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

07-Feb-11

09:59

10:29

Fine

62

64

56

Loading

Road traffic noise

N.A

18.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

16-Feb-11

09:42

10:12

Cloudy

64

67

59

Loading and excavation

Operation of excavator in nearby site

N.A

13.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

22-Feb-11

13:36

14:06

Cloudy

63

65

58

Excavation

Road traffic noise

N.A

15.4

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

28-Feb-11

09:45

10:15

Sunny

63

66

58

Excavation and lifting

Road traffic noise

N.A

21.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

62

Max.

64