(a) In the I-G General Industrial Park District, at no point on or beyond the boundary of the zoning district shall the sound pressure level resulting from any use, operation, or activity exceed the maximum permitted sound levels as set forth in Tables ID and IID.
Table ID: Preferred Frequencies | |
Center Frequency Cycles Per Second | Maximum Permitted Sound Pressure Level, Decibels
|
Table ID: Preferred Frequencies | |
Center Frequency Cycles Per Second | Maximum Permitted Sound Pressure Level, Decibels
|
31.5 | 90 |
63 | 81 |
125 | 71 |
250 | 66 |
500 | 61 |
2000 | 52 |
4000 | 50 |
8000 | 47 |
Table IID: Pre-1960 Octave Bands | |
Octave Band, Cycles Per Second | Maximum Permitted Sound Pressure Level, Decibels
|
Table IID: Pre-1960 Octave Bands | |
Octave Band, Cycles Per Second | Maximum Permitted Sound Pressure Level, Decibels
|
20 - 75 | 83 |
75 - 150 | 74 |
150 - 300 | 67 |
300 - 600 | 62 |
600 - 1200 | 57 |
1200 - 2400 | 53 |
2400 - 4800 | 51 |
4800 - 10KC | 48 |
(b) Between the hours of 9:00 p.m. and 7:00 a.m., the sound levels shall not exceed the maximum permitted sound pressure levels prescribed for the I-P Industrial Park and PUD-1 Industrial Planned Unit Development Districts in Section 1264.05.
(Ord. 16-2003. Passed 5-1-03.)