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

07-Feb-13

09:48

10:18

Fine

63.0

65.4

58.2

Operatorion of mobile crane

Road traffic noise

N.A

19

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

14-Feb-13

09:54

10:24

Fine

59.5

61.9

55.3

Operatorion of mobile crane

Road traffic noise

N.A

19

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

21-Feb-13

10:38

11:08

Sunny

63.1

65.7

58.9

Operatorion of excavator

Road traffic noise

N.A

18

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

26-Feb-13

13:27

13:57

Sunny

63.8

66.4

58.6

Operatorion of excavator and welding

Road traffic noise

N.A

21

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

59.5

Max.

63.8