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

09-Apr-10

09:23

09:53

Fine

65

67

60

Loading activities

Road traffic noise.

N.A

19.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

15-Apr-10

09:30

10:00

Rainy

67

69

64

Loading activities and operation of hydraulic excavator and drum track

Road traffic noise.

N.A

16.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

21-Apr-10

13:30

14:00

Sunny

64

67

58

Loading activities

Road traffic noise.

N.A

26

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

26-Apr-10

09:40

10:10

Cloudy

64

66

59

Loading activities

Road traffic noise.

N.A

21.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

Min.

64

Max.

67