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

07-Apr-10

11:00

11:30

Rainy

67

67

66

Mobile cranes movement, generator

Traffic Noise

-

19

1.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

13-Apr-10

13:10

13:40

Fine

66

66

65

Mobile cranes movement, generator

Traffic Noise, Aircraft Noise

-

26

0.8

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

19-Apr-10

13:05

13:35

Fine

63

64

61

Mobile cranes movement, generator, excavator

Traffic Noise

-

23

0.7

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

29-Apr-10

11:07

11:37

Cloudy

68

69

67

Mobile cranes movement, generator, excavator

Traffic Noise

-

21

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

63

Max.

68