| Daytime Noise Monitoring Results | |||||||||||||
| Station NM3 | |||||||||||||
| 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-Oct-10 | 08:45 | 09:15 | Sunny | 69 | 70 | 66 | Pre-bored Piling, Crawler Crane | Traffic noise | - | 25 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 15-Oct-10 | 08:20 | 09:20 | Fine | 75 | 76 | 73 | Bored Piling, Crawler Crane | Traffic noise | - | 25 | 0.3 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 21-Oct-10 | 08:12 | 08:42 | Fine | 75 | 77 | 73 | Bored Piling, Crawler Crane | Traffic noise | - | 26 | 1.5 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 27-Oct-10 | 09:32 | 10:02 | Sunny | 75 | 76 | 73 | Bored Piling, Crawler Crane | Traffic noise | - | 20 | 1.8 | RION- NL31 (S/N 00410224) | RION - NC73 (S/N 10997142) |
| Min. | 69 | ||||||||||||
| Max. | 75 | ||||||||||||