| Daytime Noise Monitoring Results -- Normal weekday | |||||||||||||
| Station M8, Wah Lai House | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 30 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 | |||||||||||
| 05-Mar-12 | 15:00 | 15:30 | Fine | 64 | 66 | 62 | Preparing blasting material | Road Traffic noise from Shek Pai Wan Road | N.A | 21.4 | <5 | B&K 2238 S/N : 2684502 | B&K 4231 S/N: 2656516 |
| 15-Mar-12 | 10:05 | 10:35 | Fine | 66 | 68 | 63 | Operation of cran and excavator, loading of skip | Road Traffic noise from Shek Pai Wan Road | N.A | 17.4 | <5 | B&K 2238 S/N : 2684502 | B&K 4231 S/N: 2656516 |
| 19-Mar-12 | 09:34 | 10:04 | Fine | 66 | 67 | 64 | Works in tunnel | Road Traffic noise from Shek Pai Wan Road | N.A | 20.9 | <5 | B&K 2238 S/N : 2684502 | B&K 4231 S/N: 2656516 |
| 27-Mar-12 | 09:55 | 10:25 | Sunny | 66 | 68 | 64 | Works in tunnel | Road Traffic noise from Shek Pai Wan Road | N.A | 20.5 | <5 | B&K 2238 S/N : 2684502 | B&K 4231 S/N: 2656516 |
| Min. | 64 | ||||||||||||
| Max. | 66 | ||||||||||||