Daytime Noise Monitoring Results

Station M5, Chuk Lam Ming Tong

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

04-Nov-14

13:08

13:38

Cloudy

63

66

57

Lifting

Road traffic noise

N.A

22.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

11-Nov-14

13:10

13:40

Cloudy

63

66

59

Operation of mobile crane

Road traffic noise

N.A

23.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

18-Nov-14

13:04

13:34

Cloudy

63

66

59

Operation of mobile crane

Road traffic noise

N.A

20.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

26-Nov-14

14:46

15:16

Fine

62

65

58

Operation of mobile crane and lifing

Road traffic noise

N.A

23.4

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Max.

63

Min.

62

Average

63