The following uses and activities shall be exempt from the noise level regulations provided in this chapter:
(a) Noise from safety signals, warning devices and emergency relief valves when used for their proper purposes.
(b) Noise resulting from any authorized emergency vehicle when responding to an emergency call or acting in time of emergency.
(c) Noise resulting from bona fide emergency work.
(d) Noise resulting from authorized public activities, such as parades, fireworks, sports events and other activities which have the approval of the Safety-Service Director or his or her designee.
(Ord. 187-92. Passed 8-20-92.)