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-Mar-10

14:20

14:50

Cloudy

69

70

68

Mobile cranes movement, generator and excavator

Traffic Noise

-

22

0.8

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

11-Mar-10

09:20

09:50

Fine

66

67

66

Mobile cranes movement, generator and desander

Traffic Noise

-

20

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

17-Mar-10

16:05

16:35

Fine

64

65

63

Mobile cranes movement, generator, excavator

Traffic Noise

-

19

0.3

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

23-Mar-10

11:10

11:40

Fine

65

66

64

Mobile cranes movement, generator, dump truck

Traffic Noise, Aircraft Noise

-

23

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

29-Mar-10

14:20

14:50

Fine

70

71

70

Mobile cranes movement, generator

Traffic Noise, Aircraft Noise

-

23

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

64

Max.

70