| Daytime Noise Monitoring Results | |||||||||||||
| Station NM5 | |||||||||||||
| 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-Feb-11 | 9:00 | 9:30 | Sunny | 63 | 64 | 61 | Generator, drill rig, excavator | Aircraft noise, traffic noise | - | 13 | 0.5 | RION- NL31 (S/N 00320533) | RION - NC73 (S/N 10786708) |
| 07-Feb-11 | 14:20 | 14:50 | Sunny | 62 | 64 | 60 | Generator, drill rig | Aircraft noise, traffic noise | - | 19 | 0.8 | RION- NL31 (S/N 00320533) | RION - NC73 (S/N 10786708) |
| 17-Feb-11 | 14:30 | 15:00 | Cloudy | 62 | 63 | 61 | Generator, drill rig, others (breaker) | Traffic Noise | - | 16 | 0.5 | RION- NL31 (S/N 00320533) | RION - NC73 (S/N 10786708) |
| 23-Feb-11 | 14:40 | 15:00 | Cloudy | 60 | 61 | 59 | Generator, drill rig, excavator | Aircraft noise, traffic noise | - | 17 | 0.5 | RION- NL31 (S/N 00320533) | RION - NC73 (S/N 10786708) |
| Min. | 60 | ||||||||||||
| Max. | 63 | ||||||||||||