| Restricted Hours Noise Monitoring Results [1] | |||||||||||||
| Station NM2 | |||||||||||||
| 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 | |||||||||||
| 01-Apr-11 | 23:00 | 23:05 | FIne | 71 | 72 | 70 | No outdoor construction activity observed. | Mainly traffic noise | - | 21 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 23:05 | 23:10 | FIne | 71 | 72 | 70 | - | |||||||
| 23:10 | 23:15 | FIne | 71 | 72 | 70 | - | |||||||
| 23:00 | 23:15 | FIne | 71 | 72 | 70 | - | |||||||
| 10-Apr-11 | 11:35 | 11:40 | Sunny | 71 | 73 | 70 | No outdoor construction activity observed. | Mainly traffic noise | - | 24 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 11:40 | 11:45 | Sunny | 72 | 73 | 70 | - | |||||||
| 11:45 | 11:50 | Sunny | 71 | 72 | 70 | - | |||||||
| 11:35 | 11:50 | Sunny | 71 | 73 | 70 | - | |||||||
| 16-Apr-11 | 06:30 | 06:35 | Fine | 69 | 70 | 67 | No outdoor construction noise | Mainly traffic noise | - | 24 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 06:35 | 06:40 | Fine | 71 | 72 | 69 | - | |||||||
| 06:40 | 06:45 | Fine | 70 | 71 | 69 | - | |||||||
| 06:30 | 06:45 | Fine | 70 | 71 | 68 | - | |||||||
| 24-Apr-11 | 11:30 | 11:35 | Sunny | 71 | 73 | 70 | No outdoor construction noise | Mainly traffic noise | - | 23 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 11:35 | 11:40 | Sunny | 72 | 73 | 73 | - | |||||||
| 11:40 | 11:45 | Sunny | 71 | 73 | 70 | - | |||||||
| 11:30 | 11:45 | Sunny | 71 | 73 | 70 | - | |||||||
| 30-Apr-11 | 06:34 | 06:39 | Fine | 70 | 71 | 68 | No outdoor construction noise | Mainly traffic noise | - | 25 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 06:39 | 06:44 | Fine | 70 | 71 | 68 | - | |||||||
| 06:44 | 06:49 | Fine | 71 | 72 | 69 | - | |||||||
| 06:34 | 06:49 | Fine | 70 | 71 | 68 | - | |||||||
| Min. | 69 | ||||||||||||
| Max. | 72 | ||||||||||||
| [1] The monitoring data on 16 and 30 April morning are for the restricted hour of previous day (15 and 19 April respectively) | |||||||||||||