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-Sep-13

13:00

13:30

Sunny

65

67

61

Operation of mobile crane

Mini piling in process in adjacent site

N.A

26

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

13-Sep-13

09:29

09:59

Sunny

62

63

60

No major construction works

Mini piling in process in adjacent site

N.A

28

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

17-Sep-13

13:06

13:36

Sunny

73

75

59

No major construction works

Mini piling in process in adjacent site

N.A

28

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

23-Sep-13

14:16

14:46

Sunny

69

72

62

No major construction works

Mini piling in process in adjacent site

N.A

28

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

Min.

62

Max.

73