The following accessory uses, in addition to those previously specified, shall be permitted in any residential and agricultural district, if the accessory uses do not alter the character of the premises, as determined by the Planning Commission, in respect to their use for the purposes permitted in the district:
(A) The operation of necessary facilities and equipment in connection with schools, colleges, universities, hospitals and other institutions permitted in the district; and
(B) Recreation, refreshment and service buildings in public parks and playgrounds.
(2001 Code, § 11.11)