Daytime Noise Monitoring Results -- Normal weekday

Station M3, Kwan Yick building(*)

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-Apr-12

13:10

13:40

Cloudy

68

69

65

-

Traffic Noise

-

22

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

11-Apr-12

10:22

10:52

Cloudy

67

68

65

-

Traffic Noise

-

22

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

17-Apr-12

11:22

11:52

Cloudy

67

69

65

No outdoor construction

Traffic Noise

-

22

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

23-Apr-12

14:45

15:15

Cloudy

67

69

65

No outdoor construction

Traffic Noise

-

22

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

67

Max.

68

Remark: (*): The data were provided by Contract No. DC/2007/23. Calibration certificates for the noise meter(s) and calibrator(s) used were included in the corresponding Monthly EM&A Report for this Contract