| 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 | |||||||||||
| 05-Jan-12 | 09:20 | 09:50 | Cloudy | 69 | 71 | 68 | Breaker noise | Traffic Noise | - | 17.0 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 11-Jan-12 | 14:20 | 14:50 | Cloudy | 68 | 69 | 66 | No outdoor construction | Traffic Noise | - | 17.0 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 17-Jan-12 | 10:25 | 10:55 | Sunny | 68 | 69 | 66 | Excavation, Lifting | Traffic Noise | - | 17.0 | 0.2 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 27-Jan-12 | 13:22 | 13:52 | Fine | 67 | 69 | 65 | - | Traffic Noise | - | 17.0 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| Min. | 67 | ||||||||||||
| Max. | 69 | 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 | |||||||||||