Night time Noise Monitoring Results

Station M5a, Chuk Lam Ming Tong(near entrance )

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

04/16/2014-a

23:00

23:05

Fine

56

59

49

No major construction workd on surface

Traffic noise at San Wan Drive

N.A

22.1

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

04/16/2014-b

23:05

23:10

Fine

60

62

51

04/16/2014-c

23:10

23:15

Fine

56

60

53

16-Apr-14

23:00

23:15

Fine

58

60

51

No major construction workd on surface

Traffic noise at San Wan Drive

N.A

22.1

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

Average

58

Minimum

56

Maximum

60