A. No person shall cause, suffer, allow, or permit the operation of any sound source in such a manner as to create a sound level that exceeds the background sound level by at least ten (10) dBA during daytime hours (7:00 A.M. to 10:00 P.M.) and by at least five (5) dBA during nighttime hours (10:00 P.M. to 7:00 A.M.) when measured at or within the property line of the receiving property, except as otherwise provided in subsection B of this section.
B. If the background sound level cannot be determined, the absolute sound level limits set forth in table 2 of this section shall be used.
C. If the sound source in question is a pure tone, the limits of table 2 of this section shall be reduced by five (5) dBA.
TABLE 2
MAXIMUM ALLOWABLE SOUND LEVELS
Type Of Premises Where Noise Received
| Time Period | Maximum Allowable Sound Level
|
Type Of Premises Where Noise Received
| Time Period | Maximum Allowable Sound Level
|
Residential | 7:00 A.M. to 10:00 P.M. | 55 dBA |
10:00 P.M. to 7:00 A.M. | 50 dBA | |
Commercial | 7:00 A.M. to 10:00 P.M. | 65 dBA |
10:00 P.M. to 7:00 A.M. | 60 dBA | |
Industrial | 7:00 A.M. to 10:00 P.M. | 80 dBA |
10:00 P.M. to 7:00 A.M. | 75 dBA | |
Public | 7:00 A.M. to 10:00 P.M. | 75 dBA |
10:00 P.M. to 7:00 A.M. | 70 dBA | |
D. Nonrepetitive impulsive sound sources shall not exceed ninety (90) dBA at or within the property line of a residential premises, using the fast meter response speed.
E. In multiple dwelling units, if the background sound level cannot be determined, the daytime limit is forty five (45) dBA and the nighttime limit is thirty five (35) dBA for sound originating in another dwelling within the same building.
(Ord. 2001-17, 3-27-2001, eff. 5-1-2001)