Restricted Hours Noise Monitoring Results
-- 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 |
07-Aug-11 |
08:29 |
08:44 |
Fine |
64 |
66 |
62 |
No outdoor construction noise |
Mainly traffic noise |
N.A |
31.0 |
0.2 |
RION- NL31 (S/N 00983400) |
RION - NC73 (S/N 10997142) |
21-Aug-11 |
09:46 |
10:01 |
Sunny |
64 |
66 |
61 |
No outdoor construction noise |
Mainly traffic noise |
N.A |
31.0 |
0.2 |
RION- NL31 (S/N 00983400) |
RION - NC73 (S/N 10997142) |
28-Aug-11 |
14:43 |
14:58 |
Sunny |
66 |
68 |
64 |
Operation of mobile crane and mud out |
Mainly traffic noise |
N.A |
29.0 |
0.2 |
B&K 2238 S/N: 2684502 |
B&K 4231 S/N: 2385180 |
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Min. |
64 |
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Max. |
66 |
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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 |
11-Aug-11 |
20:30 |
20:45 |
Fine |
67 |
68 |
65 |
Loading activities |
Road traffic noise from Western Harbour Crossing, engine of
turbojet, planes and helicopter
overhead. |
N.A |
28.7 |
<5 |
B&K 2238 S/N :
2684503 |
B&K 4231 S/N: 2385180 |
31-Aug-11 |
19:00 |
19:15 |
Fine |
67 |
68 |
65 |
Mud out |
Road traffic noise from Western Harbour Crossing, engine of
turbojet, planes and helicopter
overhead. |
N.A |
30.6 |
<5 |
B&K 2238 S/N :
2684502 |
B&K 4231 S/N: 2385180 |
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Min. |
67 |
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Max. |
67 |
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