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-Jun-17 |
13:30 |
70.2 |
74.6 |
62.8 |
75 |
N |
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10471285.48 |
28840315.03 |
1905460.718 |
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6-Jun-17 |
9:57 |
69.8 |
71.5 |
66.0 |
75 |
N |
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9549925.86 |
14125375.45 |
3981071.706 |
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12-Jun-17 |
13:00 |
69.4 |
73.8 |
62.6 |
75 |
N |
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8709635.9 |
23988329.19 |
1819700.859 |
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23-Jun-17 |
9:50 |
69.6 |
72.6 |
62.8 |
75 |
N |
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9120108.394 |
18197008.59 |
1905460.718 |
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29-Jun-17 |
13:15 |
68.7 |
73.6 |
62.4 |
75 |
N |
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7413102.413 |
22908676.53 |
1737800.829 |
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31-Aug-16 |
9:54 |
69.6 |
71.2 |
66.4 |
75 |
N |
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9120108.394 |
13182567.39 |
4365158.322 |
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Min |
68.7 |
71.5 |
62.4 |
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69.6 |
73.3 |
63.6 |
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Max |
70.2 |
74.6 |
66.0 |
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Average |
69.6 |
73.3 |
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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2-Jun-17 |
13:50 |
64.0 |
66.8 |
60.2 |
70 |
N |
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2511886.432 |
4786300.923 |
1047128.548 |
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6-Jun-17 |
10:48 |
64.6 |
66.0 |
61.5 |
70 |
N |
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2884031.503 |
3981071.706 |
1412537.545 |
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12-Jun-17 |
13:15 |
63.2 |
66.7 |
58.6 |
65 |
N |
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2089296.131 |
4677351.413 |
724435.9601 |
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23-Jun-17 |
11:10 |
62.6 |
64.2 |
58.6 |
65 |
N |
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1819700.859 |
2630267.992 |
724435.9601 |
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29-Jun-17 |
13:50 |
64.0 |
67.3 |
60.5 |
70 |
N |
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2511886.432 |
5370317.964 |
1122018.454 |
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31-Aug-16 |
10:46 |
64.9 |
66.0 |
62.1 |
70 |
N |
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3090295.433 |
3981071.706 |
1621810.097 |
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Min |
62.6 |
64.2 |
58.6 |
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63.7 |
66.3 |
60.0 |
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Max |
64.6 |
67.3 |
61.5 |
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Average |
63.7 |
66.3 |
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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