| 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 | |||||||||||
| 15-Apr-11 | 19:06 | 19:11 | Fine | 64 | 64 | 63 | excvation in process | other construction site nearby; traffic noise from nearby pier | - | 24.4 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:11 | 19:16 | 64 | 64 | 64 | |||||||||
| 19:16 | 19:21 | 64 | 64 | 63 | |||||||||
| 21-Apr-11 | 21:57 | 22:02 | Fine | 61 | 61 | 60 | excvation in process | other construction site nearby; traffic noise from nearby pier | - | 23.1 | <5 m/s | B&K 2270 | B&K 4231 |
| 22:02 | 22:07 | 60 | 61 | 60 | |||||||||
| 22:07 | 22:12 | 60 | 61 | 60 | |||||||||
| 26-Apr-11 | 19:04 | 19:09 | Fine | 63 | 65 | 61 | excvation in process | other construction site nearby; traffic noise from nearby pier | - | 24.2 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:09 | 19:14 | 63 | 65 | 61 | |||||||||
| 19:14 | 19:19 | 63 | 65 | 62 | |||||||||
| Min. | 60 | ||||||||||||
| Max. | 64 | ||||||||||||
| + - Façade measurement | |||||||||||||