Daytime Noise Monitoring Results -- Normal weekday

Station M8, Wah Lai 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-Oct-12

14:19

14:49

Sunny

66

67

63

Welding and modify ventatlation system

Road Traffic noise from Shek Pai Wan Road

N.A

26

<5

B&K 2238   S/N : 2808432

B&K 4231  S/N: 3003246

10-Oct-12

09:36

10:06

Sunny

67

68

64

Welding and constuction the footing of Tower crane

Road Traffic noise from Shek Pai Wan Road

N.A

26.3

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

16-Oct-12

09:48

10:18

Sunny

66

68

64

Welding and constuction the footing of Tower crane

Road Traffic noise from Shek Pai Wan Road

N.A

26.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

22-Oct-12

13:28

13:58

Sunny

66

68

64

rock out

Road Traffic noise from Shek Pai Wan Road

N.A

25.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

66

Max.

67