| Restricted Hours Noise Monitoring Results - Evening time | |||||||||||||
| Station M7a, | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 5 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 | |||||||||||
| 24-Nov-10 | 19:00 | 19:15 | Fine | 55 | 56 | 53 | Operation hand held breaker | N.A | 0 | 20.9 | <5 | B&K 2238 S/N : 2684503 | B&K 4231 S/N: 2385180 |
| Min. | 55 | ||||||||||||
| Max. | 55 | ||||||||||||