Daytime Noise Monitoring Results -- Normal weekday

Station M7a, 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

04-Jul-11

09:52

10:22

Sunny

59

61

58

No major construction works

N.A

N.A

29.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

14-Jul-11

09:37

10:07

Cloudy

59

60

57

No major construction works

N.A

N.A

27.1

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

20-Jul-11

09:17

09:47

Cloudy

67

69

60

Removial of Aqua sed.

N.A

N.A

27.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

26-Jul-11

14:01

14:31

Cloudy

65

67

60

Removial of Aqua sed.

Work renovation inside Wah Kei House

N.A

29.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

Min.

59

Max.

67