Restricted Hours Noise Monitoring Results -- Night time

Station M3, Kwan Yick Building

Date

Start Time

End Time

Weather

Noise level (dB(A)), 15 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-Oct-12

23:00

23:15

Fine

67

67

63

No outdoor construction noise

Mainly traffic noise

-

26

<5

B&K 2238   S/N: 2808432

B&K 4231   S/N: 3003246

25-Oct-12

23:00

23:15

Fine

66

67

63

No outdoor construction noise

Mainly traffic noise

-

25.8

<5

B&K 2238   S/N: 2385180

B&K 4231   S/N: 3003246

Min.

66

Max.

67