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

03-Jan-12

15:05

15:35

Sunny

63

66

59

Installing of gantry, welding and loading

Road traffic noise

N.A

17.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

09-Jan-12

13:55

14:25

Sunny

63

65

58

Preparing for blasting

Road traffic noise

N.A

15.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

19-Jan-12

11:05

11:35

Sunny

65

68

61

Installing the gantry

Road traffic noise

N.A

19.4

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

26-Jan-12

09:53

10:23

Cloudy

60

62

55

Operating the crane track

Road traffic noise

N.A

11.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

31-Jan-12

13:47

14:17

Cloudy

62

64

56

Operating the crane track

Road traffic noise

N.A

15.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

60

Max.

65