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

03-Mar-11

13:22

13:52

Sunny

69

70

66

Lifting, excavation work

Mainly traffic noise

-

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

09-Mar-11

13:22

13:52

Cloudy

69

71

67

Lifting, excavation work

Mainly traffic noise

-

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

15-Mar-11

10:23

10:53

Cloudy

69

70

66

Lifting, excavation work

Mainly traffic noise

-

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

21-Mar-11

10:23

10:53

Sunny

68

69

67

Lifting, excavation work

Mainly traffic noise

-

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

Min.

68

Max.

69