| Daytime Noise Monitoring Results -- Noraml weekday | |||||||||||||
| Station M3, Kwan Yick building | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 30 min | Major Construction Noise Source(s) Observed | Other Noise Source(s) Observed | Remarks | Temp. (°C) | Wind Speed (m/s) | Noise Meter Model / ID | Calibrator Model / ID | ||
| Leq | L10 | L90 | |||||||||||
| 04-Jun-10 | 08:23 | 08:53 | Fine | 71 | 72 | 70 | Excavator work, crawler cranes, pre-bored piling | Traffic Noise | - | 24.8 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 10-Jun-10 | 14:55 | 15:25 | Cloudy | 70 | 71 | 68 | Excavator work, crawler cranes | Traffic Noise | - | 25.7 | 0.5 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 15-Jun-10 | 09:27 | 10:27 | Cloudy | 70 | 72 | 68 | Crawler Crane, Excavator work | Traffic Noise | - | 29.3 | 1.5 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| 21-Jun-10 | 08:20 | 09:20 | Sunny | 72 | 74 | 70 | Pre-bored piling, Crawler Crane, Excavator work | Traffic Noise | - | 30.2 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10786708) |
| Min. | 70 | ||||||||||||
| Max. | 72 | ||||||||||||