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-Apr-18 |
9:53 |
68.3 |
69.8 |
66.2 |
75 |
N |
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6760829.754 |
9549925.86 |
4168693.835 |
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9-Apr-18 |
15:00 |
69.2 |
71.1 |
66.3 |
75 |
N |
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8317637.711 |
12882495.52 |
4265795.188 |
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20-Apr-18 |
10:15 |
68.2 |
70.5 |
65.6 |
75 |
N |
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6606934.48 |
11220184.54 |
3630780.548 |
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26-Apr-18 |
10:15 |
69.5 |
71.1 |
67.2 |
75 |
N |
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8912509.381 |
12882495.52 |
5248074.602 |
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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 |
68.2 |
69.8 |
65.6 |
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68.8 |
70.7 |
66.4 |
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Max |
69.5 |
71.1 |
67.2 |
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Average |
68.8 |
70.7 |
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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3-Apr-18 |
9:40 |
63.9 |
65.6 |
62.1 |
70 |
N |
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2454708.916 |
3630780.548 |
1621810.097 |
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9-Apr-18 |
13:37 |
65.8 |
67.3 |
62.9 |
65 |
Y |
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3801893.963 |
5370317.964 |
1949844.6 |
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20-Apr-18 |
9:30 |
65.4 |
67.3 |
62.7 |
70 |
N |
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3467368.505 |
5370317.964 |
1862087.137 |
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26-Apr-18 |
10:30 |
65.6 |
67.3 |
61.5 |
70 |
N |
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3630780.548 |
5370317.964 |
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 |
63.9 |
65.6 |
61.5 |
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65.2 |
66.9 |
62.3 |
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Max |
65.8 |
67.3 |
62.9 |
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Average |
65.2 |
66.9 |
62.3 |
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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. Hong Kong Diploma of
Secondary Education Examination (HKDSE) was held on 9 April 2018 at Fanling
Government Secondary School (M3). |
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