Where the ambient noise level, as determined by measurement, is less than designated in this section the following respective “Ambient base noise level” shall govern and be substituted for the “ambient noise level.”
Zone | Time | Ambient Base Noise Level (dB) |
Zone | Time | Ambient Base Noise Level (dB) |
R1 and R2 | 10:00 p.m. to 7:00 a.m. | 55 |
R1 and R2 | 7:00 p.m. to 10:00 p.m. | 60 |
R1 and R2 | 7:00 a.m. to 7:00 p.m. | 65 |
R3 | 10:00 p.m. to 7:00 a.m. | 60 |
R3 | 7:00 a.m. to 10:00 p.m. | 65 |
B1 and B2 | 10:00 p.m. to 7:00 a.m. | 65 |
B3 | 7:00 a.m. to 10:00 p.m. | 70 |
I1 | Anytime | 75 |
I2 | Anytime | 75 |
(‘85 Code, § 29.06(d))