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

04-Mar-15

13:37

14:07

Cloudy

69

72

63

Excavating and lifting

Road traffic noise

N.A

17.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

10-Mar-15

13:17

13:47

Fine

63

66

58

Lifting and polishing

Road traffic noise

N.A

17.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

19-Mar-15

13:01

13:31

Fine

62

66

56

Operating of excavator

Road traffic noise

N.A

25.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

25-Mar-15

11:26

11:56

Fine

61

64

56

Operating of excavator

Road traffic noise

N.A

17.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

30-Mar-15

10:10

10:40

Sunny

67

70

61

Operating of excavator

Road traffic noise

N.A

22.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Max

69

Min

61

Average

65