| 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 | |||||||||||
| 05-Sep-11 | 19:08 | 19:13 | Fine | 63 | 63 | 62 | excavation in process | traffic noise from nearby pier | - | 29.2 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:13 | 19:18 | 63 | 63 | 62 | |||||||||
| 19:18 | 19:23 | 63 | 64 | 63 | |||||||||
| 17-Sep-11 | 20:03 | 20:08 | Fine | 61 | 61 | 60 | excavation in process | traffic noise from nearby pier | - | 29.4 | <5 m/s | B&K 2250L | B&K 4231 |
| 20:08 | 20:13 | 61 | 61 | 60 | |||||||||
| 20:13 | 20:18 | 61 | 61 | 60 | |||||||||
| 23-Sep-11 | 19:01 | 19:06 | Fine | 61 | 61 | 60 | excavation in process | traffic noise from nearby pier | - | 25.6 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:06 | 19:11 | 61 | 62 | 61 | |||||||||
| 19:11 | 19:16 | 61 | 62 | 61 | |||||||||
| 30-Sep-11 | 19:01 | 19:06 | Fine | 61 | 62 | 61 | excavation in process; crane in operation | traffic noise from nearby pier | - | 27.7 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:06 | 19:11 | 61 | 62 | 61 | |||||||||
| 19:11 | 19:16 | 61 | 62 | 61 | |||||||||
| Min. | 61 | ||||||||||||
| Max. | 63 | ||||||||||||
| + - Façade measurement | |||||||||||||