Daytime Noise Monitoring Results

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

03-May-10

13:00

13:30

Sunny

61

62

60

Operation of Mobile crane and pipe piling work

Celling water-proof construction at Wah Mei House and removal asbestos  at Wah Hong House

N.A

24.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

12-May-10

13:09

13:39

Sunny

61

63

59

Pipe piling work

Celling water-proof construction at Wah Mei House and removal asbestos  at Wah Hong House

N.A

24

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

18-May-10

09:15

09:45

Sunny

65

67

62

Pipe piling work

Repaving floor construction at Wah Ching House

N.A

27.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

28-May-10

09:40

10:10

Sunny

63

65

61

Pipe piling work

Repaving floor construction at Wah Cheung House

N.A

26.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

Min.

61

Max.

65