| Daytime Noise Monitoring Results | |||||||||||||
| Station NM3 | |||||||||||||
| 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 | |||||||||||
| 01-Dec-09 | 15:50 | 16:20 | Sunny | 74 | 76 | 72 | Excavation, breaker | Traffic noise | - | 20 | 0.4 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 07-Dec-09 | 09:35 | 10:05 | Cloudy | 74 | 76 | 72 | Excavation work | Traffic noise | - | 18 | 0.8 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 18-Dec-09 | 13:48 | 14:18 | Cloudy | 75 | 76 | 73 | Excavation work | Traffic noise | - | 12 | 1.5 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 24-Dec-09 | 14:35 | 15:05 | Sunny | 73 | 75 | 71 | - | Traffic noise | - | 24 | 0.5 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 30-Dec-09 | 14:40 | 15:10 | Cloudy | 74 | 76 | 71 | Excavation work | Traffic noise | - | 17 | 1.2 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| Min. | 73 | ||||||||||||
| Max. | 75 | ||||||||||||