Restricted Hours Noise Monitoring Results -- Night time

Station M3, Kwa 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

16-Jul-11

06:02

06:17

Cloudy

63

65

61

No outdoor construction noise

Mainly traffic noise

N.A

30.0

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

30-Jul-11

06:01

06:16

Fine

62

64

60

No outdoor construction noise

Mainly traffic noise

N.A

29.0

0.2

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

Min.

62

[1] The monitoring data on 16 and 30 July morning are for the restricted hour of previous day (15 and 29 July respectively)

Max.

63