| Restricted Hours Noise Monitoring Results -- Evening Time
and Daytime on Public Holiday |
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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 |
| 12-May-13 |
14:29 |
14:44 |
Fine |
64.2 |
67.3 |
56.8 |
Works in noise enclosure |
Road traffic noise at San Wan Drive |
N.A |
24.7 |
<5 |
B&K 2238 S/N : 2381580 |
B&K 4231 S/N: 3003246 |
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Min. |
64.2 |
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Max. |
64.2 |
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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 |
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Min. |
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Max. |
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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 |
| 02-May-13 |
22:45 |
23:00 |
Fine |
67.8 |
69.3 |
64.7 |
No outdoor construction noise |
Mainly traffic noise |
- |
19.3 |
<5 |
B&K 2238 S/N: 2381580 |
B&K 4231 S/N: 3003246 |
| 07-May-13 |
22:40 |
22:55 |
Cloudy |
64.5 |
65.8 |
62.5 |
No outdoor construction noise |
Mainly traffic noise |
- |
24.0 |
0.5 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 21-May-13 |
20:20 |
20:35 |
Cloudy |
66.8 |
68.4 |
65.0 |
No outdoor construction noise |
Mainly traffic noise |
- |
23.5 |
0.3 |
RION- NL31 (S/N 00603867) |
RION - NC73 (S/N 10997142) |
| 30-May-13 |
20:20 |
20:35 |
Cloudy |
66.8 |
68.2 |
64.5 |
No outdoor construction noise |
Mainly traffic noise |
- |
29.3 |
<5 |
B&K 2238 S/N :
2800932 |
B&K 4231 S/N: 3004068 |
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Min. |
64.5 |
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Max. |
67.8 |
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| [1] The data (M3_Evening Time) of 7 and 21 May
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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| Restricted
Hours Noise Monitoring Results -- Evening time |
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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 |
| 09-May-13 |
22:45 |
23:00 |
Fine |
59.7 |
63.6 |
50.3 |
Works in tunnel |
Road traffic at San Wan Drive |
According to contractor, general construction works was in
process accordance to CNP. |
25.2 |
<5 |
B&K 2238 S/N : 2381580 |
B&K 4231 S/N: 3003246 |
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Min. |
59.7 |
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Max. |
59.7 |
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