SCHEDULE 61.4.1: MAXIMUM NOISE STANDARDS 1 BY ZONING DISTRICT
Zone of Property Receiving Noise*
Maximum Noise Level Ldn or CNEL, dB
Residential Districts: RL, RH, RMX, RLT, RPD and RNC 60
Commercial and Mixed Use Districts: CC, DMX, CMX, TMX, VMX,RCL, and RSC 65
Office, Business Park: OBP 65
Industrial and Marine Districts: I, CM 70
Planned Development In accordance with base district
* Refer to Chapter 53 for exemptions for agricultural activities.
2. Duration and Timing. The noise standards above shall be modified as follows to account for the
effects of time and duration on the impact of noise levels:
a. In residential districts, the noise standard shall be 5 dB lower between 10:00 p.m. and 7:00 a.m.
b. Noise that is produced for no more than a cumulative period of five minutes in any hour may exceed the standards above by 5 dB.
c. Noise that is produced for no more than a cumulative period of one minute in any hour may exceed the standards above by 10 dB.