Restricted Hours Noise Monitoring Results [1] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Station NM1 |
|
|
|
|
|
|
|
|
|
|
|
|
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 |
13-Feb-11 |
15:40 |
15:45 |
Trace Rain |
66 |
68 |
61 |
Noise from
traffic pass-by and nearby playground |
Traffic noise |
- |
12 |
0.6 |
RION- NL31 (S/N
00983400) |
RION - NC73 (S/N
10997142) |
15:45 |
15:50 |
Trace Rain |
66 |
68 |
61 |
- |
15:50 |
15:55 |
Trace Rain |
67 |
68 |
62 |
- |
15:40 |
15:55 |
Trace Rain |
66 |
68 |
61 |
- |
18-Feb-11 |
23:00 |
23:05 |
Fine |
62 |
64 |
58 |
- |
Mainly traffic noise |
- |
14 |
0.3 |
RION- NL31 (S/N 00983400) |
RION - NC73 (S/N 10997142) |
23:05 |
23:10 |
Fine |
61 |
64 |
58 |
- |
23:10 |
23:15 |
Fine |
62 |
63 |
58 |
- |
23:00 |
23:15 |
Fine |
62 |
64 |
58 |
- |
27-Feb-11 |
09:50 |
09:55 |
Sunny |
68 |
70 |
61 |
- |
traffic noise and nearby playground |
- |
21 |
0.2 |
RION- NL31 (S/N 00410224) |
RION - NC73 (S/N 10997142) |
09:55 |
10:00 |
Sunny |
64 |
66 |
61 |
- |
10:00 |
10:05 |
Sunny |
64 |
67 |
61 |
- |
09:50 |
10:05 |
Sunny |
66 |
68 |
61 |
- |
|
|
|
Min. |
61 |
|
|
|
|
|
|
|
|
|
|
|
|
Max. |
68 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[1]
No class was held at the school during the measurement period on 13, 18 and
27 February 2011. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|