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

04-Oct-12

13:16

13:46

Sunny

62

63

60

Drill rig, excavator, Dump truck

Traffic Noise

-

28

0.7

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

09-Oct-12

11:05

11:35

Sunny

63

65

59

Drill rig, excavator, Dump truck

Traffic Noise

-

29

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

15-Oct-12

11:02

11:32

Sunny

60

61

58

Drill rig, excavator, Dump truck

Traffic noise and aircraft noise

-

28

0.3

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

25-Oct-12

11:00

11:30

Sunny

62

63

61

Drill rig, excavator, Dump truck

Traffic noise and aircraft noise

-

27

0.6

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

31-Oct-12

10:08

10:38

Cloudy

66

67

64

Drill rig, excavator and dump truck

Traffic noise and aircraft noise

-

26

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

Min.

60

Max.

66