Daytime Noise Monitoring Results -- Normal weekday

Station M6a, Aegean Terrace

Date

Start Time

End Time

Weather

Noise level (dB(A)), 30 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

09-May-13

10:17

10:47

Fine

60.2

62.2

51.9

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

25.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

14-May-13

10:17

10:47

Fine

61.8

66.7

52.4

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

26.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

21-May-13

14:01

14:31

Cloudy

60.2

62.2

49.6

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

25.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

30-May-13

10:16

10:46

Sunny

64.6

68.3

57.3

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

29.3

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

Min.

60.2

Max.

64.6

Remark: Free-field measurement, +3dB correction.