| Restricted Hours Noise Monitoring Results -- Night time | |||||||||||||
| Station M3, Kwan Yick Building | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 15 min | Major Construction Noise Source(s) Observed | Other Noise Source(s) Observed | Remarks | Temp. (°C) | Wind Speed (m/s) | Noise Meter Model / ID | Calibrator Model / ID | ||
| Leq | L10 | L90 | |||||||||||
| 13-Dec-12 | 23:00 | 23:15 | Cloudy | 67.4 | 68.5 | 64.8 | No outdoor construction noise | Mainly traffic noise | - | 18.9 | <5 | B&K 2238 S/N: 2385180 | B&K 4231 S/N: 3003246 |
| Min. | 67.4 | ||||||||||||
| Max. | 67.4 | ||||||||||||