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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 |
| 2-Aug-12 |
9:52 |
65.2 |
67.5 |
62.2 |
64.2 |
58.3 |
75 |
N |
| 8-Aug-12 |
14:13 |
64.1 |
66.4 |
61.2 |
64.2 |
64.1 |
75 |
N |
| 14-Aug-12 |
14:30 |
65.6 |
66.8 |
64.1 |
64.2 |
60.0 |
75 |
N |
| 20-Aug-12 |
13:06 |
66.8 |
69.2 |
63.7 |
64.2 |
63.3 |
75 |
N |
| 31-Aug-12 |
11:05 |
61.1 |
62.4 |
57.0 |
64.2 |
61.1 |
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* |
| 2-Aug-12 |
10:40 |
65.5 |
67.5 |
62.0 |
68.1 |
65.5 |
75 |
N |
| 8-Aug-12 |
13:20 |
63.9 |
66.0 |
61.6 |
68.1 |
63.9 |
75 |
N |
| 14-Aug-12 |
14:10 |
64.1 |
66.4 |
63.6 |
68.1 |
64.1 |
75 |
N |
| 20-Aug-12 |
13:42 |
65.6 |
67.4 |
62.4 |
68.1 |
65.6 |
75 |
N |
| 31-Aug-12 |
11:30 |
63.9 |
65.0 |
62.6 |
68.1 |
63.9 |
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 |
| 2-Aug-12 |
11:15 |
63.6 |
65.5 |
61.0 |
64.8 |
63.6 |
70 |
N |
| 8-Aug-12 |
11:12 |
64.2 |
67.1 |
62.0 |
64.8 |
64.2 |
70 |
N |
| 14-Aug-12 |
13:23 |
63.8 |
65.7 |
61.5 |
64.8 |
63.8 |
70 |
N |
| 20-Aug-12 |
15:02 |
66.5 |
69.0 |
62.2 |
64.8 |
61.6 |
70 |
N |
| 31-Aug-12 |
13:49 |
64.1 |
65.9 |
62.0 |
64.8 |
64.1 |
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 |
| 2-Aug-12 |
13:05 |
65.8 |
68.2 |
61.5 |
67.4 |
65.8 |
75 |
N |
| 8-Aug-12 |
11:24 |
64.7 |
67.5 |
62.5 |
67.4 |
64.7 |
75 |
N |
| 14-Aug-12 |
13:11 |
64.2 |
66.7 |
62.4 |
67.4 |
64.2 |
75 |
N |
| 20-Aug-12 |
10:20 |
65.7 |
67.8 |
61.5 |
67.4 |
65.7 |
75 |
N |
| 31-Aug-12 |
13:05 |
65.5 |
67.4 |
62.5 |
67.4 |
65.5 |
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 |
| 2-Aug-12 |
10:35 |
64.9 |
66.8 |
61.6 |
65.2 |
64.9 |
75 |
N |
| 8-Aug-12 |
13:08 |
64.2 |
65.8 |
61.2 |
65.2 |
64.2 |
75 |
N |
| 14-Aug-12 |
11:15 |
64.6 |
66.2 |
61.8 |
65.2 |
64.6 |
75 |
N |
| 20-Aug-12 |
11:40 |
65.6 |
68.5 |
62.7 |
65.2 |
55.0 |
75 |
N |
| 31-Aug-12 |
10:40 |
63.4 |
65.7 |
60.0 |
65.2 |
63.4 |
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* |
| 2-Aug-12 |
11:20 |
63.5 |
66.0 |
60.5 |
64.5 |
63.5 |
70 |
N |
| 8-Aug-12 |
10:28 |
64.5 |
66.0 |
62.6 |
64.5 |
64.5 |
70 |
N |
| 14-Aug-12 |
15:13 |
64.0 |
66.2 |
62.2 |
64.5 |
64.0 |
70 |
N |
| 20-Aug-12 |
14:20 |
66.3 |
68.8 |
62.5 |
64.5 |
61.6 |
70 |
N |
| 31-Aug-12 |
14:15 |
64.2 |
65.3 |
63.0 |
64.5 |
64.2 |
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 |
| 2-Aug-12 |
10:08 |
64.0 |
68.2 |
61.8 |
61.5 |
60.4 |
75 |
N |
| 8-Aug-12 |
10:15 |
65.8 |
67.6 |
62.4 |
61.5 |
63.8 |
75 |
N |
| 14-Aug-12 |
10:30 |
65.1 |
67.3 |
63.4 |
61.5 |
62.6 |
75 |
N |
| 20-Aug-12 |
10:58 |
64.5 |
66.9 |
61.6 |
61.5 |
61.5 |
75 |
N |
| 31-Aug-12 |
9:49 |
58.1 |
59.7 |
55.6 |
61.5 |
58.1 |
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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