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

02-Mar-12

13:05

13:35

Cloudy

66

68

65

-

Traffic Noise

-

16.0

1.0

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

08-Mar-12

09:21

09:51

Cloudy

67

68

65

-

Traffic Noise

-

16.0

0.9

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

14-Mar-12

14:10

14:40

Cloudy

68

70

65

No outdoor construction

Traffic Noise

-

15.0

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

20-Mar-12

10:23

10:53

Fine

67

68

65

-

Traffic Noise

-

20.0

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

26-Mar-12

14:25

14:55

Sunny

68

69

66

-

Traffic Noise

-

22.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

66

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