Sec. 20-30. Exceptions.
   Sound or noise associated with the following are excepted from the application of this article:
      (1)   Construction activity performed by an agency of government, provided that all equipment is operated in accordance with manufacturer's specifications and is equipped with all noise-reducing equipment in proper condition;
      (2)   Construction or repair work and regulated activities of utilities regulated by the state utilities commission;
      (3)   Construction activities associated with home improvements between the hours of 7:00 a.m. and 9:00 p.m. Monday through Sunday;
      (4)   Lawnmowers and turf management equipment operated between the hours of 6:00 a.m. and 9:00 p.m. when operated in accordance with manufacturer's specifications and with all standard noise reducing equipment in place and in proper condition;
      (5)   Refuse collection vehicles operating during daylight hours;
      (6)   Safety signals, warning devices, emergency pressure relief valves, and church bells;
      (7)   Outdoor entertainment events only to the extent authorized in a special event permit issued by the town;
      (8)   Regularly scheduled athletic events at town parks, athletic facilities, and public or private schools;
      (9)   Film and video production activities for which permits have been issued by the town, provided all equipment such as generators are properly muffled;
      (10)   Lawful fireworks;
      (11)   Properly equipped aircraft operated in accordance with applicable federal rules and regulations; and
      (12)   Governmental emergency vehicles and firearms in the course of the performance of official duties.
(Code 1989, § 84A.04)