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

04-Oct-11

10:30

11:00

Cloudy

69

71

67

No outdoor construction

Traffic Noise

-

28

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

10-Oct-11

10:30

11:00

Cloudy

69

71

67

Excavation work

Traffic Noise

-

28

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

21-Oct-11

13:10

13:40

Sunny

67

68

65

No outdoor construction

Traffic Noise

-

27

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

27-Oct-11

14:35

15:05

Sunny

67

68

65

Excavation and lifting

Traffic Noise

-

27

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

67

Max.

69