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Appendix
G - Noise Monitoring Results |
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Location N5 - Garden Villa |
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(Baseline Level : 66.3 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (30-min) |
Construction Noise Level |
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L eq |
L10 |
L 90 |
L eq |
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5-Sep-06 |
16:45 |
Sunny |
67.3 |
69.5
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62.5
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60.4
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12-Sep-06 |
09:00 |
Cloudy |
70.6 |
74.5 |
67.0 |
68.6 |
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19-Sep-06 |
09:00 |
Sunny |
71.6 |
74.0 |
68.5 |
70.1 |
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25-Sep-06 |
09:15 |
Sunny |
70.6 |
72.5 |
67.0 |
68.6 |
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Average |
70.3 |
73.0 |
66.7 |
68.1 |
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Minimum |
67.3 |
69.5 |
62.5 |
60.4 |
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Maximum |
71.6 |
74.5 |
68.5 |
70.1 |
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Location N6 - Shatin Heights |
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(Baseline
Level : 70.2 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (30-min) |
Construction Noise
Level |
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L eq |
L10 |
L 90 |
L eq |
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5-Sep-06 |
15:30 |
Sunny |
66.4 |
69.0 |
62.0 |
66.4
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12-Sep-06 |
09:45 |
Cloudy |
69.4 |
71.5 |
66.5 |
69.4 |
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19-Sep-06 |
10:00 |
Sunny |
65.9 |
70.5 |
63.0 |
65.9 |
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25-Sep-06 |
09:50 |
Sunny |
68.4 |
70.0 |
64.5 |
68.4 |
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Average |
67.8 |
70.3 |
64.3 |
67.8 |
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Minimum |
65.9 |
69.0 |
62.0 |
65.9 |
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Maximum |
69.4 |
71.5 |
66.5 |
69.4 |
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Location N7 - Lau Pak Lok Secondary School |
(Baseline Level : 67.3 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (30-min) |
Construction Noise
Level |
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L eq |
L10 |
L 90 |
L eq |
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5-Sep-06 |
13:00 |
Sunny |
67.2 |
69.5
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63.5
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67.2
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12-Sep-06 |
13:15 |
Cloudy |
69.0 |
72.5 |
67.0 |
64.1 |
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19-Sep-06 |
13:20 |
Sunny |
64.9 |
67.5 |
63.5 |
64.9 |
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25-Sep-06 |
13:00 |
Sunny |
68.7 |
70.5 |
65.5 |
63.1 |
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Average |
67.7 |
70.4 |
65.1 |
65.1 |
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Minimum |
64.9 |
67.5 |
63.5 |
63.1 |
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Maximum |
69.0 |
72.5 |
67.0 |
67.2 |
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Location N8 - Tin Sam Tsuen |
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(Baseline Level : 72.0 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (30-min) |
Construction Noise
Level |
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L eq |
L10 |
L 90 |
L eq |
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5-Sep-06 |
11:25 |
Sunny |
68.4 |
70.0 |
64.5
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68.4
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12-Sep-06 |
14:10 |
Cloudy |
69.7 |
72.5 |
65.5 |
69.7 |
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19-Sep-06 |
14:10 |
Sunny |
68.2 |
70.5 |
64.5 |
68.2 |
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25-Sep-06 |
15:00 |
Sunny |
66.5 |
68.5 |
62.0 |
66.5 |
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Average |
68.3 |
70.6 |
64.3 |
68.3 |
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Minimum |
66.5 |
68.5 |
62.0 |
66.5 |
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Maximum |
69.7 |
72.5 |
65.5 |
69.7 |
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# Construction Noise
Level = Measured Noise Level - Baseline Noise Level (or equal to measured
noise level when less than baseline) |
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Restricted Hours# - Noise Monitoring Results |
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Location N5 - Garden Villa |
(Baseline
Level : 60.0 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (5-min) |
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L eq |
L10 |
L 90 |
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3-Sep-06 |
10:00 |
Cloudy |
57.4 |
61.0 |
53.0 |
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10:05 |
57.6 |
61.5 |
53.5 |
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10:10 |
57.7 |
61.5 |
53.5 |
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5-Sep-06 |
19:00 |
Cloudy |
59.1 |
61.5 |
57.0 |
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19:05 |
58.6 |
61.0 |
56.0 |
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19:10 |
59.4 |
61.5 |
57.0 |
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10-Sep-06 |
09:30 |
Cloudy |
56.9 |
60.0 |
53.0 |
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09:35 |
57.3 |
61.0 |
53.5 |
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09:40 |
57.1 |
61.0 |
53.5 |
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12-Sep-06 |
19:00 |
Cloudy |
58.4 |
61.0 |
56.0 |
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19:05 |
58.7 |
62.5 |
56.0 |
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19:10 |
58.3 |
61.0 |
55.5 |
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17-Sep-06 |
10:00 |
Sunny |
57.6 |
60.5 |
52.5 |
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10:05 |
57.8 |
60.5 |
53.0 |
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10:10 |
57.5 |
60.5 |
53.0 |
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19-Sep-06 |
19:45 |
Cloudy |
57.6 |
60.5 |
54.5 |
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19:50 |
58.0 |
60.5 |
54.5 |
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19:55 |
57.5 |
60.5 |
54.0 |
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24-Sep-06 |
10:15 |
Cloudy |
57.6 |
60.0 |
53.0 |
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10:20 |
