| Restricted Hours Noise Monitoring Results (Evening Time) |
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| Station NM6
Customs' Marine Base (Block H of Government
Dockyard) Rooftop |
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| Date |
Start Time |
End Time |
Weather |
Noise level (dB(A)), 5 min+ |
Major Construction Noise Source(s) Observed |
Other Noise Source(s) Observed |
Remarks |
Mean Temp. (°C) |
Mean Wind Speed (m/s) |
Noise Meter Model / ID |
Calibrator Model / ID |
| Leq |
L10 |
L90 |
| 05-May-11 |
19:53 |
19:58 |
Fine |
60 |
61 |
60 |
excvation
in process |
traffic
noise from nearby pier |
- |
23.6 |
<5
m/s |
B&K
2270 |
B&K
4231 |
| 19:58 |
20:03 |
60 |
61 |
60 |
| 20:03 |
20:08 |
60 |
61 |
60 |
| 14-May-11 |
19:14 |
19:19 |
Fine |
63 |
65 |
62 |
excvation in process |
other construction site nearby; traffic noise from nearby pier |
- |
25.0 |
<5 m/s |
B&K 2250L |
B&K 4231 |
| 19:19 |
19:24 |
63 |
64 |
62 |
| 19:24 |
19:29 |
66 |
67 |
62 |
| 20-May-11 |
20:57 |
21:02 |
Fine |
62 |
63 |
62 |
excvation in process |
other construction site nearby; traffic noise
from nearby pier |
- |
27.0 |
<5 m/s |
B&K 2250L |
B&K 4231 |
| 21:02 |
21:07 |
63 |
63 |
62 |
| 21:07 |
21:12 |
63 |
63 |
62 |
| 26-May-11 |
20:57 |
21:02 |
Fine |
60 |
61 |
60 |
excvation in process |
other construction site nearby; traffic noise from nearby pier |
- |
25.5 |
<5 m/s |
B&K 2270 |
B&K 4231 |
| 21:02 |
21:07 |
60 |
61 |
59 |
| 21:07 |
21:12 |
60 |
61 |
60 |
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Min. |
60 |
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Max. |
66 |
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| + - Façade
measurement |
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