Night time Noise Monitoring Results

Station M3, Kwan Yick Building

Date

Start Time

End Time

Weather

Noise level (dB(A))

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

19/02/2014-a

23:00

23:05

Fine

67

68.5

65.5

No outdoor construction noise

Mainly traffic noise

-

10

<5

B&K 2238    S/N : 2800932

B&K 4231  S/N: 3003246

19/02/2014-b

23:05

23:10

Fine

67

68.5

64.5

19/02/2014-c

23:10

23:15

Fine

67

69.0

64.5

19-Feb-14

23:00

23:15

Fine

67

68.7

64.9

No outdoor construction noise

Mainly traffic noise

-

10

<5

B&K 2238    S/N : 2800932

B&K 4231  S/N: 3003246

Max

67

Min

67