Performance Standards
Frequency Range (cycles/second) | Table A Sound Level (decibels) | Table B Sound Level (decibels) |
|---|---|---|
0 to 74 | 72 | 79 |
75 to 149 | 67 | 74 |
150 to 299 | 59 | 66 |
300 to 599 | 52 | 59 |
600 to 1,199 | 46 | 53 |
1,200 to 2,399 | 40 | 47 |
2,400 to 4,799 | 34 | 41 |
4,800 and above | 32 | 39 |
Table A shall apply to any sound measured at any point in a residential district; any nighttime sound occurring between 10:00 p.m. and 6:00 a.m.; any sound of impulsive character, e.g., hammering; or any sound of periodic character, e.g., hum or screech. |
Table B shall apply to all other sounds generated by a business or industrial use as measured at the zoning district boundaries. |
Performance Standards
Frequency Range (cycles/second) | Table A Sound Level (decibels) | Table B Sound Level (decibels) |
|---|---|---|
0 to 74 | 72 | 79 |
75 to 149 | 67 | 74 |
150 to 299 | 59 | 66 |
300 to 599 | 52 | 59 |
600 to 1,199 | 46 | 53 |
1,200 to 2,399 | 40 | 47 |
2,400 to 4,799 | 34 | 41 |
4,800 and above | 32 | 39 |
Table A shall apply to any sound measured at any point in a residential district; any nighttime sound occurring between 10:00 p.m. and 6:00 a.m.; any sound of impulsive character, e.g., hammering; or any sound of periodic character, e.g., hum or screech. |
Table B shall apply to all other sounds generated by a business or industrial use as measured at the zoning district boundaries. |