Daytime Noise Monitoring Results -- Normal weekday

Station M7a, Wah Ming 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-Apr-13

09:22

09:52

Sunny

70.4

72.8

66.5

Operatorion of mobile crane and loading

Drilling at near construction site

N.A

19

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

09-Apr-13

09:26

09:56

Sunny

65.7

67.3

60.4

Operatorion of mobile crane and loading

N.A

N.A

19

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

15-Apr-13

09:17

09:47

Sunny

61.0

62.7

58.2

Operatorion of mobile crane and loading

N.A

N.A

23

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

24-Apr-13

09:19

09:49

Sunny

63.9

65.4

60.7

Operatorion of mobile crane and loading

N.A

N.A

25

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

29-Apr-13

09:10

09:40

Sunny

63.9

65.8

62.4

Operatorion of mobile crane and loading

N.A

N.A

24

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

61.0

Max.

70.4