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-Nov-11

10:44

11:14

Sunny

65

67

63

Cement loading, operation of excvator

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

N.A

26.0

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

07-Nov-11

13:25

13:55

Sunny

68

69

63

Operation of excavator

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

N.A

25.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-Nov-11

14:00

14:30

Cloudy

70

73

64

Operation of excavator

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

N.A

23.4

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

23-Nov-11

09:55

10:25

Cloudy

69

73

64

Loading

Road Traffic noise from Shek Pai Wan Road and operation of mobile crane at oppostie construction site, drilling in pocess near cement factory

N.A

22.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

29-Nov-11

13:35

14:05

Sunny

66

67

65

Loading and rock out

Road Traffic noise from Shek Pai Wan Road and operation of mobile crane at oppostie construction site, drilling in pocess near cement factory

N.A

22.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

Min.

65

Max.

70