Daytime Noise Monitoring Results -- Normal weekday

Station M7, Wah Ming House

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

01-Sep-10

13:22

13:52

Foggy

69

72

62

Excavation process

Construction at Wah Yu House

N.A

31.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

08-Sep-10

13:17

13:47

Sunny

73

75

70

Excavation process

Construction at Wah Yu House

N.A

29.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

14-Sep-10

09:40

10:10

Sunny

63

64

61

No major construction works

Construction at Wah Yu House

N.A

27.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

20-Sep-10

09:09

09:39

Cloudy

63

64

61

Loading activities

N.A

N.A

28.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

29-Sep-10

13:07

13:37

Sunny

71

73

65

Wall-breaking process

N.A

N.A

28.5

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2656516

00-Jan-00

-

-

-

-

-

-

-

-

-

-

-

-

-

Min.

63

Max.

73