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

07/03/2014-a

22:45

22:50

Fine

57

60

52

Loading works under the shaft

Road traffic at San Wan Drive

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

30.5

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

07/03/2014-b

22:50

22:55

Fine

60

62

52

30.5

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004038

07/03/2014-c

22:55

23:00

Fine

53

54

51

30.5

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

03-Jul-14

22:45

23:00

Fine

58

64

51

Loading works under the shaft

Road traffic at San Wan Drive

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

30.5

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

07/30/2014-a

22:45

22:50

Fine

62

64

53

Loading works under the shaft

Road traffic at San Wan Drive

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

30.4

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

07/30/2014-b

22:50

22:55

Fine

60

62

52

30.4

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004038

07/30/2014-c

22:55

23:00

Fine

58

60

52

30.4

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

30-Jul-14

22:45

23:00

Fine

60

64

51

Loading works under the shaft

Road traffic at San Wan Drive

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

30.4

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

Max.

62

Min.

53

Average

58