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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2-Feb-07 |
Sunny |
10:00 |
61.5 |
70.0 |
68.5 |
72.1 |
*Note |
75 |
N |
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8-Feb-07 |
Sunny |
8:55 |
63.5 |
70.0 |
68.5 |
72.1 |
*Note |
75 |
N |
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14-Feb-07 |
Sunny |
9:50 |
63.2 |
69.8 |
67.5 |
72.1 |
*Note |
75 |
N |
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22-Feb-07 |
Sunny |
9:04 |
63.5 |
70.0 |
68.5 |
72.1 |
*Note |
75 |
N |
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26-Feb-07 |
Sunny |
13:00 |
63.0 |
71.5 |
68.5 |
72.1 |
*Note |
75 |
N |
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Min |
61.5 |
69.8 |
67.5 |
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Max |
63.5 |
71.5 |
68.5 |
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Average |
63.0 |
70.3 |
68.3 |
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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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2-Feb-07 |
Sunny |
9:50 |
63.7 |
72.4 |
69.0 |
70.7 |
*Note |
70 |
N |
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8-Feb-07 |
Sunny |
8:49 |
64.0 |
72.4 |
69.3 |
70.7 |
*Note |
70 |
N |
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14-Feb-07 |
Sunny |
10:00 |
63.0 |
70.0 |
68.7 |
70.7 |
*Note |
70 |
N |
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22-Feb-07 |
Sunny |
8:55 |
64.2 |
71.7 |
69.0 |
70.7 |
*Note |
70 |
N |
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26-Feb-07 |
Sunny |
13:10 |
62.5 |
72.0 |
68.9 |
70.7 |
*Note |
70 |
N |
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Min |
62.5 |
70.0 |
68.7 |
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Max |
64.2 |
72.4 |
69.3 |
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Average |
63.5 |
71.8 |
69.0 |
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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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2-Feb-07 |
Sunny |
9:00 |
61.0 |
65.0 |
63.5 |
67.5 |
*Note |
70 |
N |
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8-Feb-07 |
Sunny |
8:00 |
60.5 |
64.8 |
62.9 |
67.5 |
*Note |
70 |
N |
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14-Feb-07 |
Sunny |
9:30 |
60.0 |
65.0 |
63.4 |
67.5 |
*Note |
70 |
N |
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22-Feb-07 |
Sunny |
8:00 |
60.6 |
64.0 |
62.7 |
67.5 |
*Note |
70 |
N |
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26-Feb-07 |
Sunny |
13:50 |
60.0 |
64.0 |
62.5 |
67.5 |
*Note |
70 |
N |
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Min |
60.0 |
64.0 |
62.5 |
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Max |
61.0 |
65.0 |
63.5 |
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Average |
60.4 |
64.6 |
63.0 |
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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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