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-Jan-12

13:53

14:23

Sunny

66

67

64

Loading

Road Traffic noise from Shek Pai Wan Road and operation of mobile crane at oppostie construction site

N.A

17.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

09-Jan-12

10:10

10:40

Sunny

67

69

67

Drilling

Road Traffic noise from Shek Pai Wan Road and operation of mobile crane at oppostie construction site

N.A

15.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

19-Jan-12

09:57

10:27

Cloudy

67

68

65

Operation of dump track,excavator and mobile crane

Road Traffic noise from Shek Pai Wan Road and operation of mobile crane at oppostie construction site

N.A

19.4

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

26-Jan-12

09:45

10:15

Cloudy

66

68

64

Welding and maintenance

Road Traffic noise from Shek Pai Wan Road and operation of mobile crane at oppostie construction site

N.A

11.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

31-Jan-12

10:00

10:30

Cloudy

68

69

66

Operation of excavactor

Road Traffic noise from Shek Pai Wan Road

N.A

15.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

66

Max.

68