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-Apr-12

13:16

13:46

Sunny

65

67

64

Works in tunnel

Road Traffic noise from Shek Pai Wan Road

N.A

21.9

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

11-Apr-12

13:43

14:13

Sunny

65

66

63

Works in tunnel

Road Traffic noise from Shek Pai Wan Road

N.A

25

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

18-Apr-12

11:08

11:38

Cloudy

65

66

63

Rock out

Road Traffic noise from Shek Pai Wan Road

N.A

22

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

23-Apr-12

10:05

10:35

Sunny

66

67

64

Operation of excavator and loading

Road Traffic noise from Shek Pai Wan Road

N.A

25.4

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

65

Max.

66