| Restricted Hours Noise Monitoring Results -- Evening time | |||||||||||||
| Station M5a, Chu Lam Ming Tong | |||||||||||||
| 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 | |||||||||||
| 06-Jun-13 | 22:45 | 23:00 | Fine | 61.1 | 61.5 | 51.7 | Works in tunnel | Road traffic at San Wan Drive | According to contractor, general construction works was in process accordance to CNP. | 27.1 | <5 | B&K 2238 S/N : 2381580 | B&K 4231 S/N: 3003246 |
| Min. | 61.1 | ||||||||||||
| Max. | 61.1 | ||||||||||||