COMMERCIAL AREA. A parcel of land zoned for or legally used for commercial purposes. A parcel of land which is zoned D-2, D-3, D-4, D-5 or D-6 is legally being devoted to use which is a principal permitted use in such zoning districts is presumed to be such an area.
CONSTRUCTION. Any site preparation, assembly, erection, substantial repair, alteration or similar action, but excluding demolition.
CONTINUOUS NOISE. Any noise whose level varies less than 5 dB(A) during a period of at least five (5) minutes.
DAYTIME. Unless otherwise specifically noted, means the hours from 8:00 a.m. to 9:00 p.m.
dB(A). Decibels on the A-weighted network of a sound level meter as specified in American National Standards Institute Standard 5-1.4 — 1971.
DEMOLITION. Any dismantling, intentional destruction, or removal of structures, utilities, public or private right-of-way surfaces, or similar property.
EMERGENCY. Any occurrence or set of circumstances involving actual or imminent physical trauma or property damage which demands immediate action.
IMPULSIVE NOISE. A short burst of sound not exceeding ten (10) seconds in duration.
INDUSTRIAL AREA. A parcel of land zoned for or used for industrial purposes. A parcel of land which is zoned E, F or G, or is legally being devoted to a use which is a principal permitted use in such zoning districts is presumed to be such an area.
INTERMITTENT NOISE. Any noise whose level remains constant which goes on and off during a course of measurement of at least ten (10) seconds, or goes on and off during a period of at least five (5) minutes, but which exceeds ten (10) seconds in duration each time it is on.
NIGHTTIME. Unless otherwise specifically noticed, means the hours between 9:00 p.m. and 8:00 a.m.
NOISE. Any sound occurring on either a perpetual, continuous, intermittent or impulsive basis. It also means the intensity, frequency, duration and character of sound, including sound and vibration and subaudible frequencies.
NOISE DISTURBANCE. Any sound which:
(1) Endangers or injures the safety or health of humans or animals; or
(2) Annoys or disturbs a reasonable person of normal sensibilities; or
(3) Endangers or injures personal or real property.
PERPETUAL NOISE. Any noise whose level varies less than 3 dB(A) during a period of at least thirty (30) minutes.
PERSON. Any individual, association, partnership or corporation, and includes the City and other governmental entities.
REAL PROPERTY BOUNDARY. Any imaginary line along the ground surface, and its vertical extension, which separates the real property owned by one person from that owned by another person, but not including intrabuilding real property divisions.
RECEIVING LAND USE. The use (commercial, industrial or residential) of the land on or at which a noise is received.
RESIDENTIAL AREA. A parcel of land zoned for or legally used for residential purposes. A parcel of land which is zoned A-1, A-2, B, C-1, C-2 and D-1 or is legally being devoted to a use which is a principal permitted use in such zoning districts is presumed to be such an area.
WEEKDAY. Any day Monday through Friday which is not a legal holiday.
(Ord. 2741, passed 10-22-1979)