Restricted Hours Noise Monitoring Results -- Night time

Station M6a, Aegean Terrace

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

02-Feb-12

23:00

23:15

Cloudy

51

51

48

No major constructin works

Local traffic of Aegean Terence

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

16.0

<5

B&K 2238       S/N : 2684502

B&K 4231  S/N: 2656516

29-Feb-12

23:00

23:15

Cloudy

55

56

52

Grouting in tunnel

Local traffic of Aegean Terence

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

14.7

<5

B&K 2238       S/N : 2684502

B&K 4231  S/N: 2656516

Min.

51

Max.

55