| Restricted Hours Noise Monitoring Results |
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| Station NM5 |
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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 |
Temp. (°C) |
Wind Speed (m/s) |
Noise Meter Model / ID |
Calibrator Model / ID |
| Leq |
L10 |
L90 |
| 04-Jul-10 |
10:15 |
10:20 |
Sunny |
66 |
68 |
65 |
Mobile
cranes movement, generator, excavator |
Traffic
Noise |
- |
32 |
0.3 |
RION- NA27 (S/N 00201194) |
RION - NC73 (S/N 10786708) |
| 10:20 |
10:25 |
Sunny |
66 |
67 |
65 |
- |
| 10:25 |
10:30 |
Sunny |
66 |
67 |
65 |
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| 10:15 |
10:30 |
Sunny |
66 |
67 |
65 |
Average results during 15 min monitoring |
| 11-Jul-10 |
10:18 |
10:23 |
Sunny |
68 |
69 |
67 |
Mobile cranes
movemnt, Generator, excavator |
Traffic Noise |
- |
33 |
0.3 |
RION- NL31 (S/N 00410224) |
B&K4231 (S/N 2699361) |
| 10:23 |
10:28 |
Sunny |
68 |
69 |
67 |
- |
| 10:28 |
10:33 |
Sunny |
68 |
69 |
67 |
- |
| 10:18 |
10:33 |
Sunny |
68 |
69 |
67 |
Average results during 15 min monitoring |
| 18-Jul-10 |
13:55 |
14:00 |
Sunny |
65 |
66 |
64 |
Mobile
cranes movemnt, Generator |
Traffic Noise |
- |
31 |
0.3 |
RION- NL31 (S/N 00320533) |
RION - NC73 (S/N 10786708) |
| 14:00 |
14:05 |
Sunny |
65 |
66 |
64 |
- |
| 14:05 |
14:10 |
Sunny |
65 |
66 |
64 |
- |
| 13:55 |
14:10 |
Sunny |
65 |
66 |
64 |
Average results during 15 min monitoring |
| 25-Jul-10 |
10:12 |
10:17 |
Sunny |
68 |
69 |
67 |
Mobile
cranes movemnt, Generator |
Traffic Noise |
- |
31 |
0.5 |
RION- NL31 (S/N 00320533) |
RION - NC73 (S/N 10786708) |
| 10:17 |
10:22 |
Sunny |
68 |
68 |
67 |
- |
| 10:22 |
10:27 |
Sunny |
68 |
69 |
67 |
- |
| 10:12 |
10:27 |
Sunny |
68 |
69 |
67 |
Average results during 15 min monitoring |
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RION- NA27 (S/N 00201194) |
RION - NC73 (S/N 10786708) |
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- |
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RION- NA27 (S/N 00201194) |
RION - NC73 (S/N 10786708) |
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Min. |
65 |
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Max. |
68 |
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