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-Aug-11

09:44

10:14

Sunny

63

65

60

Mud out

Road traffic noise

N.A

30.1

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

09-Aug-11

13:51

14:21

Sunny

61

63

58

Loading blasting materials and hammering works

Road traffic noise

N.A

28.0

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

15-Aug-11

09:37

10:07

Sunny

64

66

60

Operation of mobile crane and hammering works

Road traffic noise

N.A

29.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

25-Aug-11

09:48

10:18

Sunny

64

66

61

Operation of mobile crane and hammering works

Road traffic noise

N.A

28.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

31-Aug-11

13:44

14:14

Foggy

64

68

59

Loading activities with fork lift

Road traffic noise

N.A

30.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

Min.

61

Max.

64