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

03-May-11

13:32

14:02

Sunny

63

65

61

Welding

Road Traffic noise from Shek Pai Wan Road

N.A

27.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

09-May-11

09:55

10:25

Sunny

65

66

62

Drilling

Road Traffic noise from Shek Pai Wan Road

N.A

27.3

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

19-May-11

09:47

10:17

Fine

66

67

64

Loading and operation of mobile crane

Road Traffic noise from Shek Pai Wan Road

N.A

25.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

25-May-11

13:34

14:04

Fine

65

66

63

Loading

Road Traffic noise from Shek Pai Wan Road

N.A

23.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

31-May-11

13:36

14:06

Drizzle

64

66

62

Mixing and loading

Road Traffic noise from Shek Pai Wan Road

N.A

26.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

63

Max.

66