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

02-May-12

13:58

14:28

Cloudy

63

65

59

Loading

Road traffic noise

N.A

29.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

08-May-12

14:30

15:00

Cloudy

62

65

58

Rock out

Road traffic noise

N.A

28.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

14-May-12

13:55

14:25

Sunny

63

65

57

Operation of mobile crane

Road traffic noise and drilling in process in nearby building

N.A

28.8

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

24-May-12

09:28

09:58

Sunny

64

67

60

Loading

Road traffic noise and drilling in process in nearby building

N.A

26.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

30-May-12

13:26

13:56

Fine

62

64

57

Loading and welding

Road traffic noise and drilling in process in nearby building

N.A

26.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

62

Max.

64