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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5-May-21 |
14:05 |
67.1 |
68.5 |
64.5 |
75 |
N |
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11-May-21 |
13:05 |
68.1 |
69.5 |
65.0 |
75 |
N |
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17-May-21 |
10:50 |
64.7 |
66.5 |
61.0 |
75 |
N |
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28-May-21 |
11:00 |
66.3 |
67.0 |
63.0 |
75 |
N |
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75 |
N |
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Min |
64.7 |
66.5 |
61.0 |
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Max |
68.1 |
69.5 |
65.0 |
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Average |
66.7 |
68.0 |
63.6 |
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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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5-May-21 |
15:00 |
63.2 |
64.5 |
61.0 |
70 |
N |
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11-May-21 |
10:55 |
63.6 |
65.0 |
61.5 |
70 |
N |
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17-May-21 |
10:00 |
60.2 |
61.0 |
57.0 |
70 |
N |
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28-May-21 |
10:00 |
60.1 |
61.0 |
56.0 |
70 |
N |
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0-Jan-00 |
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70 |
N |
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Min |
60.1 |
61.0 |
56.0 |
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Max |
63.6 |
65.0 |
61.5 |
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Average |
62.1 |
63.3 |
59.5 |
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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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