Evening time Noise Monitoring Results

Station M5, 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

11/06/2014-a

22:45

22:50

Fine

58

62

53

Works in tunnel

Road traffic at San Wan Drive

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

28.1

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

11/06/2014-b

22:50

22:55

Fine

63

64

52

28.1

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004038

11/06/2014-c

22:55

23:00

Fine

54

56

53

28.1

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

11-Jun-14

22:45

23:00

Fine

60

64

51

Works in tunnel

Road traffic at San Wan Drive

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

28.1

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

Min.

54

Max.

63