Appendix G Noise Monitoring Results |
|
|
|
|
|
|
|
|
|
|
|
|
Daytime
Noise Monitoring Results at Station NMC1 |
|
|
|
|
|
|
|
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 |
|
|
|
4-Oct-07 |
Sunny |
14:00 |
59.9 |
67.9 |
64.3 |
72.1 |
*Note |
75 |
N |
|
|
10-Oct-07 |
Sunny |
9:30 |
60.0 |
67.2 |
63.4 |
72.1 |
*Note |
75 |
N |
|
|
16-Oct-07 |
Sunny |
13:00 |
60.0 |
66.1 |
62.8 |
72.1 |
*Note |
75 |
N |
|
|
22-Oct-07 |
Sunny |
13:00 |
59.8 |
66.6 |
63.4 |
72.1 |
*Note |
75 |
N |
|
|
|
|
Min |
59.8 |
66.1 |
62.8 |
|
|
|
|
|
|
Max |
60.0 |
67.9 |
64.3 |
|
|
|
|
|
Average |
60.0 |
67.4 |
63.6 |
|
|
|
|
|
|
|
|
Daytime
Noise Monitoring Results at Station NMC2 |
|
|
|
|
|
|
|
|
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 |
|
|
|
4-Oct-07 |
Sunny |
14:45 |
58.7 |
65.4 |
62.2 |
70.7 |
*Note |
70 |
N |
|
|
10-Oct-07 |
Sunny |
10:15 |
58.7 |
65.7 |
62.4 |
70.7 |
*Note |
70 |
N |
|
|
16-Oct-07 |
Sunny |
13:40 |
58.6 |
64.7 |
61.5 |
70.7 |
*Note |
70 |
N |
|
|
22-Oct-07 |
Sunny |
13:45 |
59.1 |
65.3 |
62.1 |
70.7 |
*Note |
70 |
N |
|
|
|
|
Min |
58.6 |
64.7 |
61.5 |
|
|
|
|
|
|
Max |
59.1 |
65.7 |
62.4 |
|
|
|
|
Average |
58.7 |
65.6 |
62.4 |
|
|
|
|
|
|
|
Daytime
Noise Monitoring Results at Station NMC3 |
|
|
|
|
|
|
|
|
|
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 |
|
|
4-Oct-07 |
Sunny |
15:30 |
58.9 |
65.7 |
62.5 |
67.5 |
*Note |
70 |
N |
|
|
10-Oct-07 |
Sunny |
11:00 |
58.5 |
65.5 |
62.3 |
67.5 |
*Note |
70 |
N |
|
|
16-Oct-07 |
Sunny |
14:25 |
58.5 |
64.5 |
61.2 |
67.5 |
*Note |
70 |
N |
|
|
22-Oct-07 |
Sunny |
14:25 |
59.4 |
65.5 |
62.3 |
67.5 |
*Note |
70 |
N |
|
|
|
|
Min |
58.5 |
64.5 |
61.2 |
|
|
|
|
|
|
Max |
59.4 |
65.7 |
62.5 |
|
|
|
|
|
|
Average |
58.6 |
65.6 |
62.4 |
|
|
|
|
|
|
|
|
|
|
+ - Façade
measurement |
|
|
|
|
Bold
& Italic value indicated an Limit level exceedance |
|
|
|
|
Note:
Measured noise level is less than the baseline noise level. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|