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

01-Nov-11

13:10

13:40

Sunny

62

64

60

Drill rig

Traffic Noise

-

23

0.7

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

07-Nov-11

13:50

14:20

Fine

62

63

61

Drill rig, Excavator

Traffic noise & Aircraft noise

-

24

1.2

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

17-Nov-11

13:40

14:10

Fine

63

64

62

Drill rig

Traffic noise & Aircraft noise

-

23

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

23-Nov-11

13:15

13:45

Cloudy

63

65

61

Drill rig, welding mechine, dump truck

Traffic noise & Aircraft noise

-

21

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

29-Nov-11

14:10

14:40

Sunny

62

64

60

Drill rig

Traffic noise & Aircraft noise

-

23

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

62

Max.

63