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

7-May-15

11:26

11:56

Sunny

60

63

56

operating of excavator and dump truck

Road traffic noise

N.A

28.0

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

14-May-15

11:14

11:44

Sunny

61

63

57

operating of excavator and dump truck

Road traffic noise

N.A

28.5

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

21-May-15

14:40

15:10

Fine

61

63

57

operating of excavator

Road traffic noise

N.A

24.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

28-May-15

10:42

11:12

Sunny

64

66

61

operating of excavator

Road traffic noise

N.A

30.0

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Min.

60

Max.

64

Average

61