Daytime Noise Monitoring Results

Station NM5

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

05-Dec-11

14:12

14:42

Cloudy

63

66

60

Drill rig, Excavator and Dump truck

Traffic Noise

-

20

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

15-Dec-11

13:18

13:48

Sunny

63

64

61

Drill rig, Welding mechine

Traffic noise & Aircraft noise

-

20

0.8

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

21-Dec-11

13:20

13:50

Fine

62

64

60

Drill rig, Welding mechine

Traffic noise & Aircraft noise

-

20

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

29-Dec-11

15:00

15:30

Sunny

62

64

61

Concrete lorry mixer, Drill rig, Excavator

Traffic noise & Aircraft noise

-

19

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

62

Max.

63