| 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 | |||||||||||
| 02-Jan-11 | 15:44 | 15:49 | Cloudy | 68 | 69 | 67 | Noise from nearby playgroud | Traffic noise | - | 15 | 0.6 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 15:49 | 15:54 | Cloudy | 71 | 71 | 70 | - | |||||||
| 15:54 | 15:59 | Cloudy | 63 | 63 | 63 | - | |||||||
| 15:44 | 15:59 | Cloudy | 68 | 69 | 67 | Average results during 15 min monitoring | |||||||
| 07-Jan-11 | 23:00 | 23:05 | Fine | 64 | 65 | 57 | - | Mainly traffic noise | - | 11 | 0.8 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 23:05 | 23:10 | Fine | 62 | 64 | 57 | - | |||||||
| 23:10 | 23:15 | Fine | 64 | 65 | 56 | - | |||||||
| 23:00 | 23:15 | Fine | 63 | 65 | 57 | Average results during 15 min monitoring | |||||||
| 16-Jan-11 | 11:35 | 11:40 | Sunny | 67 | 69 | 61 | Noise from nearby playgroud | Traffic noise | - | 11 | 1.6 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 11:40 | 11:45 | Sunny | 65 | 68 | 61 | - | |||||||
| 11:45 | 11:50 | Sunny | 67 | 69 | 61 | - | |||||||
| 11:35 | 11:50 | Sunny | 67 | 69 | 61 | Average results during 15 min monitoring | |||||||
| 21-Jan-11 | 23:00 | 23:05 | Fine | 63 | 64 | 58 | - | Mainly traffic noise | - | 14 | 0.5 | RION- NL31 (S/N 00410224) | RION - NC73 (S/N 10997142) |
| 23:05 | 23:10 | Fine | 62 | 64 | 59 | - | |||||||
| 23:10 | 23:15 | Fine | 60 | 62 | 57 | - | |||||||
| 23:00 | 23:15 | Fine | 62 | 63 | 58 | Average results during 15 min monitoring | |||||||
| 30-Jan-11 | 11:35 | 11:40 | Sunny | 67 | 69 | 61 | - | Traffic noise, passer-by and nearby playground | - | 12 | 0.5 | RION- NL31 (S/N 00410224) | RION - NC73 (S/N 10997142) |
| 11:40 | 11:45 | Sunny | 66 | 69 | 61 | - | |||||||
| 11:45 | 11:50 | Sunny | 67 | 68 | 62 | - | |||||||
| 11:35 | 11:50 | Sunny | 67 | 69 | 61 | Average results during 15 min monitoring | |||||||
| Min. | 60 | ||||||||||||
| Max. | 71 | ||||||||||||
| [1] No class was held at the school during the measurement period on 2, 7, 16, 21 and 30 January 2011. | |||||||||||||