Location : NM1 (Tai Kwong Secondary
School Rooftop - 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) |
Baseline Noise
Level, dB(A) |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq |
L10 |
L90 |
8-Feb-11 |
10:25 |
67.2 |
69.0 |
64.8 |
64.2 |
64.2 |
70 |
N |
14-Feb-11 |
10:12 |
66.8 |
68.5 |
64.0 |
64.2 |
63.3 |
70 |
N |
23-Feb-11 |
15:22 |
66.8 |
68.4 |
63.9 |
64.2 |
63.3 |
70 |
N |
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Location : NM2
(38 Ha Wun Yiu G/F - 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) |
Baseline Noise Level, dB(A)* |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq* |
L10* |
L90* |
8-Feb-11 |
14:10 |
69.1 |
71.0 |
66.5 |
68.1 |
62.2 |
75 |
N |
14-Feb-11 |
13:30 |
69.3 |
71.1 |
67.4 |
68.1 |
63.1 |
75 |
N |
23-Feb-11 |
10:50 |
66.5 |
68.0 |
64.0 |
68.1 |
66.5 |
75 |
N |
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Location : NM3
(Wong Shiu Chi Middle School Rooftop - 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) |
Baseline Noise
Level, dB(A) |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq |
L10 |
L90 |
8-Feb-11 |
11:20 |
67.8 |
69.4 |
65.9 |
64.8 |
64.8 |
70 |
N |
14-Feb-11 |
14:28 |
65.4 |
67.2 |
63.3 |
64.8 |
56.5 |
70 |
N |
23-Feb-11 |
14:17 |
65.7 |
67.4 |
63.4 |
64.8 |
58.4 |
70 |
N |
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Location : NM4
(Uptown Plaza Block 4 Rooftop - 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) |
Baseline Noise Level, dB(A) |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq |
L10 |
L90 |
8-Feb-11 |
11:11 |
68.3 |
69.5 |
66.0 |
67.4 |
61.0 |
75 |
N |
14-Feb-11 |
11:00 |
67.7 |
69.0 |
66.0 |
67.4 |
55.9 |
75 |
N |
23-Feb-11 |
14:00 |
68.7 |
70.5 |
66.5 |
67.4 |
62.8 |
75 |
N |
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Location : NM5
(The Paragon Clubhouse Rooftop - 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) |
Baseline Noise Level, dB(A) |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq |
L10 |
L90 |
8-Feb-11 |
13:05 |
66.4 |
68.0 |
63.5 |
65.2 |
60.2 |
75 |
N |
14-Feb-11 |
15:40 |
64.8 |
66.2 |
63.5 |
65.2 |
64.8 |
75 |
N |
23-Feb-11 |
10;06 |
65.3 |
67.0 |
63.0 |
65.2 |
48.9 |
75 |
N |
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Location : NM6
(PLK Tin Ka Ping Primary School near the entrance - 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) |
Baseline Noise Level, dB(A)* |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq* |
L10* |
L90* |
8-Feb-11 |
14:52 |
67.2 |
69.0 |
65.5 |
64.5 |
63.9 |
70 |
N |
14-Feb-11 |
11:08 |
67.8 |
69.5 |
66.2 |
64.5 |
65.1 |
70 |
N |
23-Feb-11 |
11:07 |
66.4 |
67.9 |
64.8 |
64.5 |
61.9 |
70 |
N |
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Location : NM7
(Riverain Bayside Switch Room Rooftop - 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) |
Baseline Noise Level, dB(A) |
Corrected
Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
Date |
Start Time |
Leq |
L10 |
L90 |
8-Feb-11 |
10:10 |
61.3 |
63.0 |
59.0 |
61.5 |
61.3 |
75 |
N |
14-Feb-11 |
9:57 |
62.9 |
64.3 |
60.7 |
61.5 |
57.3 |
75 |
N |
23-Feb-11 |
9:51 |
56.8 |
58.4 |
54.2 |
61.5 |
56.8 |
75 |
N |
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Remarks |
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* +3dB(A) Façade effect correction included |
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** Construction
noise level is only calculated when Measured noise level (Leq) > Baseline
noise level. |
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If Measured noise level < Baseline
noise level, Corrected noise level = Measured noise level |
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