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

02-Mar-10

13:48

14:18

Fine

75

77

73

Mobile cranes and excavators

Traffic noise

-

24

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

08-Mar-10

13:45

14:15

Cloudy

75

76

73

Mobile cranes and excavators

Traffic Noise

-

15

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

19-Mar-10

14:07

14:37

Sunny

75

76

73

Mobile cranes movement, welding and excavators

Traffic Noise

-

21

1.2

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

25-Mar-10

13:18

13:48

Sunny

75

76

73

Mobile cranes and excavators

Traffic Noise, Aircraft Noise

-

17

1.2

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

31-Mar-10

14:00

14:30

Sunny

75

76

73

Mobile cranes and excavators

Traffic Noise

-

22

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

Min.

75

Max.

75