Daytime Noise Monitoring Results

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

07-Jan-14

15:17

15:47

Fine

51

54

46

Tunnel works

N.A

Free-field measurement, +3dB correction.

18

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

14-Jan-14

10:36

11:06

Fine

53

55

48

Tunnel works

N.A

Free-field measurement, +3dB correction.

13

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

20-Jan-14

16:17

16:47

Fine

57

58

54

Lining works

N.A

Free-field measurement, +3dB correction.

16

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

28-Jan-14

14:20

14:50

Fine

55

56

51

Lining works

N.A

Free-field measurement, +3dB correction.

17

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

Min

51

Max

57

Average

54