Supplementary Regulations
Maximum Octave Band Sound Pressure Levels (dB) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Levels db(A) | Octave Band Center Frequency (Hz) | ||||||||
31.5 | 63 | 125 | 250 | 500 | 1,000 | 2,000 | 4,000 | 8,000 | |
55 | 68 | 65 | 61 | 55 | 52 | 49 | 46 | 43 | 40 |
60 | 72 | 68 | 64 | 60 | 56 | 54 | 51 | 48 | 45 |
65 | 76 | 72 | 68 | 64 | 61 | 59 | 56 | 53 | 50 |
70 | 79 | 76 | 72 | 69 | 66 | 64 | 61 | 58 | 55 |
Peak Particle Velocity (inches per second) | ||
|---|---|---|
District | 7:00 a.m. to 10:00 p.m. | 10:00 p.m. to 7:00 a.m. |
R-1, R-V, B-1 | 0.03 | 0.01 |
C-D, A-1, I-1 | 0.06 | 0.06 |
Supplementary Regulations
Maximum Octave Band Sound Pressure Levels (dB) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Levels db(A) | Octave Band Center Frequency (Hz) | ||||||||
31.5 | 63 | 125 | 250 | 500 | 1,000 | 2,000 | 4,000 | 8,000 | |
55 | 68 | 65 | 61 | 55 | 52 | 49 | 46 | 43 | 40 |
60 | 72 | 68 | 64 | 60 | 56 | 54 | 51 | 48 | 45 |
65 | 76 | 72 | 68 | 64 | 61 | 59 | 56 | 53 | 50 |
70 | 79 | 76 | 72 | 69 | 66 | 64 | 61 | 58 | 55 |
Peak Particle Velocity (inches per second) | ||
|---|---|---|
District | 7:00 a.m. to 10:00 p.m. | 10:00 p.m. to 7:00 a.m. |
R-1, R-V, B-1 | 0.03 | 0.01 |
C-D, A-1, I-1 | 0.06 | 0.06 |