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-Aug-11

10:30

11:00

Sunny

68

69

67

Excavation work, Lifting (Near site)

Traffic Noise

N.A

31.0

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

08-Aug-11

10:30

11:00

Sunny

68

69

67

Excavation work, Lifting (Near site)

Traffic Noise

N.A

32.0

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

19-Aug-11

10:25

10:55

Sunny

69

70

67

Excavation work, Lifting (Near site)

Traffic Noise

N.A

31.0

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

25-Aug-11

14:32

15:02

Sunny

68

69

66

N.A

Traffic Noise

N.A

31.0

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

31-Aug-11

14:37

15:07

Sunny

69

71

67

N.A

Traffic Noise

N.A

31.0

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

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

Max.

69