| Daytime Noise Monitoring Results | |||||||||||||
| Station NM4 | |||||||||||||
| 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 | 08:20 | 08:50 | Cloudy | 69 | 71 | 68 | Mobile cranes, excavator work | Traffic Noise, helicopter passby at 10:26 | - | 27 | 1.0 | RION- NL31 (S/N 00410224) | RION - NC73 (S/N 10786708) |
| 12-May-10 | 14:25 | 14:55 | Sunny | 69 | 70 | 67 | Mobile cranes, excavator work | Traffic Noise | - | 25 | 1.0 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 18-May-10 | 08:20 | 08:50 | Fine | 69 | 70 | 67 | Mobile cranes | Traffic Noise | - | 28 | 0.5 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 24-May-10 | 09:25 | 09:55 | Sunny | 69 | 70 | 67 | Mobile cranes, excavator work | Traffic Noise | - | 25 | 0.5 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| Min. | 69 | ||||||||||||
| Max. | 69 | ||||||||||||