| 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 | |||||||||||
| 02-Sep-10 | 19:20 | 19:25 | Fine | 63 | 63 | 62 | excvation in operation | traffic noise from nearby pier | - | 29.5 | <5 m/s | B&K 2270 | B&K 4231 |
| 19:25 | 19:30 | 63 | 63 | 62 | |||||||||
| 19:30 | 19:35 | 63 | 63 | 62 | |||||||||
| 08-Sep-10 | 20:09 | 20:14 | Fine | 69 | 70 | 68 | excvation and crane in operation | cargo transportation, traffic noise from nearby pier | - | 29.9 | <5 m/s | B&K 2238 | B&K 4231 |
| 20:14 | 20:19 | 69 | 70 | 68 | |||||||||
| 20:19 | 20:24 | 68 | 70 | 67 | |||||||||
| 14-Sep-10 | 19:05 | 19:10 | Fine | 65 | 65 | 64 | excvation in operation | traffic noise from nearby pier. | - | 27.2 | <5 m/s | B&K 2238 | B&K 4231 |
| 19:10 | 19:15 | 65 | 66 | 64 | |||||||||
| 19:15 | 19:20 | 65 | 66 | 64 | |||||||||
| 24-Sep-10 | 21:06 | 21:11 | Fine | 62 | 62 | 61 | excvation in operation | cargo transportation, traffic noise from nearby pier | - | 27.7 | <5 m/s | B&K 2238 | B&K 4231 |
| 21:11 | 21:16 | 62 | 62 | 61 | |||||||||
| 21:16 | 21:21 | 62 | 63 | 61 | |||||||||
| Min. | 62 | ||||||||||||
| Max. | 69 | ||||||||||||
| + - Facade measurement | |||||||||||||