| 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-Feb-20 |
14:15 |
65.1 |
66.5 |
63.0 |
75 |
N |
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3235936.569 |
4466835.922 |
1995262.315 |
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| 14-Feb-20 |
13:30 |
69.7 |
71.2 |
67.5 |
75 |
N |
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9332543.008 |
13182567.39 |
5623413.252 |
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| 20-Feb-20 |
14:00 |
67.2 |
68.8 |
65.0 |
75 |
N |
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5248074.602 |
7585775.75 |
3162277.66 |
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| 26-Feb-20 |
14:50 |
70.3 |
71.6 |
68.5 |
75 |
N |
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10715193.05 |
14454397.71 |
7079457.844 |
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75 |
N |
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1 |
1 |
1 |
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Min |
65.1 |
66.5 |
63.0 |
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68.5 |
70.0 |
66.5 |
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Max |
70.3 |
71.6 |
68.5 |
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Average |
68.5 |
70.0 |
66.5 |
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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-Feb-20 |
14:00 |
60.3 |
61.5 |
55.0 |
70 |
N |
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1071519.305 |
1412537.545 |
316227.766 |
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| 14-Feb-20 |
11:00 |
67.1 |
69.2 |
64.0 |
70 |
N |
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5128613.84 |
8317637.711 |
2511886.432 |
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| 20-Feb-20 |
13:10 |
63.9 |
65.5 |
61.7 |
70 |
N |
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2454708.916 |
3548133.892 |
1479108.388 |
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| 26-Feb-20 |
14:00 |
66.9 |
68.6 |
64.8 |
70 |
N |
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4897788.194 |
7244359.601 |
3019951.72 |
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| 0-Jan-00 |
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70 |
N |
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1 |
1 |
1 |
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Min |
60.3 |
61.5 |
55.0 |
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65.3 |
67.1 |
62.6 |
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Max |
67.1 |
69.2 |
64.8 |
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Average |
65.3 |
67.1 |
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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