Daytime Noise Monitoring Results

Station NM4

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

01-Apr-11

10:23

10:53

Sunny

69

70

67

Lifting, excavation work

Mainly traffic noise

-

21

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

07-Apr-11

10:30

11:00

Fine

69

71

67

Lifting, excavation work

Mainly traffic noise

-

22

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

13-Apr-11

14:22

14:52

Sunny

70

72

67

Lifting, excavation work

Mainly traffic noise

-

23

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

19-Apr-11

10:25

10:55

Sunny

68

69

66

Lifting, excavation work

Mainly traffic noise

-

24

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

26-Apr-11

15:10

15:40

Sunny

68

69

65

Lifting

Mainly traffic noise

-

24

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

68

Max.

70