531.03  SPECIFIC PROHIBITIONS.
   Except as otherwise provided by these Codified Ordinances, the following acts and the causing or permitting thereof, are declared to be in violation of this chapter:
   (a)   Air Conditioners.  Maintaining any refrigeration machinery or air conditioning, consisting of air compressors or rotating or reciprocating machinery, in such a manner as to create a noise disturbance across a residential real property boundary.
   (b)   Construction.  Operating or permitting the operation of any tools or equipment used in construction, drilling or demolition work between hours of 9:00 p.m. and 7:00 a.m., such that the sound therefrom creates a noise disturbance across a residential real property boundary, except for emergency work of public service utilities or by special variance.  This subsection shall not apply to the use of domestic tools subject to subsection (c) hereof.
   (c)   Domestic Power Tools.  Operating or permitting the operation of any mechanically powered saw, drill, sander, grinder, lawn or garden tool, lawnmower, or other similar device used outdoors, other than powered snow removal equipment, outdoors between the hours of 9:00 p.m. and 7:00 a.m., or on Saturday or Sunday before the hour of 8:30 a.m.
   (d)   Emergency Signaling Devices.  The intentional sounding or permitting the sounding outdoors of any fire, burglar or civil defense alarm, siren, whistle or similar stationary emergency signaling device, except for emergency purposes or for testing, as provided in this section.  Testing of a stationary emergency signaling device shall occur at the same time of day each time such a test is performed, but not before 7:00 a.m. or after 9:00 p.m. or the closing time of a commercial establishment, whichever shall occur later.  Any such testing shall use only the minimum cycle test time.  In no case shall such time exceed sixty seconds.  Testing of the complete emergency signaling system, including the functioning of the signaling device and the personal response to the signaling device shall not occur before 7:00 a.m. or after 9:00 p.m.  In no case shall such test exceed ten seconds.
   (e)   Explosives, Firearms and Similar Devices.  The using or firing of explosives, firearms, or similar devices which create impulsive sound so as to cause a noise disturbance across a residential real property boundary or on a public space or right of way, without first obtaining a special variance.
   (f)   Loading and Unloading Materials.  Loading, unloading, opening, closing or other handling of boxes, crates, containers, building materials, garbage cans or similar objects between the hours of 9:00 p.m. and 7:00 a.m. in such a manner as to cause a noise disturbance across residential real property boundary.
   (g)   Loudspeakers/Public Address System.
      (1)   Using, operating or permitting the operation of any loudspeaker, musical instrument, stereo equipment, amplification equipment, public address system, mobile sound vehicle or similar device amplifying sound therefrom on a public right of way or public space for any commercial purpose.
      (2)   Using, operating or permitting for any noncommercial purpose any loudspeaker, musical instrument, stereo equipment, amplification equipment, public address system, mobile sound vehicle, or similar device between the hours of 9:00 p.m. and 7:00 a.m., such that the sound therefrom creates a noise disturbance across a residential real property boundary.
   (h)   Powered Model Vehicles.  Operating or permitting the operation of a powered model vehicle or vehicles so as to create a noise disturbance across a residential real property boundary or in a public space between the hours of 9:00 p.m. and 7:00 a.m.
   (i)   Vehicle or Motorboat Repairs and Testing.  Repairing, rebuilding, modifying or testing any motor vehicle, motorcycle, motorized bicycle or motorboat in such a manner as to cause a noise disturbance across a residential real property boundary.
      (Ord. 91-370.  Passed 8-1-91; Ord. 92-387.  Passed 6-4-92.)