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

08-Feb-13

10:22

10:52

Cloudy

67.1

68.6

65.9

Excavation

Traffic noise

-

16

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

14-Feb-13

14:15

14:45

Fine

66.4

67.8

65.2

-

Traffic Noise

-

18

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

20-Feb-13

13:12

13:42

Cloudy

67.2

68.7

65.7

Excavation

Traffic Noise

-

17

1.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

26-Feb-13

09:25

09:55

Cloudy

67.6

69.1

66.4

-

Traffic Noise

-

21

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

66.4

Max.

67.6

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