Station M5, Chuk Lam Ming Tong

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

02-Jan-13

13:20

13:50

Fine

64.5

67.8

57.4

works in noise enclosure

Road traffic noise

N.A

16.8

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

10-Jan-13

10:06

10:36

Fine

63.1

65.1

57.4

works in noise enclosure

Road traffic noise

N.A

14.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

14-Jan-13

13:21

13:51

Fine

64.9

68.3

58.6

works in noise enclosure

Road traffic noise

N.A

15.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

24-Jan-13

13:24

13:54

Fine

66.3

69.5

59.6

Operatorion of gantry

Road traffic noise

N.A

18.9

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

28-Jan-13

13:34

14:04

Fine

64.9

67.8

59.2

Operatorion of gantry

Road traffic noise

N.A

16.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

63.1

Max.

66.3