Performance Standards
Table 21-1: Noise Limits | |||
|---|---|---|---|
Zoning District | Time Period | Sound Level (dBa) | |
R-1, R-2, R-3, R-4 and M-1 | 7:00 a.m. to 10:00 p.m. | 60 | |
10:01 p.m. to 6:59 a.m. | 55 | ||
M-2 and M-3 | 7:00 a.m. to 10:00 p.m. | 60 | |
10:01 p.m. to 6:59 a.m. | 55[1] | ||
Table 21-2: Frequency Amplitude Relations | |
|---|---|
Frequency of Ground Motion (cycles per second) | Maximum Amplitude of Ground Motion in Inches, Not More Than: |
Up to 10 | 0.0305 |
20 | 0.0163 |
30 | 0.0102 |
40 | 0.0076 |
50 | 0.0061 |
60 | 0.0051 |
Performance Standards
Table 21-1: Noise Limits | |||
|---|---|---|---|
Zoning District | Time Period | Sound Level (dBa) | |
R-1, R-2, R-3, R-4 and M-1 | 7:00 a.m. to 10:00 p.m. | 60 | |
10:01 p.m. to 6:59 a.m. | 55 | ||
M-2 and M-3 | 7:00 a.m. to 10:00 p.m. | 60 | |
10:01 p.m. to 6:59 a.m. | 55[1] | ||
Table 21-2: Frequency Amplitude Relations | |
|---|---|
Frequency of Ground Motion (cycles per second) | Maximum Amplitude of Ground Motion in Inches, Not More Than: |
Up to 10 | 0.0305 |
20 | 0.0163 |
30 | 0.0102 |
40 | 0.0076 |
50 | 0.0061 |
60 | 0.0051 |