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-Nov-11

14:30

15:00

Sunny

68

69

66

Excavation

Traffic Noise

-

27

0.4

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

08-Nov-11

14:30

15:00

Cloudy

68

69

66

Excavation work

Traffic Noise

-

24

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

14-Nov-11

10:25

10:55

Fine

68

69

66

No outdoor construction

Traffic Noise

-

24

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

25-Nov-11

10:25

10:55

Fine

68

69

66

Excavation

Traffic Noise

-

24

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

68

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