| Evening time Noise Monitoring Results | |||||||||||||
| Station M8, Wah Lai House | |||||||||||||
| 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 | |||||||||||
| 02/01/2014-a | 22:45 | 22:50 | Fine | 59 | 63 | 54 | Tunnel works | Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House | Major noise source -- road traffic noise. | 17 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 |
| 02/1/2014-b | 22:50 | 22:55 | Fine | 58 | 62 | 53 | 17 | <5 | |||||
| 02/01/2014-c | 22:55 | 23:00 | Fine | 61 | 63 | 52 | 17 | <5 | |||||
| 02-Jan-14 | 22:45 | 23:00 | Fine | 62 | 66 | 56 | Tunnel works | 17 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 | ||
| 28/01/2014-a | 22:45 | 22:50 | Fine | 58 | 61 | 53 | Tunnel works | 17 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 | ||
| 28/1/2014-b | 22:50 | 22:55 | Fine | 59 | 63 | 53 | 17 | <5 | |||||
| 28/01/2014-c | 22:55 | 23:00 | Fine | 58 | 61 | 53 | 17 | <5 | |||||
| 28-Jan-14 | 22:45 | 23:00 | Fine | 62 | 64 | 56 | Tunnel works | 17 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 3004068 | ||
| Min | 58 | ||||||||||||
| Max | 62 | ||||||||||||
| Average | 60 | ||||||||||||