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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1-Feb-17 |
13:59 |
69.7 |
72.4 |
68.0 |
75 |
N |
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9332543.008 |
17378008.29 |
6309573.445 |
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6-Feb-17 |
10:54 |
69.8 |
71.0 |
64.5 |
75 |
N |
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9549925.86 |
12589254.12 |
2818382.931 |
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16-Feb-17 |
13:15 |
68.9 |
70.3 |
65.2 |
75 |
N |
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7762471.166 |
10715193.05 |
3311311.215 |
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22-Feb-17 |
15:00 |
69.7 |
71.4 |
67.2 |
75 |
N |
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9332543.008 |
13803842.65 |
5248074.602 |
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28-Feb-17 |
9:58 |
69.8 |
71.5 |
65.0 |
75 |
N |
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9549925.86 |
14125375.45 |
3162277.66 |
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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 |
70.3 |
64.5 |
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69.6 |
71.4 |
66.2 |
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Max |
69.8 |
72.4 |
68.0 |
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Average |
69.6 |
71.4 |
66.2 |
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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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1-Feb-17 |
14:50 |
68.2 |
70.3 |
66.5 |
70 |
N |
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6606934.48 |
10715193.05 |
4466835.922 |
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6-Feb-17 |
10:02 |
65.0 |
66.0 |
62.5 |
65 |
N |
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3162277.66 |
3981071.706 |
1778279.41 |
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16-Feb-17 |
14:05 |
64.2 |
66.0 |
62.8 |
65 |
N |
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2630267.992 |
3981071.706 |
1905460.718 |
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22-Feb-17 |
14:00 |
67.6 |
70.1 |
65.2 |
70 |
N |
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5754399.373 |
10232929.92 |
3311311.215 |
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28-Feb-17 |
10:49 |
65.2 |
67.0 |
61.5 |
70 |
N |
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3311311.215 |
5011872.336 |
1412537.545 |
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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 |
64.2 |
66.0 |
61.5 |
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66.3 |
68.3 |
64.1 |
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Max |
68.2 |
70.3 |
66.5 |
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Average |
66.3 |
68.3 |
64.1 |
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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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