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-May-11

13:24

13:54

Fine

75

76

73

Excavation work

Mainly traffic noise

-

27

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

12-May-11

09:20

09:50

Sunny

75

77

73

Hand held breaker

Mainly traffic noise

-

30

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

18-May-11

09:33

10:03

Sunny

75

76

73

-

Mainly traffic noise

-

25

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

24-May-11

09:20

09:50

Cloudy

74

76

73

-

Mainly traffic noise

-

22

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

30-May-11

09:35

10:05

Sunny

75

76

73

Lifting

Mainly traffic noise

-

26

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

74

Max.

75