Landscaping; Environmental and Swimming Pool Maintenance Requirements; Performance Standards
Octave Band (cycles per second) | Sound Pressure Level (decibels) |
|---|---|
0 to 74 | 66 |
75 to 149 | 58 |
150 to 299 | 55 |
300 to 599 | 50 |
600 to 1,199 | 45 |
1,200 to 2,399 | 42 |
2,400 to 4,799 | 38 |
4,800 to 20,000 | 35 |
Vibration Displacement (inches) | ||
|---|---|---|
Frequency (cycles per second) | Steady State | Impact |
Under 10 | 0.0005 | 0.0010 |
10 to 19 | 0.0004 | 0.0008 |
20 to 29 | 0.0003 | 0.0006 |
30 to 39 | 0.0002 | 0.0004 |
40 and over | 0.0001 | 0.0002 |
Landscaping; Environmental and Swimming Pool Maintenance Requirements; Performance Standards
Octave Band (cycles per second) | Sound Pressure Level (decibels) |
|---|---|
0 to 74 | 66 |
75 to 149 | 58 |
150 to 299 | 55 |
300 to 599 | 50 |
600 to 1,199 | 45 |
1,200 to 2,399 | 42 |
2,400 to 4,799 | 38 |
4,800 to 20,000 | 35 |
Vibration Displacement (inches) | ||
|---|---|---|
Frequency (cycles per second) | Steady State | Impact |
Under 10 | 0.0005 | 0.0010 |
10 to 19 | 0.0004 | 0.0008 |
20 to 29 | 0.0003 | 0.0006 |
30 to 39 | 0.0002 | 0.0004 |
40 and over | 0.0001 | 0.0002 |