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

01-Apr-11

13:25

13:55

Sunny

72

73

71

Excavation work (near site)

Mainly traffic noise

-

21

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

07-Apr-11

13:32

14:02

Fine

73

74

72

Excavation work (near site)

Mainly traffic noise

-

22

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

13-Apr-11

10:00

10:30

Sunny

73

74

72

Welding, excavation work (near site)

Mainly traffic noise

-

23

0.7

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

19-Apr-11

13:20

13:50

Sunny

73

74

72

Excavation work, welding and lifting (near site)

Mainly traffic noise

-

24

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

26-Apr-11

11:08

11:38

Sunny

73

74

72

Excavation work

Mainly traffic noise

-

24

0.4

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

72

Max.

73