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

02-Jul-13

14:08

14:38

Sunny

65.3

67.3

62.7

Loading concrete

Road Traffic noise from Shek Pai Wan Road

N.A

29.4

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

08-Jul-13

09:43

10:13

Sunny

65.6

66.9

63.7

Tunnel works

Road Traffic noise from Shek Pai Wan Road

N.A

28.8

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

18-Jul-13

09:53

10:23

Sunny

64.9

66.1

62.8

Operation of excavator

Road Traffic noise from Shek Pai Wan Road

N.A

27.3

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

24-Jul-13

13:57

14:27

Cloudy

64.9

66.1

62.9

Operation of excavator

Road Traffic noise from Shek Pai Wan Road

N.A

26.0

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

30-Jul-13

13:35

14:05

Sunny

66.8

67.5

64.9

Unloading

Road Traffic noise from Shek Pai Wan Road

N.A

29.1

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

Min.

64.9

Max.

66.8