Night time Noise Monitoring Results

Station M3, Kwa 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

23:00

23:05

Fine

65

67

63

No outdoor construction noise

Road traffic noise from Western Harbour Crossing, engine of turbojet and helicopter fly over head

-

29.2

<5

B&K 2238    S/N : 2684503

B&K 4231  S/N: 3004068

04/09/2014-b

23:05

23:10

Fine

65

67

63

-

04/09/2014-c

23:10

23:15

Fine

66

67

64

-

04-Sep-14

23:00

23:15

Fine

65

67

63

No outdoor construction noise

Road traffic noise from Western Harbour Crossing, engine of turbojet and helicopter fly over head

-

29.2

<5

B&K 2238    S/N : 2684503

B&K 4231  S/N: 3004068

19/09/2014-a

23:00

23:05

Fine

68

70

66

No outdoor construction noise

Road traffic noise from Western Harbour Crossing, engine of turbojet and helicopter fly over head

-

29.9

<5

B&K 2238    S/N : 2800932

B&K 4231  S/N: 3003246

19/09/2014-b

23:05

23:10

Fine

67

68

65

-

19/09/2014-c

23:10

23:15

Fine

68

69

66

-

19-Sep-14

23:00

23:15

Fine

67

69

66

No outdoor construction noise

Road traffic noise from Western Harbour Crossing, engine of turbojet and helicopter fly over head

-

29.9

<5

B&K 2238    S/N : 2800932

B&K 4231  S/N: 3003246

Max

68

Min

65

Average

66