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-Jul-13

15:00

15:30

Sunny

67.1

68.6

65.8

Execavation

Traffic Noise

-

31.0

0.5

RION-NL31 (S/N 00603867)

RION-NL73  (S/N 10997142)

08-Jul-13

10:22

10:52

Sunny

66.8

68.2

65.7

Excavation

Traffic Noise

-

30.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

19-Jul-13

14:03

14:33

Cloudy

66.6

67.9

65.3

Excavation

Traffic Noise

-

29.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

25-Jul-13

13:00

13:30

Cloudy

67.2

68.7

66.0

-

Traffic Noise

-

30.0

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

31-Jul-13

14:05

14:35

Fine

67.2

68.6

65.9

-

Traffic Noise

-

31.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

66.6

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