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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5-Aug-06 |
Sunny |
9:20 |
62.1 |
67.8 |
65.0 |
72.1 |
*Note |
75 |
N |
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11-Aug-06 |
Sunny |
9:15 |
61.9 |
67.2 |
65.0 |
72.1 |
*Note |
75 |
N |
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17-Aug-06 |
Sunny |
10:20 |
63.9 |
68.2 |
66.0 |
72.1 |
*Note |
75 |
N |
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23-Aug-06 |
Sunny |
9:10 |
63.2 |
67.8 |
65.5 |
72.1 |
*Note |
75 |
N |
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29-Aug-06 |
Sunny |
13:00 |
63.5 |
68.5 |
66.3 |
72.1 |
*Note |
75 |
N |
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Min |
61.9 |
67.2 |
65.0 |
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Max |
63.9 |
68.5 |
66.3 |
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Average |
63.0 |
67.9 |
65.6 |
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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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5-Aug-06 |
Sunny |
10:00 |
63.5 |
68.3 |
65.5 |
70.7 |
*Note |
70 |
N |
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11-Aug-06 |
Sunny |
9:55 |
61.4 |
65.6 |
63.4 |
70.7 |
*Note |
70 |
N |
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17-Aug-06 |
Sunny |
11:00 |
60.9 |
66.1 |
63.8 |
70.7 |
*Note |
70 |
N |
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23-Aug-06 |
Sunny |
9:50 |
60.5 |
66.3 |
64.3 |
70.7 |
*Note |
70 |
N |
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29-Aug-06 |
Sunny |
13:40 |
64.8 |
67.2 |
62.3 |
70.7 |
*Note |
70 |
N |
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Min |
60.5 |
65.6 |
62.3 |
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Max |
64.8 |
68.3 |
65.5 |
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Average |
62.5 |
66.8 |
64.0 |
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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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5-Aug-06 |
Sunny |
10:40 |
61.7 |
67.5 |
64.7 |
67.5 |
*Note |
70 |
N |
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11-Aug-06 |
Sunny |
10:35 |
61.7 |
66.3 |
64.1 |
67.5 |
*Note |
70 |
N |
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17-Aug-06 |
Sunny |
11:40 |
61.5 |
67.0 |
65.2 |
67.5 |
*Note |
70 |
N |
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23-Aug-06 |
Sunny |
10:30 |
61.1 |
65.7 |
63.3 |
67.5 |
*Note |
70 |
N |
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29-Aug-06 |
Sunny |
14:20 |
61.9 |
67.8 |
65.3 |
67.5 |
*Note |
70 |
N |
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Min |
61.1 |
65.7 |
63.3 |
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Max |
61.9 |
67.8 |
65.3 |
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Average |
61.6 |
66.9 |
64.6 |
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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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