Daytime Noise Monitoring Results

Station NM4

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-Dec-11

10:28

10:58

Fine

67

69

66

Excavation

Traffic Noise

-

20

0.6

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

07-Dec-11

09:20

09:50

Fine

68

70

67

Excavator, Lifting

Traffic Noise

-

18

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

13-Dec-11

14:45

15:15

Sunny

68

69

67

No outdoor construction

Traffic Noise

-

20

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

19-Dec-11

10:28

10:58

Sunny

70

71

68

-

Traffic Noise

-

18

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

30-Dec-11

14:15

14:45

Sunny

69

70

67

Excavation

Traffic Noise

-

18

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

67

Max.

70