Daytime Noise Monitoring Results -- Normal weekday

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

01-Nov-12

13:31

14:01

Fine

64.8

66

60

Tunnel works

Road traffic noise

N.A

21.1

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

07-Nov-12

13:38

14:08

Fine

63.3

66

58

Tunnel works

Road traffic noise

N.A

23.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

13-Nov-12

13:45

14:15

Fine

62.8

66

58

Tunnel works

Road traffic noise

N.A

23.1

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

22-Nov-12

13:22

13:52

Drizzle

65.2

68

59

Tunnel works

Road traffic noise

N.A

25.1

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

28-Nov-12

14:08

14:38

Drizzle

62.8

65

58

Operation of excavator

Road traffic noise

N.A

19.3

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

62.8

Max.

65.2