| Restricted Hours Noise Monitoring Results [1] | |||||||||||||
| Station NM1 | |||||||||||||
| 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 | |||||||||||
| 04-Mar-11 | 23:03 | 23:08 | Cloudy | 61 | 63 | 58 | - | Mainly traffic noise | - | 0.4 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) | |
| 23:08 | 23:13 | Cloudy | 61 | 63 | 59 | - | |||||||
| 23:13 | 23:18 | Cloudy | 61 | 63 | 58 | - | |||||||
| 23:03 | 23:18 | Cloudy | 61 | 63 | 58 | - | |||||||
| 13-Mar-11 | 10:05 | 10:10 | Sunny | 69 | 72 | 65 | - | Mainly traffic noise | - | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) | |
| 10:10 | 10:15 | Sunny | 69 | 72 | 65 | - | |||||||
| 10:15 | 10:20 | Sunny | 69 | 72 | 65 | - | |||||||
| 10:05 | 10:20 | Sunny | 69 | 72 | 65 | - | |||||||
| 18-Mar-11 | 23:00 | 23:05 | Cloudy | 60 | 61 | 56 | - | Mainly traffic noise | - | 0.3 | RION- NL31 (S/N 00410224) | RION - NC73 (S/N 10997142) | |
| 23:05 | 23:10 | Cloudy | 60 | 61 | 56 | - | |||||||
| 23:10 | 23:15 | Cloudy | 59 | 61 | 56 | - | |||||||
| 23:00 | 23:15 | Cloudy | 60 | 61 | 56 | - | |||||||
| 27-Mar-11 | 11:00 | 11:05 | Fine | 55 | 62 | 60 | - | Mainly traffic noise | - | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) | |
| 11:05 | 11:10 | Fine | 57 | 62 | 60 | - | |||||||
| 11:10 | 11:15 | Fine | 56 | 62 | 59 | - | |||||||
| 11:00 | 11:15 | FIne | 56 | 62 | 60 | - | |||||||
| Min. | 55 | ||||||||||||
| Max. | 69 | ||||||||||||
| [1] No class was held at the school during the measurement period on 4, 13 and 18 March 2011. | |||||||||||||