Evening time Noise Monitoring Results

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

04/09/2014-a

22:45

22:50

Fine

66

67

64

-

Traffic noise

-

29

<5

B&K 2238    S/N : 2684503

B&K 4231  S/N: 3004068

04/09/2014-b

22:50

22:55

Fine

66

67

64

-

04/09/2014-c

22:55

23:00

Fine

65

67

64

-

04-Sep-14

22:45

23:00

Fine

66

67

64

-

Traffic noise

-

29

<5

B&K 2238    S/N : 2684603

B&K 4231  S/N: 3004068

19/09/2014-a

22:45

22:50

Fine

68

69

66

-

Traffic noise

-

30

<5

B&K 2238    S/N : 2800932

B&K 4231  S/N: 3003246

19/09/2014-b

22:50

22:55

Fine

68

69

66

-

19/09/2014-c

22:55

23:00

Fine

67

69

66

-

19-Sep-14

22:45

23:00

Fine

68

69

66

-

Traffic noise

-

30

<5

B&K 2238    S/N : 2800932

B&K 4231  S/N: 3003246

Max

68

Min

65

Average

67