57.9 |
61.5 |
53.5 |
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10:25 |
57.9 |
61.5 |
53.5 |
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25-Sep-06 |
19:00 |
Cloudy |
57.4 |
60.5 |
53.5 |
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19:05 |
57.6 |
60.5 |
54.0 |
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19:10 |
57.7 |
60.5 |
54.0 |
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Average |
57.9 |
61.0 |
54.4 |
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Minimum |
56.9 |
60.0 |
52.5 |
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Maximum |
59.4 |
62.5 |
57.0 |
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# Remarks: |
-
07:00 - 23:00 hrs holidays & 19:00 - 23:00 hrs on all other days |
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- 23:00 - 07:00 of next day |
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Restricted Hours# - Noise Monitoring Results |
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Location N6 - Shatin Heights |
(Baseline
Level : 65.0 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (5-min) |
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L eq |
L10 |
L 90 |
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5-Sep-06 |
19:55 |
Cloudy |
56.6 |
59.0 |
50.5 |
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20:00 |
55.7 |
57.0 |
50.0 |
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20:05 |
56.3 |
58.0 |
51.5 |
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12-Sep-06 |
19:45 |
Cloudy |
56.4 |
58.5 |
53.5 |
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19:50 |
55.9 |
58.5 |
53.0 |
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19:55 |
56.8 |
59.0 |
53.5 |
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19-Sep-06 |
19:00 |
Cloudy |
57.8 |
59.0 |
54.5 |
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19:05 |
57.1 |
59.0 |
54.0 |
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19:10 |
57.2 |
58.5 |
54.0 |
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25-Sep-06 |
19:50 |
Cloudy |
57.8 |
61.5 |
54.5 |
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19:55 |
58.0 |
62.0 |
55.0 |
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20:00 |
58.1 |
62.0 |
55.0 |
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Average |
57.0 |
59.6 |
53.5 |
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Minimum |
55.7 |
57.0 |
50.0 |
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Maximum |
55.7 |
57.0 |
50.0 |
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# Remarks: |
- 19:00 to 23:00 on normal
weekdays |
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Restricted Hours# - Noise Monitoring Results |
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Location N5 - Garden Villa |
(Baseline
Level : 50.6 ~ 67.1 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (5-min) |
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L eq |
L10 |
L 90 |
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5-Sep-06 |
23:00 |
Cloudy |
54.6 |
59.0 |
50.5 |
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23:05 |
54.2 |
58.0 |
50.5 |
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23:10 |
54.6 |
59.0 |
50.5 |
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12-Sep-06 |
23:00 |
Cloudy |
54.7 |
58.5 |
51.0 |
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23:05 |
54.5 |
58.5 |
50.5 |
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23:10 |
54.3 |
58.0 |
50.5 |
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19-Sep-06 |
23:00 |
Cloudy |
54.6 |
58.0 |
51.0 |
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23:05 |
54.2 |
58.0 |
51.0 |
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23:10 |
54.4 |
58.0 |
50.5 |
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25-Sep-06 |
23:00 |
Cloudy |
54.8 |
57.5 |
51.0 |
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23:05 |
54.7 |
58.5 |
51.5 |
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23:10 |
54.8 |
57.0 |
51.0 |
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Average |
54.5 |
58.2 |
50.8 |
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Minimum |
54.2 |
57.0 |
50.5 |
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Maximum |
54.8 |
59.0 |
51.5 |
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# Remarks: |
- 23:00 to 07:00 on normal
weekdays |
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-The
noise monitoring results are well within the range of Baseline Monitoring
Level and there is no evidence showing that the dominant noise was generated
from the construction activities. |
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Restricted Hours# - Noise Monitoring Results |
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Location N6 - Shatin Heights |
(Baseline
Level : 52.4 ~ 68.9 dB(A) ) |
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Date |
Time |
Weather |
dB (A) (5-min) |
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L eq |
L10 |
L 90 |
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5-Sep-06 |
23:00 |
Cloudy |
57.4 |
61.0 |
53.0 |
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23:05 |
57.6 |
61.0 |
53.5 |
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23:10 |
57.3 |
61.0 |
53.0 |
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12-Sep-06 |
23:05 |
Cloudy |
57.2 |
61.5 |
53.0 |
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23:10 |
57.6 |
61.5 |
53.0 |
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23:15 |
57.4 |
61.0 |
53.0 |
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19-Sep-06 |
23:00 |
Cloudy |
57.3 |
61.5 |
53.0 |
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23:05 |
56.9 |
61.0 |
53.5 |
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23:10 |
57.4 |
61.0 |
53.0 |
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25-Sep-06 |
23:10 |
Cloudy |
57.6 |
61.0 |
53.0 |
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23:15 |
57.4 |
61.0 |
53.0 |
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23:20 |
57.7 |
61.0 |
53.5 |
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Average |
57.4 |
61.1 |
53.1 |
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Minimum |
56.9 |
61.0 |
53.0 |
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Maximum |
57.7 |
61.5 |
53.5 |
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# Remarks: |
- 23:00 to 07:00 on normal
weekdays |
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-The
noise monitoring results are well within the range of Baseline Monitoring
Level and there is no evidence showing that the dominant noise was generated
from the construction activities. |
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