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

06-Feb-12

10:47

11:17

Cloudy

66

67

64

Operation of mobile crane

Road Traffic noise from Shek Pai Wan Road

N.A

18.5

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

13-Feb-12

10:42

11:12

Sunny

66

67

64

Drilling

Road Traffic noise from Shek Pai Wan Road

N.A

19.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

22-Feb-12

10:08

10:38

Cloudy

66

68

65

Grouting

Road Traffic noise from Shek Pai Wan Road

N.A

18.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

28-Feb-12

15:10

15:40

Cloudy

67

69

64

Operation of mobile crane

Road Traffic noise from Shek Pai Wan Road

N.A

13.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

66

Max.

67