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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3-Feb-16 |
14:40 |
69.5 |
71.3 |
67.5 |
75 |
N |
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8912509.381 |
13489628.83 |
5623413.252 |
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12-Feb-16 |
10:36 |
69.2 |
71.1 |
66.0 |
75 |
N |
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8317637.711 |
12882495.52 |
3981071.706 |
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17-Feb-16 |
10:48 |
69.6 |
71.1 |
68.9 |
75 |
N |
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9120108.394 |
12882495.52 |
7762471.166 |
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22-Feb-16 |
10:06 |
69.2 |
74.0 |
66.4 |
75 |
N |
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8317637.711 |
25118864.32 |
4365158.322 |
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Min |
69.2 |
71.1 |
66.0 |
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69.4 |
72.1 |
67.4 |
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Max |
69.6 |
74.0 |
68.9 |
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Average |
69.4 |
72.1 |
67.4 |
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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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3-Feb-16 |
15:50 |
67.5 |
69.7 |
65.3 |
70 |
N |
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5623413.252 |
9332543.008 |
3388441.561 |
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12-Feb-16 |
9:53 |
65.0 |
66.1 |
63.7 |
65 |
N |
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3162277.66 |
4073802.778 |
2344228.815 |
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17-Feb-16 |
10:02 |
64.3 |
66.1 |
62.7 |
65 |
N |
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2691534.804 |
4073802.778 |
1862087.137 |
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22-Feb-16 |
11:00 |
64.1 |
67.9 |
61.5 |
65 |
N |
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2570395.783 |
6165950.019 |
1412537.545 |
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Min |
64.1 |
66.1 |
61.5 |
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65.5 |
67.7 |
63.5 |
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Max |
67.5 |
69.7 |
65.3 |
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Average |
65.5 |
67.7 |
63.5 |
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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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