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-Feb-10

10:57

11:27

Sunny

67

68

66

Mobile cranes, generator

Traffic noise, aircraft noise

-

22

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

11-Feb-10

13:13

13:43

Sunny

63

64

62

Mobile cranes, generator

Traffic noise, aircraft noise

-

13

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

17-Feb-10

13:10

13:40

Rainy

64

65

63

Mobile cranes, generator, excavator

Traffic noise

-

11

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

23-Feb-10

11:10

11:40

Fine

70

71

70

Mobile cranes, generator, excavator

Traffic noise, aircraft noise

-

22

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

63

Max.

70