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

27/12/13-a

23:00

23:05

Fine

43.0

43.5

42.5

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.

13.0

<5

B&K 2238   S/N : 2800932

B&K 4231  S/N: 3003246

27/12/13-b

23:05

23:10

48.0

48.5

42.0

13.0

<5

B&K 2238   S/N : 2800932

B&K 4231  S/N: 3003246

27/12/13-c

23:10

23:15

46.8

49.5

42.5

13.0

<5

B&K 2238   S/N : 2800932

B&K 4231  S/N: 3003246

27-Dec-13

23:00

23:15

Fine

49.4

50.8

45.3

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.

13.0

<5

B&K 2238   S/N : 2800932

B&K 4231  S/N: 3003246