Night time Noise Monitoring Results

Station M6a, Aegean Terrace

Date

Start Time

End Time

Weather

Noise level (dB(A))

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

22/05/14-a

23:00

23:05

Fine

49

50

47

Works inside tunnel

Local traffics of Aegean Terence

According to contractor, general construction works was in process accordance to CNP. Free-field measurement, +3dB correction.

29.1

<5

B&K 2238   S/N : 2808432

B&K 4231  S/N: 3004068

22/05/14-b

23:05

23:10

48

50

46

22/05/14-c

23:10

23:15

48

49

47

22-May-14

23:00

23:15

Fine

51

53

49

Works inside tunnel

Local traffic of Aegean Terence

According to contractor, general construction works was in process accordance to CNP. Free-field measurement, +3dB correction.

29.1

<5

B&K 2238   S/N : 2808432

B&K 4231  S/N: 3004068

Maximum

51

Minimum

48

Average

49