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

03-Jul-13

09:46

10:16

Sunny

67.0

69.1

63.7

Loading

N.A

N.A

29.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

09-Jul-13

13:00

13:30

Sunny

63.1

64.4

59.5

Mucking out

N.A

N.A

29.0

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

15-Jul-13

09:34

10:04

Cloudy

64.3

65.3

62.6

No major construction works

N.A

N.A

26.0

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 2656516

25-Jul-13

11:18

11:48

Cloudy

60.0

61.4

57.8

No major construction works

N.A

N.A

25.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

31-Jul-13

09:39

10:09

Sunny

70.4

73.5

64.5

No major construction works

Mini piling in process in adjacent site

N.A

29.4

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

Min.

60.0

Max.

70.4