509.11   EXCEPTIONS.
   The provisions of this chapter shall not apply to the following:
   (a)   The emission of sound for the purpose of alerting persons to the existence of an emergency, or for the performance of emergency work.
   (b)   Organized school-related programs, activities or parades or other public programs, activities or events authorized by the Police Chief or his designated representative.
(Ord. 2017-13. Passed 2-8-18.)