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

05-May-10

11:16

11:46

Fine

69

70

68

Mobile cranes movement, generator and dump truck

Traffic Noise, Aircraft Noise

-

22

0.3

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

11-May-10

13:10

13:40

Fine

67

68

66

Mobile cranes movement, excavator and generator

Traffic Noise, Aircraft Noise

-

25

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

17-May-10

11:10

11:40

Sunny

67

68

66

Mobile cranes movement, generator, excavator

Traffic Noise

-

28

0.8

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

26-May-10

09:30

10:00

Sunny

66

66

65

Mobile cranes movement, generator, excavator and dump truck

Traffic Noise

-

29

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

66

Max.

69