| Daytime Noise Monitoring Results -- Normal weekday | ||||||||||||||
| Station M6a, Aegean Terrace | ||||||||||||||
| 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-Aug-13 | 14:01 | 14:31 | Sunny | 56.9 | 59.7 | 52.8 | Tunnel works and operation of concrete pump | N.A | Free-field measurement, +3dB correction. | 30 | <5 | B&K 2238 S/N : 2381580 | B&K 4231 S/N: 3004068 | |
| 12-Aug-13 | 13:42 | 14:12 | Sunny | 56.0 | 57.2 | 52.4 | Tunnel works and operation of concrete pump | N.A | Free-field measurement, +3dB correction. | 31 | <5 | B&K 2238 S/N : 2381580 | B&K 4231 S/N: 3004068 | |
| 22-Aug-13 | 13:44 | 14:14 | Fine | 57.1 | 57.9 | 54.1 | Tunnel works and operation of concrete pump | N.A | Free-field measurement, +3dB correction. | 29 | <5 | B&K 2238 S/N : 2381580 | B&K 4231 S/N: 3004068 | |
| 28-Aug-13 | 10:41 | 11:11 | Sunny | 65.7 | 68.3 | 59.5 | Tunnel works and operation of concrete pump | N.A | Free-field measurement, +3dB correction. | 30 | <5 | B&K 2238 S/N : 2381580 | B&K 4231 S/N: 3004068 | |
| Min. | 56.0 | |||||||||||||
| Max. | 66.0 | |||||||||||||
| Remark: Free-field measurement, +3dB correction. | ||||||||||||||