| 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 | |||||||||||
| 03-Jan-12 | 19:03 | 19:08 | Fine | 66 | 66 | 65 | excavation in process | traffic noise from nearby pier | - | 17 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:08 | 19:13 | 66 | 66 | 65 | |||||||||
| 19:13 | 19:18 | 66 | 66 | 65 | |||||||||
| 09-Jan-12 | 19:03 | 19:08 | Fine | 66 | 67 | 66 | excavation in process | traffic noise from nearby pier | - | 15.8 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:08 | 19:13 | 66 | 67 | 66 | |||||||||
| 19:13 | 19:18 | 66 | 67 | 66 | |||||||||
| 20-Jan-12 | 21:06 | 21:11 | Fine | 68 | 69 | 67 | excavation in process | traffic noise from nearby pier | - | 17.4 | <5 m/s | Rion NL-31 | Rion NC-73 |
| 21:11 | 21:16 | 68 | 69 | ||||||||||
| 21:16 | 21:21 | 68 | 68 | 67 | |||||||||
| 26-Jan-12 | 20:02 | 20:07 | Fine | 66 | 66 | 65 | excavation in process; crane in operation | traffic noise from nearby pier | - | 11.2 | <5 m/s | B&K 2238 | B&K 4231 |
| 20:07 | 20:12 | 66 | 66 | 65 | |||||||||
| 20:12 | 20:17 | 66 | 66 | 65 | |||||||||
| Min. | 66 | ||||||||||||
| Max. | 68 | ||||||||||||
| + - Façade measurement | |||||||||||||