| Daytime Noise Monitoring Results | |||||||||||||
| Station NM6 Customs' Marine Base (Block H of Government Dockyard) Rooftop | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 30 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-Apr-12 | 09:31 | 10:01 | Fine | 69 | 72 | 65 | excavation in process; crane in operation | other construction site nearby; road traffic noise | - | 21.9 | <5 m/s | Rion NL-31 | Rion NC-73 |
| 12-Apr-12 | 13:39 | 14:09 | Fine | 70 | 74 | 67 | excavation in process; crane in operation | other construction site nearby; road traffic noise | - | 25.5 | <5 m/s | Rion NL-31 | Rion NC-73 |
| 18-Apr-12 | 10:45 | 11:15 | Sunny | 68 | 70 | 66 | excavation in process; crane in operation | other construction site nearby; road traffic noise | - | 22.0 | <5 m/s | Rion NL-31 | Rion NC-73 |
| 24-Apr-12 | 10:56 | 11:26 | Fine | 66 | 67 | 65 | excavation in process; crane in operation | other construction site nearby; road traffic noise | - | 27.1 | <5 m/s | Rion NL-31 | Rion NC-73 |
| 30-Apr-12 | 13:40 | 14:10 | Sunny | 68 | 68 | 66 | excavation in process; crane in operation | other construction site nearby; road traffic noise | - | 28.5 | <5 m/s | Rion NL-31 | Rion NC-73 |
| Min. | 66 | ||||||||||||
| Max. | 70 | ||||||||||||
| + - Façade measurement | |||||||||||||