Should the director of recreation and parks or his authorized deputy determine that any proposed use of any park, recreation area, or facility would be detrimental to the health or safety of the people or to the efficient operation of any park, recreation area, or facility for the public welfare, he shall reject the application made for permission to put any park, recreation area, or facility to any such use, and in such case shall refuse to issue a permit. (Ord. No. 872 (NCS), § 2.)