A. No person shall operate or cause to be operated any source of sound, or allow the creation of any noise, which causes the noise level when measured inside a neighboring receiving occupied building to exceed the following standards:
1. The noise standard for that land use specified in table 2 of this section for a cumulative period of more than five (5) minutes in any hour.
2. The noise standard for that land use specified in table 2 of this section plus five (5) dB for a cumulative period of more than one minute in any hour.
3. The noise standard for that land use specified in table 2 of this section plus ten (10) dB for the maximum measured ambient noise level for any period of time.
B. If the measured ambient level exceeds the allowable exterior noise exposure standard in table 1 of this chapter, the allowable interior noise exposure level shall be adjusted in five (5) dB increments as appropriate to reflect the ambient noise level.
TABLE 2
MAXIMUM PERMISSIBLE INTERIOR SOUND LEVELS BY RECEIVING LAND USE
Receiving Land Use Category | Time Period | Noise Level - dBA |
Single-family residential districts | Any time | 45 |
Multi-family residential districts; institutional; hotels | Any time | 45 |
Commercial | Any time | 50 |
Industrial | Any time | 60 |
(Ord. 2579 § 1, 2004)