| 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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| 4-Mar-14 |
14:30 |
68.7 |
70.0 |
66.6 |
75 |
N |
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7413102.413 |
10000000 |
4570881.896 |
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| 10-Mar-14 |
14:50 |
64.9 |
68.3 |
61.2 |
75 |
N |
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3090295.433 |
6760829.754 |
1318256.739 |
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| 21-Mar-14 |
14:00 |
67.9 |
69.6 |
64.3 |
75 |
N |
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6165950.019 |
9120108.394 |
2691534.804 |
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| 27-Mar-14 |
14:30 |
67.2 |
69.6 |
64.5 |
75 |
N |
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5248074.602 |
9120108.394 |
2818382.931 |
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Min |
64.9 |
68.3 |
61.2 |
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Max |
68.7 |
70.0 |
66.6 |
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Average |
67.4 |
69.4 |
64.5 |
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67.4 |
69.4 |
64.5 |
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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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| 4-Mar-14 |
13:40 |
62.9 |
64.0 |
59.0 |
70 |
N |
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1949844.6 |
2511886.432 |
794328.2347 |
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| 10-Mar-14 |
14:00 |
69.6 |
72.4 |
66.5 |
70 |
N |
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9120108.394 |
17378008.29 |
4466835.922 |
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| 21-Mar-14 |
13:05 |
64.1 |
66.0 |
60.0 |
70 |
N |
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2570395.783 |
3981071.706 |
1000000 |
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| 27-Mar-14 |
13:35 |
63.6 |
64.9 |
60.0 |
70 |
N |
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2290867.653 |
3090295.433 |
1000000 |
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Min |
62.9 |
64.0 |
59.0 |
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Max |
69.6 |
72.4 |
66.5 |
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Average |
66.0 |
68.3 |
62.6 |
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66.0 |
68.3 |
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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