Restricted Hours Noise Monitoring Results -- Evening time

Station M5a, Chuk Lam Ming Tong

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

03-Oct-13

22:45

23:00

Fine

61

66

51

Works in tunnel

Road traffic at San Wan Drive

According to contractor, general construction works was in process accordance to CNP.

26.0

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

29-Oct-13

22:45

23:00

Fine

62

64

50

Works in tunnel

Road traffic at San Wan Drive

According to contractor, general construction works was in process accordance to CNP.

23.7

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

Min.

61

Max.

62