General Zoning Provisions
Octave Band Center Frequency (Hz) 31.5 | Octave Band Sound Pressure Level (dB) | |
|---|---|---|
63 | 86 | |
125 | 71 | |
250 | 61 | |
500 | 53 | |
1,000 | 48 | |
2,000 | 45 | |
4,000 | 42 | |
8,000 | 40 |
Slopes | Factor | |
|---|---|---|
30% or greater | 0.1 | |
20% but less than 30% | 0.2 | |
15% but less than 20% | 0.5 | |
Less than 15% | 1.0 |
Slopes | Factor | |
|---|---|---|
30% or greater | 0.25 | |
20% but less than 30% | 0.50 | |
15% but less than 20% | 0.75 | |
Less than 15% | 1.00 |
Slopes | Percentage | |
|---|---|---|
30% or greater | 10% | |
20% but less than 30% | 15% | |
15% but less than 20% | 25% | |
Less than 15% | 35% |
General Zoning Provisions
Octave Band Center Frequency (Hz) 31.5 | Octave Band Sound Pressure Level (dB) | |
|---|---|---|
63 | 86 | |
125 | 71 | |
250 | 61 | |
500 | 53 | |
1,000 | 48 | |
2,000 | 45 | |
4,000 | 42 | |
8,000 | 40 |
Slopes | Factor | |
|---|---|---|
30% or greater | 0.1 | |
20% but less than 30% | 0.2 | |
15% but less than 20% | 0.5 | |
Less than 15% | 1.0 |
Slopes | Factor | |
|---|---|---|
30% or greater | 0.25 | |
20% but less than 30% | 0.50 | |
15% but less than 20% | 0.75 | |
Less than 15% | 1.00 |
Slopes | Percentage | |
|---|---|---|
30% or greater | 10% | |
20% but less than 30% | 15% | |
15% but less than 20% | 25% | |
Less than 15% | 35% |