| 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 |
| 05-Jun-12 |
20:01 |
20:16 |
Fine |
66 |
67 |
64 |
No outdoor construction noise |
Mainly traffic noise |
- |
28.0 |
0.5 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 19-Jun-12 |
19:32 |
19:47 |
Fine |
66 |
68 |
65 |
No outdoor construction noise |
Mainly traffic noise |
- |
28.0 |
0.5 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 27-Jun-12 |
22:45 |
23:00 |
Fine |
66 |
68 |
64 |
No outdoor construction noise |
Mainly traffic noise |
- |
29.4 |
0.5 |
B&K 2238 S/N: 2385180 |
B&K 4231 S/N: 2656516 |
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Min. |
66 |
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Max. |
66 |
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[1]
The data (M3_Evening Time) of 5 and 19 June were provided by Contract No.
DC/2007/23. 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 |
| 06-Jun-12 |
22:45 |
23:00 |
Fine |
58 |
59 |
49 |
Works in tunnel |
Road traffic at San Wan
Drive |
According to contractor, general construction works was in
process accordance to CNP. |
28.3 |
<5 |
B&K 2238 S/N :
2684502 |
B&K 4231 S/N: 2656516 |
| 19-Jun-12 |
22:45 |
23:00 |
Cloudy |
60 |
59 |
49 |
Works in tunnel |
Road traffic at San Wan
Drive |
According to contractor, general construction works was in
process accordance to CNP. |
28.2 |
<5 |
B&K 2238 S/N :
2385180 |
B&K 4231 S/N: 2656516 |
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Min. |
58 |
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Max. |
60 |
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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 |
| 14-Jun-12 |
22:45 |
23:00 |
Fine |
60 |
61 |
56 |
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. |
27.4 |
<5 |
B&K 2238 S/N :
2385180 |
B&K 4231 S/N:
2656516 |
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Min. |
60 |
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Max. |
60 |
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