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

02-Jul-13

15:20

15:50

Sunny

54.6

55.1

50.8

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

29.4

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

09-Jul-13

14:02

14:32

Sunny

56.6

57.7

53.4

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

29.0

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

15-Jul-13

10:44

11:14

Cloudy

58.2

59.2

53.8

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

26.0

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

24-Jul-13

15:16

15:46

Cloudy

57.1

58.2

53.2

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

26.0

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

31-Jul-13

10:40

11:10

Sunny

58.5

59.7

54.7

Tunnel works and operation of concrete pump

N.A

Free-field measurement, +3dB correction.

29.4

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

Min.

54.6

Max.

58.5

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