| Daytime Noise Monitoring Results --
Normal weekday |
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| Station M3, Kwan Yick Building(*) |
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| 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 |
| 06-Jul-12 |
14:25 |
14:55 |
Sunny |
67 |
68 |
66 |
- |
Traffic
Noise |
- |
30 |
0.3 |
RION- NL31
(S/N 00603867) |
RION - NC73
(S/N 10997142) |
| 12-Jul-12 |
09:20 |
09:50 |
Sunny |
67 |
68 |
65 |
No outdoor construction |
Traffic Noise |
- |
31 |
0.3 |
RION- NL31 (S/N 00710259) |
RION - NC73 (S/N 10997142) |
| 18-Jul-12 |
10:32 |
11:02 |
Cloudy |
67 |
68 |
65 |
No outdoor construction |
Traffic Noise |
- |
31 |
0.3 |
RION- NL31 (S/N 00710259) |
RION - NC73 (S/N 10997142) |
| 24-Jul-12 |
13:03 |
13:33 |
Cloudy |
66 |
68 |
64 |
No outdoor construction |
Traffic Noise |
- |
27 |
1.8 |
RION- NL31 (S/N 00710259) |
RION - NC73 (S/N 10997142) |
| 30-Jul-12 |
14:30 |
15:00 |
Sunny |
67 |
69 |
65 |
- |
Traffic Noise |
- |
30 |
0.3 |
RION- NL31 (S/N 00710259) |
RION - NC73 (S/N 10997142) |
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Min. |
66 |
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Max. |
67 |
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Remark:
(*): The data 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 M5,
Chuk Lam Ming Tong |
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| 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 |
| 03-Jul-12 |
14:06 |
14:36 |
Sunny |
62 |
65 |
58 |
Holes drilling in tunnel |
Road traffic noise |
N.A |
29.1 |
<5 |
B&K 2238 S/N :
2385180 |
B&K 4231 S/N: 2656516 |
| 09-Jul-12 |
13:23 |
13:53 |
Sunny |
63 |
66 |
57 |
Holes drilling in tunnel |
Road traffic noise |
N.A |
29.8 |
<5 |
B&K 2238 S/N :
2385180 |
B&K 4231 S/N: 2656516 |
| 19-Jul-12 |
14:01 |
14:31 |
Cloudy |
63 |
67 |
58 |
Holes drilling in tunnel |
Road traffic noise |
N.A |
30.2 |
<5 |
B&K 2238 S/N :
2385180 |
B&K 4231 S/N: 2656516 |
| 26-Jul-12 |
Noise monitoring was cancelled due to raining |
| 31-Jul-12 |
09:38 |
10:08 |
Sunny |
63 |
65 |
58 |
Works in tunnel |
Road traffic noise |
N.A |
29.2 |
<5 |
B&K 2238 S/N :
2385180 |
B&K 4231 S/N: 2656516 |
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Min. |
62 |
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Max. |
63 |
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