GENERAL AND PERFORMANCE STANDARDS
Center Frequency (Cycles per Seconds) | Maximum Sound Pressure Level (Decibels) |
|---|---|
31.5 | 65 |
63.0 | 67 |
125.0 | 66 |
250.0 | 59 |
500.0 | 52 |
1,000.0 | 46 |
2,000.0 | 37 |
4,000.0 | 26 |
8,000.0 | 17 |
NOTES: |
Sound pressure level in decibels equals 0.0002 dynes/cm2. |
PV = 6.28 F x D |
Where: | |||
PV | = | Particle velocity, inches per second | |
F | = | Vibration frequency, cycles per second | |
D | = | Single amplitude displacement of the vibration in inches. | |
Maximum Ground-Transmitted Vibration | ||
|---|---|---|
Particle Velocity (Inches/Second) | ||
Zoning District | Adjacent Lot Line | Residential Area |
Agricultural and Residential | 0.05 | 0.02 |
Commercial and Industrial | 0.10 | 0.02 |
Fixture Lamp Type | Shielded |
|---|---|
Low/high pressure sodium, mercury vapor, metal halide and fluorescent over 50 watts | Fully |
Incandescent over 160 watts | Fully |
Incandescent or compact fluorescent 160 watts or less | None |
Fossil fuel | None |
Any light source of 50 watts or less | None |
NOTE: |
Incandescent includes tungsten-halogen (quartz) lamps |
GENERAL AND PERFORMANCE STANDARDS
Center Frequency (Cycles per Seconds) | Maximum Sound Pressure Level (Decibels) |
|---|---|
31.5 | 65 |
63.0 | 67 |
125.0 | 66 |
250.0 | 59 |
500.0 | 52 |
1,000.0 | 46 |
2,000.0 | 37 |
4,000.0 | 26 |
8,000.0 | 17 |
NOTES: |
Sound pressure level in decibels equals 0.0002 dynes/cm2. |
PV = 6.28 F x D |
Where: | |||
PV | = | Particle velocity, inches per second | |
F | = | Vibration frequency, cycles per second | |
D | = | Single amplitude displacement of the vibration in inches. | |
Maximum Ground-Transmitted Vibration | ||
|---|---|---|
Particle Velocity (Inches/Second) | ||
Zoning District | Adjacent Lot Line | Residential Area |
Agricultural and Residential | 0.05 | 0.02 |
Commercial and Industrial | 0.10 | 0.02 |
Fixture Lamp Type | Shielded |
|---|---|
Low/high pressure sodium, mercury vapor, metal halide and fluorescent over 50 watts | Fully |
Incandescent over 160 watts | Fully |
Incandescent or compact fluorescent 160 watts or less | None |
Fossil fuel | None |
Any light source of 50 watts or less | None |
NOTE: |
Incandescent includes tungsten-halogen (quartz) lamps |