| Restricted Hours Noise Monitoring Results
-- Night time |
|
|
|
|
|
| Station M3, Kwan Yick Building |
|
|
|
|
|
|
|
|
|
|
| Date |
Start Time |
End Time |
Weather |
Noise level (dB(A)), 15 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 |
| 20-Feb-13 |
23:00 |
23:15 |
Cloudy |
67.0 |
68.3 |
64.8 |
No outdoor
construction noise |
Mainly
traffic noise |
- |
17 |
<5 |
B&K
2238 S/N: 2385180 |
B&K
4231 S/N: 3003246 |
|
|
|
Min. |
67.0 |
|
|
|
|
|
|
|
|
|
|
|
|
Max. |
67.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Station M5a, Chuk Lam Ming
Tong |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Date |
Start Time |
End Time |
Weather |
Noise level (dB(A)), 5 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 |
| 07-Feb-13 |
23:00 |
23:15 |
Fine |
58.5 |
59.7 |
50.9 |
No major
construction workd on surface |
Traffic
noise at San Wan Drive |
N.A |
19.1 |
<5 |
B&K
2238 S/N : 2385180 |
B&K
4231 S/N: 3003246 |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Min. |
58.5 |
|
|
|
|
|
|
|
|
|
|
|
|
Max. |
58.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Station M6a,
Aegean Terrace |
|
|
|
|
|
|
|
|
|
|
| Date |
Start Time |
End Time |
Weather |
Noise level (dB(A)), 5 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 |
| 15-Feb-13 |
23:00 |
23:15 |
Fine |
47.5 |
49.6 |
43.5 |
Works inside tunnel |
Local traffic of Aegean Terence |
According to contractor, general construction works was in
process accordance to CNP.
Free-field measurement, +3dB correction. |
16 |
<5 |
B&K 2238 S/N :
2381580 |
B&K 4231 S/N: 3003246 |
|
|
|
Min. |
47.5 |
|
|
|
|
|
|
|
|
|
|
|
|
Max. |
47.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|