| 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-Apr-20 |
13:00 |
64.7 |
66.0 |
62.5 |
75 |
N |
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2951209.227 |
3981071.706 |
1778279.41 |
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| 15-Apr-20 |
11:10 |
68.8 |
70.4 |
68.8 |
75 |
N |
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7585775.75 |
10964781.96 |
7585775.75 |
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| 21-Apr-20 |
13:30 |
66.7 |
67.5 |
64.5 |
75 |
N |
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4677351.413 |
5623413.252 |
2818382.931 |
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| 29-Apr-20 |
15:05 |
68.5 |
69.8 |
66.0 |
75 |
N |
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7079457.844 |
9549925.86 |
3981071.706 |
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75 |
N |
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1 |
1 |
1 |
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Min |
64.7 |
66.0 |
62.5 |
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67.5 |
68.8 |
66.1 |
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Max |
68.8 |
70.4 |
68.8 |
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Average |
67.5 |
68.8 |
66.1 |
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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-Apr-20 |
11:00 |
60.2 |
61.0 |
55.5 |
70 |
N |
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1047128.548 |
1258925.412 |
354813.3892 |
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| 15-Apr-20 |
10:03 |
65.0 |
66.2 |
62.5 |
70 |
N |
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3162277.66 |
4168693.835 |
1778279.41 |
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| 21-Apr-20 |
14:00 |
60.6 |
61.5 |
56.5 |
70 |
N |
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1148153.621 |
1412537.545 |
446683.5922 |
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| 29-Apr-20 |
13:40 |
63.7 |
65.5 |
60.9 |
70 |
N |
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2344228.815 |
3548133.892 |
1230268.771 |
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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 |
60.2 |
61.0 |
55.5 |
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62.8 |
64.1 |
59.8 |
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Max |
65.0 |
66.2 |
62.5 |
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Average |
62.8 |
64.1 |
59.8 |
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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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