(A) Notwithstanding any other provision of this chapter, noise projecting from one property onto another shall be considered per se unreasonable when it exceeds the following limits as measured on the property receiving the sound.
Decibels | Time | Zone |
45 dB(A) | Nighttime | Residential |
55 dB(A) | Daytime | Residential |
60 dB(A) | Nighttime | Commercial and special use permits issued for commercial purposes |
65 dB(A) | Daytime | Commercial and special use permits issued for commercial purposes |
70 dB(A) | Nighttime | Industrial |
75 dB(A) | Daytime | Industrial |
(B) Any decibel measurement made pursuant to the provisions of this chapter shall be based on a reference sound pressure of 0.002 microbars, as measured in any octave band with center frequency, in hertz (cycles per second) as follows: 63; 125; 250; 500; 1,000; 4,000; and 8,000, or as measured with a sound level meter using the A-weighting aural sound level.
(C) Noise projecting from property of one land-use category onto property of another land-use category having a lower sound level is unreasonable if it exceeds the limits for the property of the land- use category onto which it is projected.
(Ord. 2010-013, passed 10-7-2021) Penalty, see § 90.99