The following acts are declared to be in violation of this chapter:
1. Horns and Signaling Devices. Sounding of any horn or signaling device on any truck, automobile, motorcycle, emergency vehicle or other vehicle on any street or public place within the City except as a danger warning signal as provided in the vehicle code of the State of Iowa or the sounding of any such signaling device for an unnecessary and unreasonable period of time.
2. Radios, Television Sets, Musical Instruments and Similar Devices.
A. Using, operating or permitting the use or operation of any radio receiving set, musical instrument, television, phonograph, drum or other machine or device as provided for in subsection 3 of this section, in such a manner as to violate Section 53.06 or to cause a noise disturbance.
B. The operating of any such device between the hours of 8:00 p.m. and 7:00 a.m. the following day in such a manner as to be plainly audible at the property boundary of the source or plainly audible at 50 feet (15 meters) from such device when operated within a vehicle parked on a public right-of-way.
3. Public Loudspeakers. Using or operating a loudspeaker or sound amplifying equipment in a fixed or movable position or mounted upon any sound vehicle in or upon any street, alley, sidewalk, park, place or public property for the purpose of commercial advertising, giving instructions, directions, talks, addresses, lectures or transmitting music to any person or assemblages of persons in such a manner as to violate Section 53.06 or cause a noise disturbance unless a permit as provided by Section 53.09 is first obtained.
4. Hawkers and Peddlers. Selling anything by outcry within any area of the City which is zoned primarily for residential uses in such a manner as to violate Section 53.06 or cause a noise disturbance. The provisions of this section shall not be construed to prohibit the selling by outcry of merchandise, food and beverages at licensed sporting events, parades, fairs, circuses, and other similar licensed public entertainment events.
5. Animals. Owning, keeping, possessing or harboring any animal or animals which, by frequent or habitual noise-making, violates Section 53.06 or causes a noise disturbance. The provisions of this section shall apply to all private and public facilities, including any animal pounds or animal hospitals which hold or treat animals.
6. Loading Operation. Loading, unloading, opening or otherwise handling boxes, crates, containers, garbage containers or other objects between the hours of 8:00 p.m. and 7:00 a.m. the following day in such a manner as to violate Section 53.06 or cause a noise disturbance.
7. Construction Work. Operating, or causing to be used or operated, any equipment used in construction, repair, alteration or demolition work on buildings, structures, streets, alleys or appurtenances:
A. In residential or commercial land use districts between the hours of 8:00 p.m. and 7:00 a.m. the following day; or
B. In any land use district where such operation exceeds the sound level limits for an industrial land use as set forth in Section 53.06.
8. Power Equipment. Operating or permitting to be operated any power equipment, except construction equipment used for construction activities including but not limited to power saws, sanders, lawn mowers, garden equipment, and chain saws:
A. In residential or commercial land use districts between sunset and 7:00 a.m. the following day; or
B. In any land use district if such equipment emits a sound pressure level in excess of 82 dB(A) measured at a distance of 50 feet (15 meters).
9. Fireworks or Explosives. The use of explosives or fireworks, or the firing of guns or other explosive devices so as to be audible across a property boundary or on a public space or right-of-way, without first obtaining a permit as provided by Section 53.09. This provision shall not be construed to permit conduct prohibited by other statutes, ordinances or regulations governing such activity.
11. Powered Model Mechanical Devices. The flying or operating of a model vehicle powered by internal combustion engines, whether tethered or not, or the firing or operating of model rocket vehicles or other similar noise-producing devices, between the hours of 8:00 p.m. and 7:00 a.m. the following day in such a manner as to violate Section 53.06 or cause a noise disturbance.
12. Standing Motor Vehicle. The operating or causing or permitting to be operated in a residential zone, any motor vehicle or any auxiliary equipment attached in such a manner as to violate Section 53.06 or cause a noise disturbance for a consecutive period longer than 15 minutes during which such a vehicle is stationary.