§ 10.29.02  NOISE SOURCE REQUIREMENTS.
   (a)   A source (excluding operating on public , locomotives and railroad cars, snowmobiles, construction equipment at construction sites, maintenance of utility easements, and snow plowing of public streets and sidewalks by the city or county as detailed in Article IV of this chapter) within the following zoning districts (as defined in this code) shall not exceed the noise levels set forth below.
      (1)   Industrial or freeway development zoning districts (which may include, but are not necessarily limited to, foundries, plastics extrusion, heavy-equipment repair, metal treating, cement handling, concrete products, excavation processes, junk-car disposal or any other manufacturing concern): 70 dBA as measured on the property line of the source.
      (2)   Business or commercial-recreational (which may include, but are not necessarily limited to, service stations, motels, restaurants, blue printers, lumber yards, drycleaners, experimental laboratories, schools, car washes and open sales lots): 65 dBA as measured on the property line of the source.
      (3)   Residential zoning district (which may include, but is not limited to, single-family dwellings, private schools, day care facilities, private garages, permitted home occupations, place(s) of assembly for worship, public stables, marinas, multiple dwellings and retail shops): 60 dBA in the daytime (7:00 a.m. to 10:00 p.m.) and 50 dBA in the nighttime (10:00 p.m. to 7:00 a.m.) as measured on the property line of the source.
   (b)   In the event that the property on which an industrial, freeway development, business, commercial-recreational or institutional source is located across a street, road or railroad track from, or abuts residentially zoned and residentially use property, the source in question shall not exceed an of 60 dBA in the daytime (7:00 a.m. to 10:00 p.m.) and an of 50 dBA in the nighttime (10:00 p.m. to 7:00 a.m.) as measured on the property line of the source.
   (c)   Construction equipment, which may include, but is not necessarily limited to, front loaders, graders, cranes, pumps, saws and generators, being operated at a construction site shall not exceed an of 85 dBA at a distance of 50 feet. See § 10.29.07(c) of this chapter for hours of operation.
(1958 Code, § 166.03)  (Ord. 168, passed 1-8-1952; Ord. 75-49, passed 9-22-1975; Ord. 2006-49, passed 11-20-2006; Ord. 2009-2, passed 2-2-2009; Ord. 2009-36, passed 11-16-2009; Ord. 2012-2, passed 1-23-2012; Ord. 2015-6, passed 1-26-2015)