| 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 | |||||||||||
| 01-Dec-11 | 10:28 | 10:58 | Fine | 67 | 69 | 66 | Excavation | Traffic Noise | - | 20 | 0.6 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 07-Dec-11 | 09:20 | 09:50 | Fine | 68 | 70 | 67 | Excavator, Lifting | Traffic Noise | - | 18 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 13-Dec-11 | 14:45 | 15:15 | Sunny | 68 | 69 | 67 | No outdoor construction | Traffic Noise | - | 20 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 19-Dec-11 | 10:28 | 10:58 | Sunny | 70 | 71 | 68 | - | Traffic Noise | - | 18 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 30-Dec-11 | 14:15 | 14:45 | Sunny | 69 | 70 | 67 | Excavation | Traffic Noise | - | 18 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| Min. | 67 | ||||||||||||
| 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 | |||||||||||