| 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 | |||||||||||
| 10-Jul-10 | 19:32 | 19:37 | Fine | 76 | 77 | 76 | excvation and concreting in process and crane in operation | other construction site nearby, engine noise from barge anchored at nearby piers, traffic noise from aircrafts passing by and nearby pier. | - | 29.8 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:37 | 19:42 | 77 | 77 | 76 | |||||||||
| 19:42 | 19:47 | 76 | 77 | 76 | |||||||||
| 16-Jul-10 | 20:45 | 20:50 | Fine | 63 | 64 | 62 | concreting in process and crane in operation | cargo transport; traffic noise from nearby pier. | - | 27.6 | <5 m/s | B&K 2238 | B&K 4231 |
| 20:50 | 20:55 | 63 | 64 | 62 | |||||||||
| 20:55 | 21:00 | 63 | 64 | 62 | |||||||||
| 24-Jul-10 | 20:04 | 20:09 | Fine | 69 | 70 | 69 | excavation in process | other construction site nearby, cargo transport, engine noise from barge anchored at nearby piers, traffic noise from nearby pier. | - | 28.3 | <5 m/s | B&K 2238 | B&K 4231 |
| 20:09 | 20:14 | 70 | 70 | 69 | |||||||||
| 20:14 | 20:19 | 69 | 70 | 69 | |||||||||
| 29-Jul-10 | 20:14 | 20:19 | Fine | 68 | 69 | 67 | excavation in process | other construction site nearby, traffic noise from nearby pier. | - | 28.5 | <5 m/s | B&K 2238 | B&K 4231 |
| 20:19 | 20:24 | 66 | 67 | 66 | |||||||||
| 20:24 | 20:29 | 67 | 67 | 66 | |||||||||
| Min. | 63 | ||||||||||||
| Max. | 77 | ||||||||||||
| + - Façade measurement | |||||||||||||