OCTAVE BAND | MAXIMUM PERMITTED SOUND LEVEL (DECIBELS) | |
Frequency Cycles Per Second | Along Residence District Boundaries | Along Business District Boundaries |
OCTAVE BAND | MAXIMUM PERMITTED SOUND LEVEL (DECIBELS) | |
Frequency Cycles Per Second | Along Residence District Boundaries | Along Business District Boundaries |
0 to 75 | 72 | 75 |
75 to 150 | 67 | 70 |
150 to 300 | 59 | 63 |
300 to 600 | 52 | 57 |
600 to 1,200 | 46 | 52 |
1,200 to 2,400 | 40 | 45 |
2,400 to 4,800 | 34 | 40 |
above 4,800 | 32 | 38 |
D= | K | D=displacement in inches. |
f | K=a constant to be determined by reference to the following tables. | |
f=the frequency of the vibration transmitted through the ground expressed in cycles per second. |
Table 1: Values of K to be used in Vibration Formula | |
Location: | |
In any neighboring lot - | K |
Steady state | 0.008 |
Impulsive | 0.015 |
Less than 8 pulses per 24-hour period | 0.037 |
In any residence district - | |
Steady state | 0.003 |
Impulsive | 0.006 |
Less than 8 pulses per 24-hour period | 0.015 |
OCTAVE BAND | MAXIMUM PERMITTED SOUND LEVEL (DECIBELS) | |
Frequency Cycles Per Second | Along Residence District Boundaries | Along Business District Boundaries |
OCTAVE BAND | MAXIMUM PERMITTED SOUND LEVEL (DECIBELS) | |
Frequency Cycles Per Second | Along Residence District Boundaries | Along Business District Boundaries |
0 to 75 | 72 | 75 |
75 to 150 | 67 | 70 |
150 to 300 | 59 | 63 |
300 to 600 | 52 | 57 |
600 to 1,200 | 46 | 52 |
1,200 to 2,400 | 40 | 45 |
2,400 to 4,800 | 34 | 40 |
above 4,800 | 32 | 38 |
D= | K | D=displacement in inches. |
f | K=a constant to be determined by reference to the following tables. | |
f=the frequency of the vibration transmitted through the ground expressed in cycles per second. |
Table 1: Values of K to be used in Vibration Formula | |
Location: | |
In any neighboring lot - | K |
Steady state | 0.008 |
Impulsive | 0.015 |
Less than 8 pulses per 24-hour period | 0.037 |
In any residence district - | |
Steady state | 0.003 |
Impulsive | 0.006 |
Less than 8 pulses per 24-hour period | 0.015 |