The prohibitions set forth herein shall not apply and it shall be a defense to any prosecution hereunder if an otherwise unlawful noise was emitted from:
a. Any siren, whistle, horn or bell lawfully used by emergency vehicles or any other alarm systems used in case of fire, collision, civil defense, police activity or imminent danger; provided, however, that burglar alarms not terminating within thirty (30) minutes after being activated shall be deemed a nuisance and unlawful.
b. Any commercial power and construction equipment operated in the ordinary course of business.
c. Any domestic power equipment operated upon any residential premise between 7:00 a.m. and 11:00 p.m.
d. The operation and maintenance of airplanes, aircraft, locomotives, trains and railways, brush chippers, vacuum leaf loaders, street sweepers, tractor mowers, drill rigs, sanitation removal and refuse collection vehicles or any other City, County or similar service vehicle or equipment.
e. Organized school or recreational related programs, activities, events, festivals, parades or other public programs, activities or events properly authorized by the City.
f. The operation and maintenance of businesses or industries, including, but not limited to, the operation of industrial power equipment, located on property zoned and used for industrial purposes.
(Ord. BG2013-34, 11/5/2013)