| 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-11 | 14:28 | 14:58 | Fine | 73 | 73.6 | 71.7 | Lifting, Steel bending (Near site) | Traffic noise | - | 20 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 07-Dec-11 | 13:30 | 14:00 | Fine | 74 | 75.3 | 72.7 | Lifting, Steel bending (Near site) | Traffic noise | - | 18 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 13-Dec-11 | 10:50 | 11:20 | Sunny | 74 | 75.0 | 72.6 | Lifting, Steel bending (Near site) | Traffic noise | - | 20 | 0.5 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 19-Dec-11 | 14:30 | 15:00 | Sunny | 74 | 75.4 | 73.2 | Lifting, Steel bending (Near site) | Traffic noise | - | 18 | 0.2 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| 30-Dec-11 | 10:20 | 10:50 | Sunny | 74 | 75.5 | 73.2 | Breaker, Steel bending, Lifting (Near Site) | Traffic noise | - | 18 | 0.3 | RION- NL31 (S/N 00603867) | RION - NC73 (S/N 10997142) |
| Min. | 73 | ||||||||||||
| Max. | 74 | ||||||||||||