Appendix G Noise Monitoring Results |
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Daytime
Noise Monitoring Results at Station NMC1 |
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Date |
Weather Condition |
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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Time |
L90 |
L10 |
Leq |
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7-Dec-07 |
Sunny |
13:25 |
60.1 |
66.9 |
63.3 |
72.1 |
*Note |
75 |
N |
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13-Dec-07 |
Sunny |
13:35 |
59.9 |
66.7 |
63.3 |
72.1 |
*Note |
75 |
N |
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19-Dec-07 |
Sunny |
14:05 |
59.0 |
67.5 |
64.2 |
72.1 |
*Note |
75 |
N |
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24-Dec-07 |
Fine |
10:00 |
59.9 |
66.7 |
63.4 |
72.1 |
*Note |
75 |
N |
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31-Dec-07 |
Sunny |
9;0 |
58.8 |
66.4 |
63.1 |
72.1 |
*Note |
75 |
N |
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Min |
58.8 |
66.4 |
63.1 |
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Max |
60.1 |
67.5 |
64.2 |
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Average |
59.8 |
66.9 |
63.5 |
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Daytime
Noise Monitoring Results at Station NMC2 |
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Date |
Weather Condition |
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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Time |
L90 |
L10 |
Leq |
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7-Dec-07 |
Sunny |
14;10 |
59.7 |
66.0 |
62.8 |
70.7 |
*Note |
70 |
N |
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13-Dec-07 |
Sunny |
14:20 |
59.5 |
65.9 |
62.7 |
70.7 |
*Note |
70 |
N |
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19-Dec-07 |
Sunny |
15:00 |
58.1 |
65.4 |
62.2 |
70.7 |
*Note |
70 |
N |
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24-Dec-07 |
Fine |
10:45 |
58.0 |
66.0 |
62.8 |
70.7 |
*Note |
70 |
N |
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31-Dec-07 |
Sunny |
9:45 |
58.0 |
65.2 |
62.0 |
70.7 |
*Note |
70 |
N |
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Min |
58.0 |
65.2 |
62.0 |
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Max |
59.7 |
66.0 |
62.8 |
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Average |
59.0 |
65.8 |
62.6 |
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Daytime
Noise Monitoring Results at Station NMC3 |
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Date |
Weather Condition |
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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Time |
L90 |
L10 |
Leq |
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7-Dec-07 |
Sunny |
15:00 |
59.5 |
65.3 |
62.1 |
67.5 |
*Note |
70 |
N |
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13-Dec-07 |
Sunny |
15:05 |
59.0 |
65.7 |
62.4 |
67.5 |
*Note |
70 |
N |
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19-Dec-07 |
Sunny |
15:45 |
58.5 |
65.6 |
62.4 |
67.5 |
*Note |
70 |
N |
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24-Dec-07 |
Fine |
11:25 |
57.6 |
65.5 |
62.4 |
67.5 |
*Note |
70 |
N |
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31-Dec-07 |
Sunny |
10:35 |
58.2 |
65.5 |
62.3 |
67.5 |
*Note |
70 |
N |
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Min |
57.6 |
65.3 |
62.1 |
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Max |
59.5 |
65.7 |
62.4 |
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Average |
58.8 |
65.6 |
62.3 |
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+ - Façade
measurement |
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Bold
& Italic value indicated an Limit level exceedance |
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Note:
Measured noise level is less than the baseline noise level. |
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