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) |
Time |
L90 |
L10 |
Leq |
2-Nov-07 |
Sunny |
13:00 |
60.6 |
67.8 |
65.0 |
72.1 |
*Note |
75 |
N |
8-Nov-07 |
Sunny |
13:30 |
60.2 |
66.8 |
63.2 |
72.1 |
*Note |
75 |
N |
14-Nov-07 |
Sunny |
13:30 |
59.8 |
66.0 |
62.8 |
72.1 |
*Note |
75 |
N |
20-Nov-07 |
Sunny |
13:40 |
60.5 |
66.7 |
63.4 |
72.1 |
*Note |
75 |
N |
26-Nov-07 |
Sunny |
13:30 |
60.7 |
67.9 |
64.6 |
72.1 |
*Note |
75 |
N |
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Min |
59.8 |
66.0 |
62.8 |
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Max |
60.7 |
67.9 |
65.0 |
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Average |
60.3 |
66.9 |
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) |
Time |
L90 |
L10 |
Leq |
2-Nov-07 |
Sunny |
13:50 |
59.8 |
66.4 |
63.5 |
70.7 |
*Note |
70 |
N |
8-Nov-07 |
Sunny |
14:20 |
59.0 |
65.7 |
62.2 |
70.7 |
*Note |
70 |
N |
14-Nov-07 |
Sunny |
14:15 |
58.6 |
64.7 |
61.4 |
70.7 |
*Note |
70 |
N |
20-Nov-07 |
Sunny |
14:30 |
59.7 |
65.0 |
62.8 |
70.7 |
*Note |
70 |
N |
26-Nov-07 |
Sunny |
14:20 |
59.7 |
65.8 |
62.5 |
70.7 |
*Note |
70 |
N |
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Min |
58.6 |
64.7 |
61.4 |
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Max |
59.8 |
66.4 |
63.5 |
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Average |
59.2 |
65.5 |
62.5 |
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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) |
Time |
L90 |
L10 |
Leq |
2-Nov-07 |
Sunny |
14:40 |
59.6 |
66.1 |
63.0 |
67.5 |
*Note |
70 |
N |
8-Nov-07 |
Sunny |
15:10 |
58.8 |
65.2 |
61.9 |
67.5 |
*Note |
70 |
N |
14-Nov-07 |
Sunny |
15:00 |
58.8 |
65.2 |
62.0 |
67.5 |
*Note |
70 |
N |
20-Nov-07 |
Sunny |
15:20 |
59.5 |
64.7 |
62.4 |
67.5 |
*Note |
70 |
N |
26-Nov-07 |
Sunny |
15:10 |
59.9 |
65.9 |
62.7 |
67.5 |
*Note |
70 |
N |
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Min |
58.8 |
64.7 |
61.9 |
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Max |
59.9 |
66.1 |
63.0 |
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Average |
59.1 |
65.3 |
62.3 |
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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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