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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2-Sep-21 |
15:10 |
66.7 |
68.3 |
64.4 |
75 |
N |
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8-Sep-21 |
14:00 |
65.6 |
66.9 |
63.4 |
75 |
N |
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14-Sep-21 |
15:20 |
65.9 |
67.6 |
63.6 |
75 |
N |
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20-Sep-21 |
13:35 |
65.3 |
66.7 |
62.4 |
75 |
N |
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30-Sep-21 |
13:25 |
65.4 |
66.8 |
63.1 |
75 |
N |
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Min |
65.3 |
66.7 |
62.4 |
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Max |
66.7 |
68.3 |
64.4 |
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Average |
65.8 |
67.4 |
63.5 |
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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-Sep-21 |
14:15 |
62.2 |
63.8 |
60.0 |
70 |
N |
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8-Sep-21 |
14:45 |
63.2 |
63.4 |
61.9 |
70 |
N |
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14-Sep-21 |
14:05 |
61.4 |
63.0 |
59.0 |
70 |
N |
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20-Sep-21 |
13:10 |
60.6 |
62.0 |
58.0 |
70 |
N |
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30-Sep-21 |
13:05 |
60.1 |
61.3 |
56.0 |
70 |
N |
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Min |
60.1 |
61.3 |
56.0 |
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Max |
63.2 |
63.8 |
61.9 |
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Average |
61.6 |
63.1 |
60.0 |
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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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