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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6-Dec-16 |
14:00 |
68.9 |
70.5 |
66.3 |
75 |
N |
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7762471.166 |
11220184.54 |
4265795.188 |
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12-Dec-16 |
11:20 |
69.2 |
71.0 |
67.0 |
75 |
N |
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8317637.711 |
12589254.12 |
5011872.336 |
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23-Dec-16 |
14:08 |
69.0 |
70.2 |
65.9 |
75 |
N |
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7943282.347 |
10471285.48 |
3890451.45 |
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29-Dec-16 |
11:10 |
69.2 |
72.4 |
66.5 |
75 |
N |
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8317637.711 |
17378008.29 |
4466835.922 |
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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 |
68.9 |
70.2 |
65.9 |
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69.1 |
71.1 |
66.4 |
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Max |
69.2 |
72.4 |
67.0 |
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Average |
69.1 |
71.1 |
66.4 |
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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-Dec-16 |
13:05 |
65.8 |
67.2 |
63.3 |
70 |
N |
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3801893.963 |
5248074.602 |
2137962.09 |
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12-Dec-16 |
10:25 |
66.3 |
67.9 |
63.8 |
70 |
N |
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4265795.188 |
6165950.019 |
2398832.919 |
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23-Dec-16 |
15:01 |
64.3 |
65.1 |
62.2 |
70 |
N |
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2691534.804 |
3235936.569 |
1659586.907 |
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29-Dec-16 |
13:12 |
64.0 |
66.8 |
60.5 |
70 |
N |
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2511886.432 |
4786300.923 |
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 |
64.0 |
65.1 |
60.5 |
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65.2 |
66.9 |
62.6 |
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Max |
66.3 |
67.9 |
63.8 |
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Average |
65.2 |
66.9 |
62.6 |
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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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