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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06-Sep-07 |
Sunny |
09:00 |
60.0 |
66.9 |
63.4 |
72.1 |
*Note |
75 |
N |
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12-Sep-07 |
Sunny |
09:35 |
60.0 |
67.0 |
63.7 |
72.1 |
*Note |
75 |
N |
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17-Sep-07 |
Sunny |
13:30 |
59.6 |
66.5 |
63.1 |
72.1 |
*Note |
75 |
N |
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28-Sep-07 |
Sunny |
13:05 |
59.4 |
66.3 |
63.0 |
72.1 |
*Note |
75 |
N |
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Min |
59.4 |
66.3 |
63.0 |
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Max |
60.0 |
67.0 |
63.7 |
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Average |
60.0 |
67.0 |
63.6 |
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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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06-Sep-07 |
Sunny |
09:45 |
58.4 |
64.9 |
61.5 |
70.7 |
*Note |
70 |
N |
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12-Sep-07 |
Sunny |
10:25 |
58.6 |
64.8 |
61.5 |
70.7 |
*Note |
70 |
N |
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17-Sep-07 |
Sunny |
14:20 |
58.5 |
64.0 |
60.8 |
70.7 |
*Note |
70 |
N |
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28-Sep-07 |
Sunny |
14:00 |
59.0 |
65.7 |
62.3 |
70.7 |
*Note |
70 |
N |
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Min |
58.4 |
64.0 |
60.8 |
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Max |
59.0 |
65.7 |
62.3 |
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Average |
58.6 |
64.8 |
61.5 |
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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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06-Sep-07 |
Sunny |
10:30 |
58.5 |
65.1 |
61.9 |
67.5 |
*Note |
70 |
N |
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12-Sep-07 |
Sunny |
11:10 |
58.5 |
64.4 |
61.2 |
67.5 |
*Note |
70 |
N |
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17-Sep-07 |
Sunny |
15:05 |
58.3 |
64.2 |
60.9 |
67.5 |
*Note |
70 |
N |
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28-Sep-07 |
Sunny |
14:40 |
58.7 |
65.5 |
62.1 |
67.5 |
*Note |
70 |
N |
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Min |
58.3 |
64.2 |
60.9 |
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Max |
58.7 |
65.5 |
62.1 |
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Average |
58.5 |
64.6 |
61.4 |
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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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