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-Mar-10

13:20

13:50

Fine

64

65

57

N.A

Operation of backhoe near the Wah Yu House.(Contractor of HA)

N.A

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

09-Mar-10

15:14

15:44

Cloudy

63

65

59

Operation of Lorry

N.A

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

15-Mar-10

10:15

10:45

Fine

69

71

66

Operation of mobile crane and drilling machine

N.A

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

25-Mar-10

09:39

10:09

Cloudy

66

69

61

N.A

Operation of backhoe near the Wah Yu House.(Contractor of HA)

N.A

16.7

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

30-Mar-10

09:20

09:50

Cloudy

68

69

66

N.A

19

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180