| 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-Nov-11 | 19:47 | 19:52 | Sunny | 62 | 63 | 62 | excavation in process | traffic noise from nearby pier | - | 26.4 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:52 | 19:57 | 63 | 63 | 62 | |||||||||
| 19:57 | 20:02 | 63 | 65 | 62 | |||||||||
| 10-Nov-11 | 21:11 | 21:16 | Sunny | 64 | 64 | 63 | excavation in process | traffic noise from nearby pier | - | 19.4 | <5 m/s | B&K 2250L | B&K 4231 |
| 21:16 | 21:21 | 64 | 65 | 64 | |||||||||
| 21:21 | 21:26 | 64 | 65 | 64 | |||||||||
| 16-Nov-11 | 19:59 | 20:04 | Fine | 65 | 65 | 64 | excavation in process | traffic noise from nearby pier | - | 23.4 | <5 m/s | B&K 2270 | B&K 4231 |
| 20:04 | 20:09 | 65 | 65 | 64 | |||||||||
| 20:09 | 20:14 | 65 | 65 | 64 | |||||||||
| 22-Nov-11 | 19:48 | 19:53 | Fine | 64 | 64 | 63 | excavation in process; crane in operation | traffic noise from nearby pier | - | 22.0 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:53 | 19:58 | 64 | 66 | 63 | |||||||||
| 19:58 | 20:03 | 63 | 64 | 63 | |||||||||
| 28-Nov-11 | 19:01 | 19:06 | Fine | 65 | 65 | 64 | excavation in process; crane in operation | traffic noise from nearby pier | - | 21.9 | <5 m/s | B&K 2250L | B&K 4231 |
| 19:06 | 19:11 | 65 | 65 | 64 | |||||||||
| 19:11 | 19:16 | 65 | 65 | 64 | |||||||||
| Min. | 62 | ||||||||||||
| Max. | 65 | ||||||||||||
| + - Façade measurement | |||||||||||||