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

14-Apr-11

20:10

20:25

Fine

67

69

62

Jet grouting

Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead.

N.A

24.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

67

Max.

67