| 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 | |||||||||||
| 04-Jan-10 | 19:01 | 19:06 | Fine | 61 | 62 | 59 | concreting in process | traffic noise from nearby piers | - | 18.3 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:06 | 19:11 | Fine | 61 | 63 | 60 | - | |||||||
| 19:11 | 19:16 | Fine | 66 | 67 | 59 | - | |||||||
| 13-Jan-10 | 19:01 | 19:06 | Fine | 64 | 65 | 64 | excavation in process | traffic noise from nearby piers | - | 13.3 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:06 | 19:11 | Fine | 64 | 65 | 64 | - | |||||||
| 19:11 | 19:16 | Fine | 64 | 65 | 64 | - | |||||||
| 19-Jan-10 | 19:01 | 19:06 | Fine | 64 | 64 | 63 | excavation in process | traffic noise from nearby piers | - | 18.7 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:06 | 19:11 | Fine | 64 | 65 | 63 | - | |||||||
| 19:11 | 19:16 | Fine | 64 | 65 | 64 | - | |||||||
| 25-Jan-10 | 19:06 | 19:11 | Fine | 66 | 67 | 65 | construction works in process | traffic noise from nearby piers | - | 17.8 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:11 | 19:16 | Fine | 66 | 67 | 65 | - | |||||||
| 19:16 | 19:21 | Fine | 66 | 67 | 65 | - | |||||||
| Min. | 61 | ||||||||||||
| Max. | 66 | ||||||||||||