Evening time Noise Monitoring Results

Station M5, Chuk Lam Ming Tong(near entrance)

Date

Start Time

End Time

Weather

Noise level (dB(A)), 30 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

11/09/2014-a

22:45

22:50

Fine

62

64

52

Loading works under the shaft

Road traffic at San Wan Drive

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

30.3

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

11/09/2014-b

22:50

22:55

Fine

64

65

52

30.3

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004038

11/09/2014-c

22:55

23:00

Fine

66

67

52

30.3

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

11-Sep-14

22:45

23:00

Fine

64

65

52

Loading works under the shaft

Road traffic at San Wan Drive

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

30.3

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

30/09/2014-a

22:45

22:50

Fine

60

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.

29.6

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

30/09/2014-b

22:50

22:55

Fine

60

63

52

29.6

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004038

30/09/2014-c

22:55

23:00

Fine

64

65

53

29.6

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

30-Sep-14

22:45

23:00

Fine

61

64

52

Loading works under the shaft

Road traffic at San Wan Drive

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

29.6

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

Max

66

Min

60

Average

62