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

09-Jan-13

23:00

23:15

Fine

66.3

68.1

64.4

No outdoor construction noise

Mainly traffic noise

-

16.2

<5

B&K 2238   S/N: 2385180

B&K 4231   S/N: 3003246

30-Jan-13

23:00

23:15

Fine

66.7

68.2

64.5

No outdoor construction noise

Mainly traffic noise

-

18.1

<5

B&K 2238   S/N: 2385180

B&K 4231   S/N: 3003246

Min.

66.3

Max.

66.7