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

05-Dec-11

14:05

14:35

Cloudy

70

73

60

Welding

Road traffic noise

N.A

18.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

15-Dec-11

11:27

11:57

Cloudy

64

66

59

Welding

Road traffic noise

N.A

19.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

21-Dec-11

09:51

10:21

Fine

63

66

58

Operating of mobile crane

Road traffic noise

N.A

19.5

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

28-Dec-11

13:58

14:28

Fine

61

64

55

Operating of mobile crane ,loading

Road traffic noise

N.A

17.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

Min.

61

Max.

70