16.57.030 Noise.
A. The maximum allowable noise levels as measured at the property line of noise impacted uses or activities shall be those set forth in Chapter 173-60 WAC, titled “Maximum Environmental Noise Levels,” which chapter is hereby incorporated by reference
B. The “Environmental Designation for Noise Abatement” (EDNA) for the several land use classifications of this title shall be as follows:
All living areas: A
All commercial areas: B
All public/institutional areas: A
Light industrial, industrial, mineral extraction: C
C. No person shall cause or permit noise to intrude into the property of another person which noise exceeds the maximum permissible noise levels set forth in Table 16T-14.
1. The noise limitations established are as set forth in the following table after any applicable adjustments provided for herein are applied.
|
EDNA OF NOISE SOURCE |
EDNA OF RECEIVING PROPERTY |
||
|---|---|---|---|
|
CLASS A |
CLASS B |
CLASS C |
|
|
CLASS A |
55 dBA |
57 dBA |
60 dBA |
|
CLASS B |
57 |
60 |
65 |
|
CLASS C |
60 |
65 |
70 |
2. Between the hours of 10:00 p.m. and 7:00 a.m. the noise limitations of the foregoing table shall be reduced by 10 dBA for receiving property within Class A EDNAs.
3. At any hour of the day or night the applicable noise limitations in (1) and (2) above may be exceeded for any receiving property by no more than:
a. 5 dBA for a total of 15 minutes in any one-hour period; or
b. 10dBA for a total of 5 minutes in any one-hour period; or
c. 15 dBA for a total of 1.5 minutes in any one-hour period.