Daytime Noise Monitoring Results

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

03-Jun-13

09:20

09:50

Sunny

67.4

68.7

66.1

Execavation

Traffic Noise

-

28.0

0.3

RION-NL31 (S/N 00603867)

RION-NL73  (S/N 10997142)

14-Jun-13

16:00

16:30

Cloudy

67.1

68.3

65.8

Excavation

Traffic Noise

-

30.0

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

20-Jun-13

16:45

17:15

Sunny

67.2

68.6

66.0

Excavation

Traffic Noise

-

29.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

26-Jun-13

16:38

17:08

Sunny

66.7

68.3

65.4

Excavation

Traffic Noise

-

30.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

66.7

Max.

67.4

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