| Restricted Hours Noise Monitoring Results -- Evening time | |||||||||||||
| Station M8a, Wai Lai House | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 5 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 | |||||||||||
| 24-Apr-13 | 22:45 | 23:00 | Fine | 57.8 | 60.7 | 52.7 | Tunnel works | Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House | Major noise source -- road traffic noise. | 25 | <5 | B&K 2238 S/N : 2800932 | B&K 4231 S/N: 3004068 |
| Min. | 57.8 | ||||||||||||
| Max. | 57.8 | ||||||||||||