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) |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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3-Feb-10 |
13:45 |
64.1 |
66.4 |
62.1 |
64.2 |
- |
70 |
N |
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9-Feb-10 |
10:35 |
66.2 |
67.9 |
63.0 |
64.2 |
61.9 |
70 |
N |
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17-Feb-10 |
13:45 |
64.6 |
67.0 |
62.2 |
64.2 |
54.0 |
70 |
N |
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26-Feb-10 |
14:00 |
66.0 |
68.8 |
63.3 |
64.2 |
61.3 |
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)* |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq* |
L10* |
L90* |
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3-Feb-10 |
10:40 |
65.0 |
67.2 |
62.1 |
68.1 |
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75 |
N |
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9-Feb-10 |
14:05 |
66.3 |
68.5 |
63.3 |
68.1 |
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75 |
N |
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17-Feb-10 |
13:50 |
65.0 |
67.2 |
61.8 |
68.1 |
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75 |
N |
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26-Feb-10 |
10:50 |
66.9 |
68.7 |
64.0 |
68.1 |
- |
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) |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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3-Feb-10 |
13:20 |
66.1 |
67.9 |
62.0 |
64.8 |
60.2 |
70 |
N |
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9-Feb-10 |
14:15 |
65.9 |
68.5 |
63.1 |
64.8 |
59.4 |
70 |
N |
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17-Feb-10 |
11:15 |
65.5 |
67.7 |
63.0 |
64.8 |
57.2 |
70 |
N |
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26-Feb-10 |
13:30 |
66.7 |
69.5 |
63.0 |
64.8 |
62.2 |
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) |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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3-Feb-10 |
14:30 |
68.3 |
70.6 |
64.8 |
67.4 |
61.0 |
75 |
N |
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9-Feb-10 |
11:30 |
68.2 |
70.1 |
64.4 |
67.4 |
60.5 |
75 |
N |
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17-Feb-10 |
13:05 |
67.9 |
69.6 |
64.9 |
67.4 |
58.3 |
75 |
N |
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26-Feb-10 |
13:05 |
69.7 |
70.9 |
64.2 |
67.4 |
65.8 |
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) |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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3-Feb-10 |
11:30 |
64.2 |
66.8 |
62.3 |
65.2 |
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75 |
N |
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9-Feb-10 |
13:05 |
64.7 |
66.9 |
62.3 |
65.2 |
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75 |
N |
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17-Feb-10 |
14:25 |
64.4 |
66.7 |
62.0 |
65.2 |
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75 |
N |
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26-Feb-10 |
10:15 |
63.7 |
65.0 |
61.5 |
65.2 |
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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)* |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq* |
L10* |
L90* |
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3-Feb-10 |
10:19 |
62.0 |
64.2 |
59.5 |
64.5 |
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70 |
N |
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9-Feb-10 |
11:20 |
66.5 |
68.2 |
64.4 |
64.5 |
62.2 |
65 |
N |
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17-Feb-10 |
13:10 |
61.9 |
63.2 |
58.5 |
64.5 |
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70 |
N |
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26-Feb-10 |
11:00 |
63.8 |
65.5 |
62.0 |
64.5 |
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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) |
Calculated Construction Noise Level, dB(A) ** |
Limit Level, dB(A) |
Exceedance (Y/N) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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3-Feb-10 |
9:35 |
60.0 |
62.1 |
55.0 |
61.5 |
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75 |
N |
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9-Feb-10 |
10:20 |
57.2 |
58.5 |
53.0 |
61.5 |
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75 |
N |
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17-Feb-10 |
10:35 |
55.5 |
57.1 |
52.3 |
61.5 |
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75 |
N |
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26-Feb-10 |
9:35 |
58.0 |
59.8 |
55.6 |
61.5 |
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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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