A. For a special event that is to include amplified sound, the following restrictions shall apply:
1. Amplified sound shall not be used before nine a.m. and after ten p.m. Sunday through Thursday and before nine a.m. and after eleven p.m. on Friday, Saturday, and the day prior to a federal, state, or city designated holiday, unless more or less restrictive rules are set for certain parks or park areas, or the city manager expressly authorizes such use under a special event permit; and
2. Amplified sound shall not exceed a noise level of ninety-eight (98) dBA at a distance of one hundred fifty (150) feet from a noise source or sources, eighty (80) dBA when measured from the nearest residential property, or twenty-four (24) dBA above ambient noise levels, whichever noise level is lower.
B. The provisions of subsection A of this section shall not apply to:
1. Broadcasts from any vehicle to which the provisions of Chapter 10.60 are applicable;
2. Use of amplified sound by any peace officer or employee of the city while engaged in the performance of his or her duties; or
3. The amplified sound is infrequent, for a short duration, and is required for the operation of the special event. (Ord. 2012-042 § 4)