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

07-Feb-11

13:42

14:12

Fine

64

66

61

Welding

Road Traffic noise from Shek Pai Wan Road and loading activties in the contraction site near Gas center

N.A

18.7

<5

B&K 2238 S/N : 2684502

B&K 4231 S/N: 265616

16-Feb-11

13:36

14:06

Fine

63

65

58

Welding

Road Traffic noise from Shek Pai Wan Road and loading activties in the contraction site near Gas center

N.A

13.2

<5

B&K 2238 S/N : 2684502

B&K 4231 S/N: 265616

22-Feb-11

10:03

10:33

Cloudy

65

66

63

Welding, operation of excavator and drilling

Road Traffic noise from Shek Pai Wan Road and loading activties in the contraction site near Gas center

N.A

15.4

<5

B&K 2238 S/N : 2684502

B&K 4231 S/N: 265616

28-Feb-11

09:45

10:15

Sunny

68

70

66

Loading activities

Road Traffic noise from Shek Pai Wan Road and operation of breaker in the contraction site near Gas center

N.A

21.6

<5

B&K 2238 S/N : 2684502

B&K 4231 S/N: 265616