| Annex
B Raw Noise
Monitoring Data |
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| Night
time Noise Monitoring Data ( 23:00-06:59 ) |
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| Monitoring Location |
Date of Monitoring |
From |
To |
Weather |
Wind Speed (m/s) |
Noise Level, dB(A) |
Noise Source |
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| Leq
(5-min) |
L10 |
L90 |
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| Nam
Cheong Estate (NCE) |
6-Feb-03 |
23:10 |
23:25 |
Fine |
1 |
62.3 |
64.3 |
60.3 |
Traffic noise dominant |
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| 62.7 |
64.7 |
60.0 |
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| 62.1 |
64.3 |
60.1 |
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| 62.4 |
64.4 |
60.1 |
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| 12-Feb-03 |
23:01 |
23:16 |
Cloudy |
1 |
62.1 |
64.7 |
60.4 |
Traffic noise |
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| 62.0 |
64.3 |
60.3 |
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| 61.7 |
64.9 |
60.4 |
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| 62.9 |
64.6 |
60.4 |
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| 17-Feb-03 |
23:10 |
23:25 |
Cloudy |
1 |
63.3 |
65.1 |
62.0 |
Traffic noise |
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| 63.7 |
65.9 |
60.0 |
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| 63.7 |
65.8 |
60.8 |
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| 63.6 |
65.6 |
61.0 |
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| 27-Dec-02 |
23:00 |
23:15 |
Fine |
1 |
62.3 |
64.7 |
60.1 |
Traffic noise |
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| 62.6 |
65.0 |
60.7 |
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| 64.0 |
64.9 |
60.3 |
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| 63.0 |
64.9 |
60.4 |
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| 25-Feb-03 |
23:00 |
23:15 |
Cloudy |
1 |
63.8 |
64.7 |
62.1 |
Traffic noise |
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| 63.1 |
64.0 |
62.0 |
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| 63.2 |
64.0 |
62.1 |
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| 63.4 |
64.2 |
62.1 |
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26-Sep-02 |
23:07 |
23:22 |
Fine |
1 |
62.1 |
64.3 |
60.1 |
Traffic noise (dominant) |
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63.3 |
64.9 |
60.1 |
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63.0 |
64.9 |
60.1 |
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62.8 |
64.7 |
60.1 |
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| Remarks: |
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| 1)
Type of Measurement: |
Free Field - N-NCE |
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| 2)
3.0 dB(A) correction factor is applied to all free field measurements |
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| 3)
Underlined numbers are log avenge of the 3 consecutive Leq (5min) reading. |
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