No person shall operate, cause to be operated or permit on public or private property any source of continuous and/or impulsive sound in such a manner as to create sound levels which exceed the limits set forth in Table II or Table III when measured at a distance of fifty feet or fifteen meters from such source.
TABLE II | |
CONTINUOUS SOUND LEVELS WHICH POSE AN IMMEDIATE THREAT TO HEALTH AND WELFARE (MEASURED AT 50 FEET OR 15 METERS) * | |
Sound Level Limit (dBA) | Duration |
90 |
24 hours |
93 |
12 hours |
96 |
6 hours |
99 |
3 hours |
102 |
1.5 hours |
105 |
45 minutes |
108 |
22 minutes |
* Use equal energy time-intensity trade-off if level varies; find energy equivalent over 24 hours. | |
TABLE III | |
IMPULSIVE SOUND LEVELS WHICH POSE AN IMMEDIATE THREAT TO HEALTH AND WELFARE (MEASURED AT 50 FEET OR 15 METERS) | |
Sound Level Limit (dB) | Number of Repetitions Per 24-hour Period |
145 |
1 |
135 |
10 |
125 |
100 |
(Ord. 82-80. Passed 8-15-82.)