Daytime Noise Monitoring Results -- Normal weekday

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

03-May-11

14:58

15:28

Sunny

60

63

57

Loading activities

Road traffic noise

N.A

27.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

09-May-11

13:54

14:24

Sunny

63

65

56

Loading activities and drilling

Road traffic noise

N.A

27.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

19-May-11

11:16

11:46

Fine

64

66

58

Loading activities and drilling

Road traffic noise

N.A

25.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

25-May-11

09:39

10:09

Fine

63

66

58

Loading activities and grouting

Road traffic noise

N.A

23.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

31-May-11

14:57

15:27

Drizzle

61

64

57

No major construction works

Road traffic noise

N.A

26.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

60

Max.

64