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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6-May-19 |
13:20 |
66.7 |
67.5 |
63.5 |
75 |
N |
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17-May-19 |
15:00 |
66.8 |
69.5 |
64.0 |
75 |
N |
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23-May-19 |
14:00 |
68.7 |
70.4 |
66.5 |
75 |
N |
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29-May-19 |
14:20 |
65.5 |
66.5 |
63.0 |
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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6-May-19 |
13:00 |
60.2 |
61.5 |
56.5 |
70 |
N |
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17-May-19 |
14:05 |
60.0 |
61.0 |
56.5 |
70 |
N |
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23-May-19 |
14:45 |
67.1 |
69.0 |
64.0 |
70 |
N |
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29-May-19 |
14:05 |
62.5 |
63.5 |
60.0 |
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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