Appendix I Impact Daytime Construction Noise
Monitoring Results |
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Daytime
Noise Monitoring Results at Station NMS2 - Seaview Crescent Tower 1 |
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Date |
Weather Condition |
Noise Level for 30-min, dB(A)# |
Averaged Wind Speed (m/s) |
Baseline Noise Level, dB(A) |
Calculated
Construction Noise Level, dB(A) |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Time |
L90 |
L10 |
Leq |
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4-Oct-12 |
Sunny |
14:20 |
64 |
68 |
66 |
<5m/s |
62.9 |
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75 |
N |
NMS2 |
512861.4 |
7585776 |
4168694 |
10-Oct-12 |
Sunny |
13:55 |
63 |
69 |
66 |
<5m/s |
62.9 |
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75 |
N |
NMS2 |
1148154 |
4677351 |
3981072 |
16-Oct-12 |
Sunny |
14:14 |
63 |
68 |
66 |
<5m/s |
62.9 |
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75 |
N |
NMS2 |
1148154 |
4677351 |
3801894 |
22-Oct-12 |
Sunny |
11:15 |
63 |
70 |
68 |
<5m/s |
62.9 |
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75 |
N |
NMS2 |
1148154 |
4677351 |
6165950 |
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Min |
63 |
68 |
66 |
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60.0 |
67.3 |
66.6 |
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Max |
64 |
70 |
68 |
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Average |
-- |
-- |
67 |
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Daytime
Noise Monitoring Results at Station NMS3A - Site Boundary of Site Office
(WA2) |
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Date |
Weather Condition |
Noise Level for 30-min, dB(A)# |
Averaged Wind Speed (m/s) |
Baseline Noise Level, dB(A) ^ |
Calculated
Construction Noise Level, dB(A) |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Time |
L90 |
L10 |
Leq |
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4-Oct-12 |
Sunny |
11:30 |
66 |
69 |
67 |
<5m/s |
66.3 |
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70 |
N |
NMS3A |
3630781 |
7762471 |
4786301 |
10-Oct-12 |
Sunny |
14:50 |
51 |
65 |
68 |
<5m/s |
66.3 |
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70 |
N |
NMS3A |
128825 |
3090295 |
5754399 |
16-Oct-12 |
Sunny |
15:00 |
52 |
58 |
58 |
<5m/s |
66.3 |
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70 |
N |
NMS3A |
165958.7 |
676083 |
575439.9 |
22-Oct-12 |
Sunny |
11:00 |
62 |
68 |
66 |
<5m/s |
66.3 |
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70 |
N |
NMS3A |
1479108 |
6309573 |
4168694 |
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Min |
51 |
58 |
58 |
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61.3 |
66.5 |
65.8 |
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Max |
66 |
69 |
68 |
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Average |
-- |
-- |
66 |
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Remark: |
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# A correction of
+3dB(A) was made to the free field measurement. |
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*
Façade measurement. |
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^
Averaged baseline noise level recorded at NMS3 Ho Yu College is adopted. |
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HONG KONG
BOUNDARY CROSSING FACILITIES |
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