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

02-Dec-14

13:08

13:38

Fine

69

72

60

Operation of mobile crane , lifing and concrete breaking

Road traffic noise

N.A

16.4

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

09-Dec-14

13:20

13:50

Fine

67

70

61

Operation of mobile crane and lifing

Road traffic noise

N.A

19.4

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

16-Dec-14

13:15

13:45

Fine

66

69

60

Operation of mobile crane , lifing and concrete breaking

Road traffic noise

N.A

16.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

22-Dec-14

10:05

10:35

Sunny

67

69

60

Operation of mobile crane and lifing

Road traffic noise

N.A

13.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

30-Dec-14

13:14

13:44

Sunny

64

67

59

Operation of mobile crane and lifing

Road traffic noise

N.A

14.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Max

69

Min

64

Average

67