Daytime Noise Monitoring Results

Station NM5

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

04-Jan-10

11:10

11:40

Sunny

71

71

71

Excavation works, Bentonite filltering work and generator

Aricraft noise and traffic noise

-

20

0.5

RION- NA31 (S/N 00410224)

RION - NC73 (S/N 10786708)

14-Jan-10

09:00

09:30

Sunny

70

71

70

Excavation works, Bentonite filltering work and generator

Aricraft noise and traffic noise

-

14.5

0.3

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

20-Jan-10

13:13

13:43

Fine

65

66

64

Bentonite filltering work and generator

Aricraft noise and traffic noise

-

21

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

26-Jan-10

14:12

14:42

Fine

65

66

64

Mobile cranes movement, generator

Aircraft noise and traffic noise

-

16

0.8

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

65

Max.

71