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

08-May-14

13:48

14:18

Cloudy

63

65

59

operating of excavator

Road traffic noise

N.A

22.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3003246

14-May-14

10:34

11:04

Cloudy

65

67

62

operating of excavator

Road traffic noise

N.A

28.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3003246

19-May-14

11:25

11:55

Cloudy

61

64

57

No major construction works

Road traffic noise

N.A

28.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

26-May-14

13:45

14:15

Sunny

66

68

60

Operation of forklift and loading

Road traffic noise

N.A

29.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Maximum

66

Minimum

61

Average

64