| 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 | |||||||||||
| 06-Sep-11 | 13:28 | 13:58 | Fine | 68 | 69 | 66 | No outdoor construction | Traffic Noise | - | 32 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 12-Sep-11 | 09:25 | 09:55 | Sunny | 70 | 71 | 68 | Excavation work | Traffic Noise | - | 30 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 23-Sep-11 | 14:30 | 15:00 | Sunny | 69 | 70 | 67 | No outdoor construction | Traffic Noise | - | 27 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 30-Sep-11 | 10:25 | 10:55 | Cloudy | 69 | 70 | 66 | Excavation and lifting | Traffic Noise | - | 28 | 0.8 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| Min. | 68 | ||||||||||||
| Max. | 70 | ||||||||||||
| 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 | |||||||||||||