| Restricted Hours Noise Monitoring Results -- Daytime on Public Holiday | |||||||||||||
| Station M3, Kwan Yick building | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 5 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 | |||||||||||
| 13-May-12 | 11:24 | 11:39 | Fine | 65 | 67 | 63 | No outdoor construction noise | Mainly traffic noise | - | 27.0 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 20-May-12 | 11:33 | 11:48 | Cloudy | 66 | 67 | 64 | No outdoor construction noise | Mainly traffic noise | - | 27.0 | <5 | B&K 2238 S/N: 2684502 | B&K 4231 S/N: 2656516 |
| 27-May-12 | 09:52 | 10:07 | Sunny | 65 | 67 | 63 | No outdoor construction noise | Mainly traffic noise | - | 26.0 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| Min. | 65 | ||||||||||||
| Max. | 66 | ||||||||||||
| Remark: The data (13 and 27 May ) was 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 | |||||||||||||
| Restricted Hours Noise Monitoring Results -- Evening time | |||||||||||||
| Station M3, Kwan Yick building | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 5 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 | |||||||||||
| 03-May-12 | 22:45 | 23:00 | Fine | 66 | 67 | 63 | No outdoor construction noise | Road traffic noise from Western Harbour Crossing, engine of turbojet | - | 29.0 | <5 | B&K 2238 S/N : 2684502 | B&K 4231 S/N: 2656516 |
| 08-May-12 | 20:52 | 21:07 | Fine | 64 | 66 | 62 | No outdoor construction noise | Mainly traffic noise | - | 28.0 | 0.2 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 22-May-12 | 19:36 | 19:51 | Fine | 66 | 68 | 65 | No outdoor construction noise | Mainly traffic noise | - | 25.0 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 30-May-12 | 22:45 | 23:00 | Fine | 66 | 67 | 64 | No outdoor construction noise | Road traffic noise from Western Harbour Crossing, engine of turbojet | - | 26.7 | <5 | B&K 2238 S/N : 2684502 | B&K 4231 S/N: 2656516 |
| Min. | 64 | ||||||||||||
| Max. | 66 | ||||||||||||
| [1] The data (M3_Evening Time) of 8 and 22 May 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 | |||||||||||||