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-May-12

10:19

10:49

Cloudy

65

66

63

Operation of excavator and loading

Road Traffic noise from Shek Pai Wan Road

N.A

29.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

08-May-12

13:01

13:31

Cloudy

65

66

63

Operation of mobile crane, grounting and loading

Road Traffic noise from Shek Pai Wan Road

N.A

28.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

14-May-12

09:58

10:28

Sunny

65

66

63

Grouting

Road Traffic noise from Shek Pai Wan Road

N.A

28.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

24-May-12

15:35

16:05

Sunny

66

67

64

Grouting and drilling

Road Traffic noise from Shek Pai Wan Road

N.A

26.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

30-May-12

10:11

10:41

Fine

65

67

64

Shotcrete

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.

65

Max.

66