Appendix I 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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4-Aug-21 |
14:30 |
66.0 |
67.7 |
64.0 |
75 |
N |
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10-Aug-21 |
11:20 |
67.3 |
69.0 |
65.0 |
75 |
N |
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16-Aug-21 |
10:00 |
66.4 |
67.9 |
65.9 |
75 |
N |
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27-Aug-21 |
11:30 |
66.3 |
67.8 |
63.9 |
75 |
N |
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Min |
66.0 |
67.7 |
63.9 |
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Max |
67.3 |
69.0 |
65.9 |
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Average |
66.5 |
68.1 |
64.8 |
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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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4-Aug-21 |
15:20 |
59.7 |
61.0 |
56.7 |
70 |
N |
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10-Aug-21 |
10:30 |
62.9 |
64.4 |
59.9 |
70 |
N |
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16-Aug-21 |
10:50 |
68.2 |
69.9 |
66.7 |
70 |
N |
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27-Aug-21 |
10:40 |
62.2 |
64.0 |
60.1 |
70 |
N |
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Min |
59.7 |
61.0 |
56.7 |
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Max |
68.2 |
69.9 |
66.7 |
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Average |
64.5 |
66.1 |
62.5 |
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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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