Impact Daytime
Construction Noise Monitoring Results |
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Location
: M2 (West Tai Wo - Free Field) |
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Day
time 07:00-19:00 hrs Normal Weekdays Impact Noise Monitoring Results |
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Measured Noise Level for 30-min, dB(A) |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq* |
L10* |
L90* |
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2-Jul-19 |
11:40 |
69.7 |
72.4 |
68.1 |
75 |
N |
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8-Jul-19 |
11:05 |
67.3 |
69.5 |
66.0 |
75 |
N |
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19-Jul-19 |
14:20 |
67.1 |
68.5 |
63.0 |
75 |
N |
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25-Jul-19 |
14:20 |
66.4 |
68.5 |
64.0 |
75 |
N |
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31-Jul-19 |
11:05 |
66.8 |
68.7 |
64.1 |
75 |
N |
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Location
: M3 (Fanling Government Secondary School- Façade) |
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Day
time 07:00-19:00 hrs Normal Weekdays Impact Noise Monitoring Results |
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Measured Noise Level for 30-min, dB(A) |
Limit Level, dB(A)^ |
Exceedance (Y/N) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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2-Jul-19 |
9:50 |
67.2 |
69.4 |
65.1 |
70 |
N |
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8-Jul-19 |
10:10 |
61.8 |
63.5 |
60.0 |
70 |
N |
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19-Jul-19 |
13:30 |
60.0 |
61.0 |
56.0 |
70 |
N |
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25-Jul-19 |
13:25 |
60.3 |
62.0 |
57.0 |
70 |
N |
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31-Jul-19 |
9:55 |
60.5 |
62.7 |
58.2 |
70 |
N |
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* +3dB(A) Façade effect correction included |
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^ Limit Level of 70dB(A) applies to education institutes while
65dB(A) applies during school examination period. |
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