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

05-May-11

09:45

10:15

Sunny

61

63

57

No major construction works

Welding  on roof of Wah Kei House

N.A

23.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

11-May-11

13:05

13:35

Sunny

59

60

56

No major construction works

Work renovation inside Wah Kei House

N.A

29.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

17-May-11

13:05

13:35

Drizzle

58

59

56

No major construction works

Work renovation inside Wah Kei House

N.A

26.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

23-May-11

09:12

09:42

Cloudy

60

61

57

No major construction works

N.A

N.A

24.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

58

Max.

61