| 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 |
| 03-Aug-10 |
22:45 |
23:00 |
Fine |
66 |
67 |
63 |
Operating
bentonite filitering plant and hydraulic excavator |
Traffic
noise |
N.A |
29 |
<5 |
B&K 2238 S/N : 2684502 |
B&K
4231 S/N: 2385180 |
| 09-Aug-10 |
22:45 |
23:00 |
Fine |
65 |
67 |
64 |
Operating bentonite filitering plant and hydraulic excavator |
Traffic noise |
N.A |
30 |
<5 |
B&K
2238 S/N : 2684502 |
B&K 4231 S/N: 2385180 |
| 17-Aug-10 |
22:45 |
23:00 |
Cloudy |
66 |
68 |
64 |
Operating bentonite filitering plant and hydraulic excavator |
Traffic noise |
N.A |
28 |
<5 |
B&K
2238 S/N : 2684502 |
B&K 4231 S/N: 2385180 |
| 00-Jan-00 |
- |
- |
- |
- |
- |
- |
- |
- |
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- |
| 00-Jan-00 |
- |
- |
- |
- |
- |
- |
- |
- |
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- |
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| 00-Jan-00 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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Min. |
65 |
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Max. |
66 |
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