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

06-May-13

13:00

13:30

Cloudy

67.2

68.6

65.6

-

Traffic Noise

-

22.5

0.4

RION-NL31 (S/N 00603867)

RION-NL73  (S/N 10997142)

16-May-13

10:22

10:52

Cloudy

67.2

68.8

65.9

-

Traffic Noise

-

27.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

22-May-13

16:15

16:45

Cloudy

67.4

68.8

66.3

-

Traffic Noise

-

24.0

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

28-May-13

10:21

10:51

Cloudy

66.5

68.0

65.1

Lifting and Excavation

Traffic Noise

-

29.0

0.4

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

66.5

Max.

67.2

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