| Night time Noise Monitoring Results | |||||||||||||
| Station M5a, 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 | |||||||||||
| 01/09/2014-a | 23:00 | 23:05 | Fine | 58 | 59 | 49 | No major construction workd on surface | Traffic noise at San Wan Drive | N.A | 15.5 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 |
| 01/09/2014-b | 23:05 | 23:10 | Fine | 63 | 65 | 50 | |||||||
| 01/09/2014-c | 23:10 | 23:15 | Fine | 65 | 68 | 49 | |||||||
| 09-Jan-14 | 23:00 | 23:15 | Fine | 63 | 65 | 49 | No major construction workd on surface | Traffic noise at San Wan Drive | N.A | 15.5 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 |
| Min | 58 | ||||||||||||
| Max | 65 | ||||||||||||
| Average | 62 | ||||||||||||