Daytime Noise Monitoring Results

Station NM2

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

13:27

13:57

Sunny

72

73

70

Crawler cranes, Excavator work

Traffic noise

-

29

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

12-Aug-10

13:28

13:58

Sunny

72

73

71

Crawler cranes, Excavator work

Traffic noise

-

30

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

18-Aug-10

14:20

14:50

Sunny

73

74

71

Crawler cranes, Excavator work

Traffic noise

-

28

0.4

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

24-Aug-10

13:25

13:55

Cloudy

74

75

72

Crawler Crane

Traffic noise

-

27

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

30-Aug-10

13:33

14:03

Sunny

72

74

71

Pre-bored piling

Traffic noise

-

31

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

72

Max.

74