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-Dec-10

16:40

17:10

Sunny

60

62

59

Mobile crans movement, generator, and dump truck

Traffic Noise, aircraft noise

-

23

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

07-Dec-10

15:50

16:20

Cloudy

66

67

64

Mobile cranes movement, generator and drill rig

Traffic Noise

-

20

0.8

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

13-Dec-10

16:10

16:40

Cloudy

61

62

58

Mobile crane movemnt, generator

Aircraft noise, traffic noise

-

21

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

23-Dec-10

16:15

16:45

Sunny

63

65

61

Mobile crane movemnt, generator

Aircraft noise, traffic noise

-

20

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

29-Dec-10

15:22

15:52

Sunny

65

67

63

Mobile crans movement, generator, breaker

Aircraft noise, traffic noise

-

19

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

60

Max.

66