Table 3.
Simulated sound level at the launch and remote operation sites
| Fireworks | Measured value (dB) | Forecasted value (dB) | Reduction by remote operations (dB) | Reaching altitude (m) | Monitoring time | ||||
|---|---|---|---|---|---|---|---|---|---|
| Detonation point | Launch site | Remote operation site | |||||||
| 20 m | 30 m | ||||||||
| Launching sounds (Size 4 type at night) | Noise Low frequency sound | 85 104 |
- - |
133 152 |
99 118 |
96 115 |
34-37 34-37 |
- | 19:35:14- |
| Detonation sounds (Size 4 type at night) | Noise Low frequency sound | 101 101 |
158 158 |
102 102 |
102 102 |
102 102 |
0 0 |
160 | 19:34:30- |
| Detonation sounds (Star mine type) | Noise Low frequency sound | 99 100 |
153 155 |
101 102 |
101 102 |
101 102 |
0 0 |
120 | 19:13- |
| Nighttime sounds (19:20-20:50) | Noise Low frequency sound | 94 96 |
151 152 |
96 98 |
96 98 |
96 98 |
0 0 |
160 | - |
| Launching sounds (Size 3 type in daytime) | Noise Low frequency sound | 82 98 |
- - |
130 146 |
96 112 |
93 109 |
34-37 34-37 |
- | 15:00:37- |
| Detonation sounds (Size 3 type in daytime) | Noise Low frequency sound | 101 95 |
156 150 |
104 97 |
103 97 |
103 97 |
1 0 |
120 | 15:00:40- |