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

03-Oct-13

14:05

14:35

Sunny

67

69

66

-

Traffic Noise

-

30.0

0.5

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

09-Oct-13

13:00

13:30

Sunny

67

68

66

-

Traffic Noise

-

27.0

0.5

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

15-Oct-13

09:20

09:50

Sunny

67

68

66

Excavation work

Traffic Noise

-

28.0

0.5

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

21-Oct-13

09:20

09:50

Sunny

68

69

66

-

Traffic Noise

-

25.0

0.5

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

Min.

67

Max.

68

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