Impact Daytime Construction Noise
Monitoring Results |
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Location : NM1A
(168 Shek Kwu Lung Village G/F- 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 |
17-Jan-12 |
10:32 |
61.7 |
63.3 |
58.2 |
64.2 |
61.7 |
75 |
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* |
17-Jan-12 |
13:38 |
67.3 |
69.1 |
64.2 |
68.1 |
67.3 |
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 |
17-Jan-12 |
15:09 |
65.6 |
67.3 |
62.4 |
64.8 |
57.9 |
65 |
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 |
17-Jan-12 |
14:25 |
66.2 |
67.9 |
62.6 |
67.4 |
66.2 |
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 |
17-Jan-12 |
11:17 |
66.7 |
68.5 |
63.5 |
65.2 |
61.4 |
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* |
17-Jan-12 |
11:26 |
64.5 |
66.2 |
61.8 |
64.5 |
64.5 |
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 |
17-Jan-12 |
10:00 |
62.2 |
64.0 |
59.5 |
61.5 |
53.9 |
75 |
N |
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Remarks |
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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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** 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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