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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1-Nov-06 |
Sunny |
8:00 |
66.7 |
72.0 |
69.2 |
72.1 |
*Note |
75 |
N |
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7-Nov-06 |
Sunny |
9:47 |
64.0 |
69.9 |
67.5 |
72.1 |
*Note |
75 |
N |
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13-Nov-06 |
Fine |
9:40 |
63.8 |
71.0 |
68.5 |
72.1 |
*Note |
75 |
N |
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24-Nov-06 |
Fine |
8:55 |
64.2 |
70.6 |
68.7 |
72.1 |
*Note |
75 |
N |
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30-Nov-06 |
Fine |
9:08 |
63.5 |
69.2 |
67.8 |
72.1 |
*Note |
75 |
N |
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Min |
63.5 |
69.2 |
67.5 |
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Max |
66.7 |
72.0 |
69.2 |
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Average |
64.6 |
70.6 |
68.4 |
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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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1-Nov-06 |
Sunny |
8:00 |
64.5 |
71.2 |
68.0 |
70.7 |
*Note |
70 |
N |
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7-Nov-06 |
Sunny |
8:55 |
64.2 |
70.6 |
68.6 |
70.7 |
*Note |
70 |
N |
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13-Nov-06 |
Fine |
8:50 |
64.3 |
70.2 |
68.6 |
70.7 |
*Note |
70 |
N |
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24-Nov-06 |
Fine |
9:15 |
64.5 |
71.2 |
69.0 |
70.7 |
*Note |
70 |
N |
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30-Nov-06 |
Fine |
8:50 |
63.5 |
69.9 |
68.0 |
70.7 |
*Note |
70 |
N |
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Min |
63.5 |
69.9 |
68.0 |
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Max |
64.5 |
71.2 |
69.0 |
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Average |
64.2 |
70.7 |
68.5 |
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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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1-Nov-06 |
Sunny |
8:00 |
62.0 |
66.2 |
64.0 |
67.5 |
*Note |
70 |
N |
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7-Nov-06 |
Sunny |
8:00 |
62.0 |
66.5 |
64.2 |
67.5 |
*Note |
70 |
N |
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13-Nov-06 |
Fine |
8:00 |
60.0 |
64.5 |
62.7 |
67.5 |
*Note |
70 |
N |
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24-Nov-06 |
Fine |
8:00 |
60.0 |
64.5 |
62.7 |
67.5 |
*Note |
70 |
N |
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30-Nov-06 |
Fine |
8:00 |
58.6 |
63.2 |
61.9 |
67.5 |
*Note |
70 |
N |
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Min |
58.6 |
63.2 |
61.9 |
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Max |
62.0 |
66.5 |
64.2 |
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Average |
60.7 |
65.1 |
63.2 |
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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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