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

06-Dec-10

09:45

10:15

Fine

61

59

54

Loading rocks

loading activities from the construction site near Cyberport PTW

Free-field measurement, +3dB correction.

23.5

<5

ONO SOKKI LA-5110 S/N: 72700154

ONO SOKKI SC-2110 S/N: 00461

14-Dec-10

10:00

10:30

Foggy

60

59

55

Rocks excavation

loading activities from the construction site near Cyberport PTW

Free-field measurement, +3dB correction.

21.8

<5

ONO SOKKI LA-5110 S/N: 72700154

ONO SOKKI SC-2110 S/N: 00461

22-Dec-10

14:40

15:10

Fine

59

51

55

Rocks excavation

loading activities from the construction site near Cyberport PTW

Free-field measurement, +3dB correction.

19.3

<5

ONO SOKKI LA-5110 S/N: 72700154

ONO SOKKI SC-2110 S/N: 00461

28-Dec-10

15:26

15:56

Fine

57

58

55

No major construction works

loading activities from the construction site near Cyberport PTW

Free-field measurement, +3dB correction.

15.4

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2656516