Appendix
I |
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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) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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6-May-11 |
11:03 |
67.1 |
68.7 |
63.0 |
64.2 |
64.0 |
70 |
N |
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12-May-11 |
13:44 |
66.1 |
67.5 |
63.0 |
64.2 |
61.6 |
70 |
N |
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18-May-11 |
9:06 |
66.7 |
68.0 |
63.0 |
64.2 |
63.1 |
70 |
N |
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24-May-11 |
10:46 |
67.6 |
68.8 |
65.4 |
64.2 |
64.9 |
70 |
N |
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30-May-11 |
9:48 |
66.7 |
68.5 |
63.5 |
64.2 |
63.1 |
70 |
N |
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Corrected
Noise Level dB(A) |
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Average |
63.3 |
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Max |
64.9 |
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Min |
61.6 |
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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) |
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Date |
Start Time |
Leq* |
L10* |
L90* |
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6-May-11 |
14:13 |
65.8 |
67.0 |
62.5 |
68.1 |
65.8 |
75 |
N |
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12-May-11 |
10:14 |
67.5 |
63.5 |
65.0 |
68.1 |
67.5 |
75 |
N |
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18-May-11 |
11:27 |
67.4 |
69.5 |
65.5 |
68.1 |
67.4 |
75 |
N |
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24-May-11 |
13:26 |
68.7 |
70.3 |
65.8 |
68.1 |
59.8 |
75 |
N |
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30-May-11 |
10:50 |
68.5 |
71.0 |
64.5 |
68.1 |
57.9 |
75 |
N |
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Corrected
Noise Level dB(A) |
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Average |
63.7 |
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Max |
67.5 |
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Min |
57.9 |
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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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Appendix I |
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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) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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6-May-11 |
13:19 |
64.3 |
66.0 |
62.1 |
64.8 |
64.3 |
70 |
N |
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12-May-11 |
11:30 |
65.4 |
67.0 |
62.5 |
64.8 |
56.5 |
70 |
N |
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18-May-11 |
13:00 |
64.7 |
66.5 |
62.0 |
64.8 |
64.7 |
70 |
N |
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24-May-11 |
11:29 |
65.8 |
67.4 |
63.3 |
64.8 |
58.9 |
70 |
N |
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30-May-11 |
13:00 |
65.8 |
67.3 |
63.8 |
64.8 |
58.9 |
70 |
N |
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Corrected
Noise Level dB(A) |
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Average |
60.7 |
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Max |
64.7 |
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Min |
56.5 |
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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) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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6-May-11 |
15:44 |
66.3 |
67.9 |
62.8 |
67.4 |
66.3 |
75 |
N |
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12-May-11 |
14:30 |
66.8 |
69.5 |
63.0 |
67.4 |
66.8 |
75 |
N |
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18-May-11 |
14:39 |
67.2 |
69.0 |
65.0 |
64.8 |
63.5 |
75 |
N |
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24-May-11 |
11:03 |
66.2 |
67.0 |
64.5 |
67.4 |
66.2 |
75 |
N |
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30-May-11 |
13:17 |
66.2 |
68.0 |
63.0 |
67.4 |
66.2 |
75 |
N |
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Corrected
Noise Level dB(A) |
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Average |
65.8 |
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Max |
66.8 |
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Min |
63.5 |
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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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Appendix I |
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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) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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6-May-11 |
13:50 |
65.1 |
66.0 |
61.5 |
65.2 |
65.1 |
75 |
N |
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12-May-11 |
11:10 |
63.8 |
65.0 |
61.5 |
65.2 |
63.8 |
75 |
N |
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18-May-11 |
10:39 |
64.1 |
65.5 |
62.0 |
64.8 |
64.1 |
75 |
N |
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24-May-11 |
14:17 |
66.4 |
68.2 |
63.6 |
65.2 |
60.2 |
75 |
N |
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30-May-11 |
14:03 |
64.2 |
67.0 |
62.0 |
65.2 |
64.2 |
75 |
N |
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Corrected
Noise Level dB(A) |
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Average |
63.5 |
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Max |
65.1 |
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Min |
60.2 |
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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) |
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Date |
Start Time |
Leq* |
L10* |
L90* |
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6-May-11 |
14:56 |
65.0 |
66.2 |
62.6 |
64.5 |
55.4 |
70 |
N |
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12-May-11 |
10:28 |
65.0 |
66.5 |
64.0 |
64.5 |
55.4 |
70 |
N |
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18-May-11 |
13:53 |
64.7 |
66.0 |
61.5 |
64.8 |
64.7 |
70 |
N |
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24-May-11 |
13:13 |
65.3 |
66.5 |
63.5 |
64.5 |
57.6 |
70 |
N |
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30-May-11 |
11:12 |
67.2 |
69.0 |
64.0 |
64.5 |
63.9 |
70 |
N |
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Corrected
Noise Level dB(A) |
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Average |
59.4 |
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Max |
64.7 |
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Min |
55.4 |
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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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Appendix I |
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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) |
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Date |
Start Time |
Leq |
L10 |
L90 |
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6-May-11 |
10:15 |
62.3 |
64.0 |
59.5 |
61.5 |
54.6 |
75 |
N |
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12-May-11 |
13:13 |
58.8 |
60.0 |
56.5 |
64.8 |
58.8 |
75 |
N |
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18-May-11 |
9:48 |
63.9 |
65.0 |
61.5 |
61.5 |
60.2 |
75 |
N |
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24-May-11 |
10:08 |
62.4 |
64.0 |
60.5 |
61.5 |
55.1 |
75 |
N |
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30-May-11 |
10:27 |
62.8 |
64.5 |
59.0 |
61.5 |
56.9 |
75 |
N |
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Corrected
Noise Level dB(A) |
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Average |
57.1 |
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Max |
60.2 |
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Min |
54.6 |
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Remarks |
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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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