8.28.040 Specific noises prohibited.
   The following acts, among others, are declared to be loud, disturbing and unnecessary noises in violation of this chapter, but such enumeration shall not be deemed to be exclusive:
   A.   Animals, Bird, Etc. The keeping of any animal or bird which by causing frequent or long continued noise shall disturb the comfort or repose of any persons in the vicinity.
   B.   Blowers. The operation of any noise-creating blower or power fan or any internal combustion engine, the operation of which causes noise due to the explosion of operating gases or fluids, unless the noise from such blower or fan is muffled and such engine is equipped with a muffler device sufficient to deaden such noise.
   C.   Construction or Repairing of Buildings. The erection (including excavating), demolition, alteration or repair of any building other than between the hours of seven a.m. six p.m. on weekdays, except in case of urgent necessity in the interest of public health and safety, and then only with a permit from the city engineer, which permit may be granted for a period not to exceed three days or less while the emergency continues and which permit may be renewed for periods of three days or less while the emergency continues: if the city engineer should determine that the public health and safety will not be impaired by the erection, demolition, alteration or repair of any building or the excavation of streets and highways within the hours of six p.m. and seven a.m. on weekdays only and if he shall further determine that loss or inconvenience would result to any party in interest, he may grant permission for such work to be done within the hours of six p.m. and seven a.m. on weekdays only upon application being made at the time the permit for the work is awarded or during the progress of the work.
    D.   Defect in Vehicles or Load and Use of Vehicles. The use of any automobile, motorcycle or vehicle so out of repair, so loaded or in such manner as to create loud and unnecessary grating, grinding, rattling or other noise; the creation of grating, screeching, grinding, squeaking, loud reports or shots, or other noises in the use of automobiles, motorcycles or other vehicles or appurtenances attached thereto.
   E.   Drums. The use of any drum or other instrument or device for the purpose of attracting attention by creation of noise to any performance, show or sale.
   F.   Exhausts. The discharge into the open air of the exhaust of any steam engine, stationary internal combustion engine, motor boat or  motor vehicle except through a muffler or other device which will effectively prevent loud or explosive noises therefrom.
   G.   Hawkers, Peddlers. The shouting and crying of peddlers, hawkers and vendors which disturbs the peace and quiet of the neighborhood.
   H.   Horns, Signaling Devices, etc. The sounding of any horn or signaling device on any automobile, motorcycle or other vehicle on any street or public place of the city, except as a danger warning; the creation by means of any such signaling device of any unreasonably loud or harsh sound; the sounding of any such device for an unnecessary and unreasonable period of time; the use of any signaling device except one operated by hand or electricity; the use of any horn, whistle or other device operated by engine exhaust; and the use of any such signaling device when traffic is for any reason held up.
   I.   Loading, Unloading, Opening Boxes. The creation of a loud and excessive noise in connection with loading or unloading any vehicle or the opening and destruction of bales, boxes, crates and containers.
   J.   Loudspeakers, Amplifiers for Advertising. The using, operating or permitting to be played, used or operated of any radio receiving set, musical instrument, phonograph, loudspeaker, sound amplifier or other machine or device for the producing or reproducing of sound which is cast upon the public streets for the purpose of commercial advertising or attracting attention of the public to any building or structure.
   K.   Metal Rails, Pillars and Columns — Transportation Thereof. The transportation of rails, pillars or columns of iron, steel or other material, over and along streets and other public places upon carts, drays, cars, trucks or in any other manner so loaded as to cause loud noises or as to disturb the peace and quiet of such streets or other public places.
   L.   Pile Drivers, Hammers, Etc. The operation between the hours of six p.m. and seven a.m. of any pile driver, steam shovel, pneumatic hammer, derrick, steam or electric hoist or other appliance, the use of which is attended by loud or unusual noise.
   M.   Radios, Phonographs, etc. The using, operating, or permitting to be played, used or operated any radio receiving set, musical instrument, phonograph or other machine or device for the producing or reproducing of sound in such manner as to disturb the peace, quiet and comfort of the neighboring inhabitants or at any time with louder volume than is necessary for convenient hearing for the person or persons who are in the room, vehicle or chamber in which such machine or device is operated and who are voluntary listeners thereto; the operation of any such set, instrument, phonograph, machine or device between the hours of eleven p.m. and seven a.m. in such a manner as to be plainly audible at a distance of fifty feet from the building, structure or vehicle in which it is located shall be prima facie evidence of a violation of this section.
   N.   Schools, Courts, Churches, Hospitals. The creation of any excessive noise on any street adjacent to any school, institution of learning, church or court while the same are in use, or adjacent to any hospital, which unreasonably interferes with the workings of such institution, or which disturbs or unduly annoys patients in the hospital, provided conspicuous signs are displayed in such streets indicating that the same is a school, hospital or court street.
   O.   Steam Whistles. The blowing of any locomotive steam whistle or steam whistle attached to any stationary boiler except to give notice of the time to begin or stop work or as a warning of fire or danger, or upon request of proper city authorities.
   P.   Yelling, Shouting, etc. Yelling, shouting, hooting, whistling or singing on the public streets, particularly between the hours of eleven p.m. and seven a.m. or at any time or place so as to annoy or disturb the quiet, comfort or repose of persons in any office, or in any dwelling, hotel or other type of residence, or of any persons in the vicinity. (Prior code § 17-4)