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

07-Aug-14

10:01

10:31

Cloudy

62

65

59

Lining works

Road traffic noise

-

29

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

12-Aug-14

13:00

13:30

Cloudy

62

64

58

Welding

Road traffic noise

-

28.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

22-Aug-14

17:46

18:16

Sunny

62

64

57

No major construction works

Road traffic noise

-

28.5

<5

B&K 2238   S/N : 2800932

B&K 4231  S/N:  3004068

28-Aug-14

10:23

10:53

Sunny

62

64

58

No major construction works

Road traffic noise

-

29.5

<5

B&K 2238   S/N : 2800932

B&K 4231  S/N:  3004068

Max

62

Min

62

Average

62