Prior to the granting of any special use the zoning commission may recommend, the city council shall stipulate the conditions and restrictions upon the establishment, location, construction, maintenance, and operation of the special use, as deemed necessary for the protection of the public interest and to secure compliance with the standards and requirements specified in § 153.221. In all cases in which special uses are granted, the city council shall require evidence and guarantees it may deem necessary as proof that the conditions stipulated in connection therewith are being, and will be, complied with.
('69 Code, App. A, § 10.8-8)