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

10-Apr-15

11:28

11:58

Cloudy

60

63

56

Operating of mobile crane

Road traffic noise

N.A

18.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

16-Apr-15

11:25

11:55

Sunny

64

66

62

Operating of mobile crane

Road traffic noise

N.A

22.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

22-Apr-15

11:21

11:51

Sunny

64

66

62

Operating of crane truck

Road traffic noise

N.A

23.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

28-Apr-15

11:25

11:55

Sunny

64

66

62

operating of excavator and dump truck

Road traffic noise

N.A

25.4

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N:  3004068

Max

64

Min

60

Average

63