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| Restricted
Hours Noise Monitoring Results -- Evening Time and Daytime on Public Holiday |
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| Station M3, Kwan Yick building |
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| 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 |
| 03-Feb-13 |
08:52 |
09:07 |
Sunny |
64.9 |
66.5 |
62.7 |
No outdoor construction noise |
Mainly traffic noise |
- |
18 |
0.3 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 17-Feb-13 |
17:18 |
17:33 |
Sunny |
66.4 |
68.7 |
63.2 |
No outdoor construction noise |
Mainly traffic noise |
- |
19 |
0.4 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 24-Feb-13 |
15:22 |
15:37 |
Fine |
67.0 |
68.7 |
64.9 |
No outdoor construction noise |
Mainly traffic noise |
- |
18 |
<5 |
B&K 2238 S/N: 2381580 |
B&K 4231 S/N: 3003246 |
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Min. |
64.9 |
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Max. |
67.0 |
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| Remark:
The data (3 and 17 February) was provided by Contract No.
DC/2007/23. |
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| Calibration certificates for the noise
meter(s) and calibrator(s) used were included in the corresponding Monthly
EM&A Report for this Contract |
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| Station M6a,
Aegean Terrace |
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| 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 |
| 03-Feb-13 |
13:10 |
13:25 |
Fine |
58.4 |
59.5 |
52.1 |
No major construction works |
Local traffics of Aegean Terrace |
According to contractor, general construction works was in
process accordance to CNP.
Free-field measurement, +3dB correction. |
19 |
<5 |
B&K 2238 S/N :
2381580 |
B&K 4231 S/N:
3003246 |
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Min. |
58.4 |
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Max. |
58.4 |
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| Station M8, Wah Lai House |
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| 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 |
| 17-Feb-13 |
11:22 |
11:37 |
Sunny |
60.0 |
62.2 |
57.3 |
No major constructin works |
Road Traffic noise from Shek Pai Wan Road |
N.A |
17 |
<5 |
B&K 2238 S/N :
2381580 |
B&K 4231 S/N: 3003246 |
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Min. |
60.0 |
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Max. |
60.0 |
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| Restricted
Hours Noise Monitoring Results -- Evening time |
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| Station M3, Kwan Yick building |
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| 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 |
| 14-Feb-13 |
19:10 |
19:25 |
Cloudy |
66.6 |
68.2 |
64.3 |
No outdoor construction noise |
Mainly traffic noise |
- |
18 |
0.3 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 20-Feb-13 |
22:45 |
23:00 |
Fine |
67.2 |
68.5 |
65.0 |
No outdoor construction noise |
Mainly traffic noise |
- |
18 |
<5 |
B&K 2238 S/N: 2381580 |
B&K 4231 S/N: 3003246 |
| 26-Feb-13 |
21:20 |
21:35 |
Fine |
66.9 |
68.2 |
65.3 |
No outdoor construction noise |
Mainly traffic noise |
- |
21 |
0.3 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
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Min. |
66.6 |
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Max. |
67.2 |
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| [1] The data (M3_Evening Time) of 14 and 26
February were provided by Contract No. DC/2007/23. |
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| Calibration certificates for the noise
meter(s) and calibrator(s) used were included in the corresponding Monthly
EM&A Report for this Contract |
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| Station M5a, Chuk Lam Ming
Tong |
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| 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 |
22:45 |
23:00 |
Fine |
58.7 |
61.1 |
50.9 |
Works in tunnel |
Road traffic at San Wan Drive |
According to contractor, general construction works was in
process accordance to CNP. |
19 |
<5 |
B&K 2238 S/N : 2381580 |
B&K 4231 S/N: 3003246 |
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Min. |
58.7 |
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Max. |
58.7 |
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| Station M6a,
Aegean Terrace |
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| 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 |
22:45 |
23:00 |
Fine |
47.2 |
48.9 |
44.5 |
Works inside tunnel |
Local traffics 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 |
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Min. |
47.2 |
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Max. |
47.2 |
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