(1) Noises produced by necessary and properly operating safety signals, warning devices and emergency pressure relief valves;
(2) Noises resulting from any authorized emergency vehicle when responding to an emergency call or in time of an emergency;
(3) Noise resulting from emergency work; or
(4) Noise resulting from activities of temporary duration permitted by law for which a permit has been approved by the city in accordance with § 95.08 provided that such noise does not exceed the limits, either in sound pressure level or duration, allowable under the permit and applicable law.
(Ord. 98-05, passed 2-24-98) Penalty, see § 95.99