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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9-Mar-07 |
Sunny |
10:15 |
63.0 |
71.7 |
69.0 |
72.1 |
*Note |
75 |
N |
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15-Mar-07 |
Sunny |
9:45 |
63.0 |
69.2 |
67.6 |
72.1 |
*Note |
75 |
N |
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21-Mar-07 |
Sunny |
14:47 |
63.1 |
69.8 |
67.5 |
72.1 |
*Note |
75 |
N |
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27-Mar-07 |
Sunny |
14:00 |
62.2 |
69.8 |
67.7 |
72.1 |
*Note |
75 |
N |
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Min |
62.2 |
69.2 |
67.5 |
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Max |
63.1 |
71.7 |
69.0 |
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Average |
62.8 |
70.2 |
68.0 |
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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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9-Mar-07 |
Sunny |
10:55 |
63.5 |
70.5 |
68.0 |
70.7 |
*Note |
70 |
N |
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15-Mar-07 |
Sunny |
9:00 |
63.2 |
70.0 |
68.3 |
70.7 |
*Note |
70 |
N |
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21-Mar-07 |
Sunny |
14:10 |
63.5 |
70.0 |
68.0 |
70.7 |
*Note |
70 |
N |
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27-Mar-07 |
Sunny |
14:10 |
62.0 |
70.6 |
68.0 |
70.7 |
*Note |
70 |
N |
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Min |
62.0 |
70.0 |
68.0 |
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Max |
63.5 |
70.6 |
68.3 |
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Average |
63.1 |
70.3 |
68.1 |
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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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9-Mar-07 |
Sunny |
11:35 |
60.5 |
64.7 |
62.5 |
67.5 |
*Note |
70 |
N |
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15-Mar-07 |
Sunny |
8:10 |
57.5 |
62.1 |
60.8 |
67.5 |
*Note |
70 |
N |
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21-Mar-07 |
Sunny |
14:00 |
60.5 |
64.0 |
62.4 |
67.5 |
*Note |
70 |
N |
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27-Mar-07 |
Sunny |
15:00 |
60.5 |
64.5 |
62.8 |
67.5 |
*Note |
70 |
N |
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Min |
57.5 |
62.1 |
60.8 |
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Max |
60.5 |
64.7 |
62.8 |
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Average |
59.9 |
63.9 |
62.2 |
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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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