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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3-Oct-06 |
Fine |
10:40 |
64.0 |
69.8 |
67.0 |
72.1 |
*Note |
75 |
N |
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9-Oct-06 |
Fine |
13:45 |
63.5 |
69.4 |
67.0 |
72.1 |
*Note |
75 |
N |
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20-Oct-06 |
Sunny |
14:15 |
63.6 |
69.5 |
67.1 |
72.1 |
*Note |
75 |
N |
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26-Oct-06 |
Sunny |
8:55 |
64.4 |
72.7 |
69.0 |
72.1 |
*Note |
75 |
N |
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Min |
63.5 |
69.4 |
67.0 |
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Max |
64.4 |
72.7 |
69.0 |
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Average |
63.9 |
70.6 |
67.6 |
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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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3-Oct-06 |
Fine |
10:10 |
63.0 |
68.0 |
66.7 |
70.7 |
*Note |
70 |
N |
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9-Oct-06 |
Fine |
13:59 |
64.0 |
69.5 |
67.2 |
70.7 |
*Note |
70 |
N |
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20-Oct-06 |
Sunny |
14:55 |
63.0 |
68.0 |
66.8 |
70.7 |
*Note |
70 |
N |
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26-Oct-06 |
Sunny |
8:45 |
64.2 |
70.6 |
68.7 |
70.7 |
*Note |
70 |
N |
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Min |
63.0 |
68.0 |
66.7 |
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Max |
64.2 |
70.6 |
68.7 |
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Average |
63.6 |
69.2 |
67.4 |
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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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3-Oct-06 |
Fine |
10:00 |
57.5 |
62.5 |
60.8 |
67.5 |
*Note |
70 |
N |
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9-Oct-06 |
Fine |
14:40 |
60.6 |
65.0 |
63.5 |
67.5 |
*Note |
70 |
N |
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20-Oct-06 |
Sunny |
14:10 |
58.5 |
62.5 |
60.6 |
67.5 |
*Note |
70 |
N |
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26-Oct-06 |
Sunny |
8:00 |
60.6 |
65.5 |
63.8 |
67.5 |
*Note |
70 |
N |
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Min |
57.5 |
62.5 |
60.6 |
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Max |
60.6 |
65.5 |
63.8 |
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Average |
59.5 |
64.1 |
62.4 |
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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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