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

06-Aug-10

08:23

08:53

Sunny

69

71

67

Crawler cranes

Traffic Noise

-

29

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

12-Aug-10

09:30

10:00

Fine

69

70

67

Crawler cranes

Traffic Noise

-

30

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

18-Aug-10

10:23

10:53

Sunny

69

70

66

Crawler Crane

Traffic Noise

-

28

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

24-Aug-10

08:20

08:50

Cloudy

69

71

68

Crawler Crane

Traffic Noise

-

27

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

30-Aug-10

10:25

10:55

Sunny

70

71

67

Crawler Crane

Traffic noise

-

31

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

69

Max.

70