Daytime Noise Monitoring Results

Station NM3

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

09:28

09:58

Sunny

75

76

73

Excavator work, crawler cranes

Traffic noise

-

29

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

12-Aug-10

08:25

08:55

Fine

75

77

73

Two crawler cranes

Traffic noise

-

30

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

18-Aug-10

09:20

09:50

Sunny

75

76

73

Crawler Crane, breaker

Traffic noise

-

28

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

24-Aug-10

09:25

09:55

Cloudy

75

77

73

Crawler Crane, breaker

Traffic noise

-

27

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

30-Aug-10

09:20

09:50

Sunny

74

76

73

Crawler Crane

Traffic noise

-

31

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

74

Max.

75