| 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 | |||||||||||
| 06-May-10 | 15:00 | 15:30 | Cloudy | 73 | 74 | 72 | Excavator work, mobile cranes were working and concreting work | Breaker noise (near site), Traffic noise | - | 26 | 1.2 | RION- NL31 (S/N 00410224) | RION - NC73 (S/N 10786708) |
| 12-May-10 | 10:30 | 11:00 | Cloudy | 74 | 75 | 73 | Breaker, mobile crane and excavator were working. Concreting work. | Traffic noise | - | 25 | 0.8 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 18-May-10 | 13:10 | 13:40 | Fine | 74 | 76 | 73 | Excavator work, mobile cranes were working | Traffic noise | - | 28 | 0.8 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 24-May-10 | 11:02 | 11:32 | Sunny | 73 | 74 | 72 | Excavator work, mobile cranes were working | Traffic noise | - | 25 | 0.5 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| Min. | 73 | ||||||||||||
| Max. | 74 | ||||||||||||