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

06-Feb-12

10:07

10:37

Cloudy

62

64

58

Welding and rock out

Road traffic noise

N.A

18.5

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

13-Feb-12

11:24

11:54

Fine

67

69

57

Welding and rock out

Road traffic noise

N.A

19.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

22-Feb-12

14:00

14:30

Cloudy

63

65

58

Blasting

Road traffic noise

N.A

18.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

28-Feb-12

13:30

14:00

Cloudy

60

62

56

Rock out and loading

Road traffic noise

N.A

13.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

60

Max.

67