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-Aug-12

10:24

10:54

Sunny

56

57

52

Operation of gantry and mucking

N.A

Free-field measurement, +3dB correction.

32

<5

B&K 2238   S/N : 2385180

B&K 4231  S/N: 2656516

08-Aug-12

10:26

10:56

Sunny

58

59

57

Operation of gantry and mucking

N.A

Free-field measurement, +3dB correction.

31

<5

B&K 2238   S/N : 2385180

B&K 4231  S/N: 2656516

14-Aug-12

14:31

15:01

Sunny

55

57

52

Operation of excavator

N.A

Free-field measurement, +3dB correction.

28

<5

B&K 2238   S/N : 2385180

B&K 4231  S/N: 2656516

20-Aug-12

10:11

10:41

Sunny

58

59

52

Blasting

N.A

Free-field measurement, +3dB correction.

30

<5

B&K 2238   S/N : 2385180

B&K 4231  S/N: 3003246

30-Aug-12

10:16

10:46

Sunny

56

58

52

Rock out

N.A

Free-field measurement, +3dB correction.

30

<5

B&K 2238   S/N : 2385180

B&K 4231  S/N: 3003246

00-Jan-00

-

-

-

-

-

-

-

-

-

-

-

-

-

Min.

55

Max.

58

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