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

02-Mar-10

10:57

11:27

Fine

72

74

72

Excavator work, piling

Traffic Noise

-

24

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

08-Mar-10

09:00

09:30

Cloudy

74

75

73

Hand-held breakers, welding

Traffic Noise

-

15

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

19-Mar-10

11:23

11:53

Sunny

73

74

73

Excavator work

Traffic Noise

-

21

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

25-Mar-10

10:20

10:50

Sunny

73

74

72

Excavator work, breaker

Traffic Noise

-

17

1.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

31-Mar-10

11:00

11:30

Sunny

74

74

73

Excavator Work

Traffic Noise

-

22

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

Min.

72

Max.

74