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

04-Mar-13

10:22

10:52

Sunny

67

68

66

Excavation

Traffic Noise

-

17

0.4

RION-NL31 (S/N 00603867)

RION-NL73  (S/N 10997142)

15-Mar-13

10:21

10:51

Fine

67

69

66

Excavation

Traffic Noise

-

20

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

21-Mar-13

14:23

14:53

Cloudy

67

68

65

-

Traffic Noise

-

21

0.5

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

27-Mar-13

14:15

14:45

Cloudy

67

68

66

-

Traffic Noise

-

20

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

67

Max.

67

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