Restricted Hours Noise Monitoring Results -- Daytime on Public Holiday

Station M3, Kwan Yick building

Date

Start Time

End Time

Weather

Noise level (dB(A)), 5 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

01-Apr-12

14:28

14:43

Fine

67

69

65

No outdoor construction noise

Mainly traffic noise

-

16.0

0.4

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

15-Apr-12

17:00

17:15

Fine

65

66

63

No outdoor construction noise

Mainly traffic noise

-

23.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

22-Apr-12

14:32

14:47

Sunny

67

68

65

No outdoor construction noise

Mainly traffic noise

-

24.3

<5

B&K 2238               S/N:  2684502

B&K 4231                S/N:  2656516

29-Apr-12

11:17

11:32

Fine

66

68

64

No outdoor construction noise

Mainly traffic noise

-

22.0

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

65

Max.

67

Restricted Hours Noise Monitoring Results -- Evening time

Station M3, Kwan Yick building

Date

Start Time

End Time

Weather

Noise level (dB(A)), 5 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

10-Apr-12

22:00

22:15

Fine

63

65

61

No outdoor construction noise

Mainly traffic noise

-

20.0

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

11-Apr-12

22:45

23:00

Fine

67

68

64

No outdoor construction noise

Mainly traffic noise

-

25.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

24-Apr-12

21:53

22:08

Cloudy

64

66

61

No outdoor construction noise

Mainly traffic noise

-

22.0

0.2

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

Min.

63

Max.

67