| 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-Sep-17 |
14:17 |
66.0 |
69.5 |
71.0 |
75 |
N |
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3981071.706 |
8912509.381 |
12589254.12 |
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| 12-Sep-17 |
13:10 |
66.2 |
70.6 |
74.2 |
75 |
N |
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4168693.835 |
11481536.21 |
26302679.92 |
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| 18-Sep-17 |
14:01 |
70.4 |
72.0 |
64.5 |
75 |
N |
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10964781.96 |
15848931.92 |
2818382.931 |
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| 29-Sep-17 |
14:10 |
70.4 |
73.9 |
67.5 |
75 |
N |
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10964781.96 |
24547089.16 |
5623413.252 |
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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 |
66.0 |
69.5 |
64.5 |
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68.8 |
71.8 |
70.7 |
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Max |
70.4 |
73.9 |
74.2 |
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Average |
68.8 |
71.8 |
70.7 |
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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-Sep-17 |
13:02 |
62.5 |
65.1 |
67.0 |
70 |
N |
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1778279.41 |
3235936.569 |
5011872.336 |
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| 12-Sep-17 |
14:02 |
61.2 |
64.0 |
66.5 |
70 |
N |
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1318256.739 |
2511886.432 |
4466835.922 |
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| 18-Sep-17 |
13:07 |
64.2 |
66.0 |
61.5 |
70 |
N |
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2630267.992 |
3981071.706 |
1412537.545 |
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| 29-Sep-17 |
13:50 |
63.4 |
67.6 |
59.7 |
70 |
N |
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2187761.624 |
5754399.373 |
933254.3008 |
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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 |
61.2 |
64.0 |
59.7 |
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63.0 |
65.9 |
64.7 |
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Max |
64.2 |
67.6 |
67.0 |
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Average |
63.0 |
65.9 |
64.7 |
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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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