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-Jul-10

13:18

13:48

Sunny

67

69

66

Mobile cranes movement, generator and excavator

Traffic Noise

-

31

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

15-Jul-10

13:57

14:27

Cloudy

71

72

70

Mobile cranes movement, generator and excavator

Traffic Noise

-

30

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

21-Jul-10

09:18

09:48

Rainy

66

66

65

Mobile cranes movement, generator and excavator

Traffic Noise

-

28

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

27-Jul-10

10:15

10:45

Cloudy

69

70

68

Mobile cranes movement, generator and excavator

Traffic Noise

-

29

0.2

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

66

Max.

71