| Evening time Noise Monitoring Results | |||||||||||||
| Station M5, Chuk Lam Ming Tong(near entrance) | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)) | 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 | |||||||||||
| 26/02/2014-a | 22:45 | 22:50 | Fine | 60 | 62 | 50 | Works in tunnel | Road traffic at San Wan Drive | According to contractor, general construction works was in process accordance to CNP. | 20.2 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 |
| 26/02/2014-b | 22:50 | 22:55 | Fine | 52 | 53 | 51 | 20.2 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 | |||
| 26/02/2014-c | 22:55 | 23:00 | Fine | 62 | 64 | 49 | 20.2 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 | |||
| 26-Feb-14 | 22:45 | 23:00 | Fine | 60 | 61 | 50 | Works in tunnel | Road traffic at San Wan Drive | 20.2 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 | |
| Max | 62 | ||||||||||||
| Min | 52 | ||||||||||||