| 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-Oct-11 | 19:06 | 19:11 | Fine | 62 | 62 | 61 | excavation in process | traffic noise from nearby pier | - | 23.8 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:11 | 19:16 | 62 | 63 | 62 | |||||||||
| 19:16 | 19:21 | 62 | 62 | 62 | |||||||||
| 13-Oct-11 | 21:10 | 21:15 | Fine | 62 | 62 | 61 | excavation in process | traffic noise from nearby pier | - | 24.8 | <5 m/s | B&K 2238 | B&K 4231 |
| 21:15 | 21:20 | 62 | 62 | 61 | |||||||||
| 21:20 | 21:25 | 62 | 62 | 61 | |||||||||
| 17-Oct-11 | 19:03 | 19:08 | Fine | 64 | 65 | 63 | excavation in process; crane in operation | traffic noise from nearby pier | - | 25.3 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:08 | 19:13 | 64 | 65 | 63 | |||||||||
| 19:13 | 19:18 | 64 | 65 | 63 | |||||||||
| 29-Oct-11 | 19:11 | 19:16 | Fine | 63 | 64 | 63 | excavation in process; crane in operation | traffic noise from nearby pier | - | 24.1 | <5 m/s | B&K 2270 | B&K 4231 |
| 19:16 | 19:21 | 63 | 64 | 63 | |||||||||
| 19:21 | 19:26 | 63 | 64 | 63 | |||||||||
| Min. | 62 | ||||||||||||
| Max. | 64 | ||||||||||||
| + - Façade measurement | |||||||||||||