| Daytime Noise Monitoring Results | |||||||||||||
| Station NM2 | |||||||||||||
| 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 | 10:30 | 11:00 | Sunny | 75 | 76 | 73 | Crane operation, excavation work | Traffic noise | - | 20 | 0.5 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 07-Dec-09 | 11:15 | 11:45 | Cloudy | 74 | 76 | 74 | Crane operation, excavation work | Traffic noise | - | 18 | 1.5 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 18-Dec-09 | 08:45 | 09:15 | Cloudy | 75 | 77 | 73 | Breaker, excavation work, crane operation | Traffic noise | - | 12 | 1.5 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 24-Dec-09 | 13:10 | 13:40 | Sunny | 72 | 73 | 71 | Crane operation | Traffic noise | - | 24 | 0.8 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| 30-Dec-09 | 08:40 | 09:10 | Cloudy | 74 | 76 | 73 | Mini piling, excavation, crane operation | Traffic noise | - | 17 | 0.9 | RION-NA27 (00201194) | RION-NC73 (10786708) |
| Min. | 72 | ||||||||||||
| Max. | 75 | ||||||||||||