by one (1) foot for each foot of building that exceeds the maximum height allowed.