| Daytime Noise Monitoring Results -- Normal weekday | |||||||||||||
| Station M3, Kwan Yick building(*) | |||||||||||||
| 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 | |||||||||||
| 02-Apr-13 | 14:12 | 14:42 | Cloudy | 67.1 | 68.6 | 65.8 | - | Traffic Noise | - | 21 | 0.4 | RION-NL31 (S/N 00603867) | RION-NL73 (S/N 10997142) |
| 08-Apr-13 | 13:05 | 13:35 | Cloudy | 67.4 | 68.8 | 66.0 | - | Traffic Noise | - | 18 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 19-Apr-13 | 09:20 | 09:50 | Cloudy | 67.1 | 68.5 | 65.7 | - | Traffic Noise | - | 23 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 25-Apr-13 | 09:05 | 09:35 | Cloudy | 67.2 | 68.8 | 66.0 | Lifting and Excavation | Traffic Noise | - | 25 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 30-Apr-13 | 09:00 | 09:30 | Fine | 67.5 | 68.9 | 66.1 | - | Traffic Noise | - | 25 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| Min. | 67.1 | ||||||||||||
| Max. | 67.5 | ||||||||||||
| Remark: (*): The data were provided by Contract No. DC/2007/23. Calibration certificates for the noise meter(s) | |||||||||||||
| and calibrator(s) used were included in the corresponding Monthly EM&A Report for this Contract | |||||||||||||