| Restricted Hours Noise Monitoring Results (Evening Time) | |||||||||||||
| Station NM6 Customs' Marine Base (Block H of Government Dockyard) Rooftop | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 5 min+ | Major Construction Noise Source(s) Observed | Other Noise Source(s) Observed | Remarks | Mean Temp. (°C) | Mean Wind Speed (m/s) | Noise Meter Model / ID | Calibrator Model / ID | ||
| Leq | L10 | L90 | |||||||||||
| 08-Feb-11 | 22:02 | 22:07 | Fine | 63 | 64 | 63 | excavation in process | other construction site nearby; traffic noise from nearby pier | - | 19.6 | <5 m/s | B&K 2250L | B&K 4231 |
| 22:07 | 22:12 | 63 | 63 | 63 | |||||||||
| 22:12 | 22:17 | 63 | 63 | 63 | |||||||||
| 14-Feb-11 | 19:38 | 19:43 | Fine | 63 | 64 | 63 | excavation in process | other construction site nearby; traffic noise from nearby pier | - | 10.6 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:43 | 19:48 | 63 | 64 | 62 | |||||||||
| 19:48 | 19:53 | 64 | 65 | 63 | |||||||||
| 26-Feb-11 | 20:49 | 20:54 | Fine | 63 | 64 | 62 | excavation in process | other construction site nearby; traffic noise from nearby pier | - | 18.6 | <5 m/s | B&K 2250L | B&K 4231 |
| 20:54 | 20:59 | 64 | 66 | 63 | |||||||||
| 20:59 | 21:04 | 63 | 63 | 62 | |||||||||
| Min. | 63 | ||||||||||||
| Max. | 64 | ||||||||||||
| + - Façade measurement | |||||||||||||