Daytime Noise Monitoring Results

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-14

13:18

13:48

Fine

65

68

61

Tunnel Works

Road traffic noise

N.A

17

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

09-Jan-14

10:43

11:13

Fine

66

69

62

Tunnel Works

Road traffic noise

N.A

16

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

13-Jan-14

13:54

14:24

Fine

68

70

63

Concrete loading and welding

Road traffic noise

N.A

14

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

23-Jan-14

13:25

13:55

Fine

64

66

61

Concrete loading

Road traffic noise

N.A

13

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

28-Jan-14

13:00

13:30

Fine

63

65

59

Concrete loading

Road traffic noise

N.A

17

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Min

63

Max

68

Average

65