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

08-Jan-15

09:53

10:23

Sunny

73

75

64

Operation of mobile crane and concrete braeaking

Road traffic noise

N.A

15.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

13-Jan-15

13:15

13:45

Cloudy

73

77

60

Concrete braeaking

Road traffic noise

N.A

12.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

20-Jan-15

13:21

13:51

Sunny

67

72

58

Concrete braeaking

Road traffic noise

N.A

15.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

27-Jan-15

13:30

14:00

Sunny

67

70

58

Concrete braeaking, operatoring of excavator

Road traffic noise

N.A

18.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Max

73

Min

67

Average

70