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

08-Apr-13

14:17

14:47

Sunny

71.6

75.2

60.3

Operatorion of excavator and welding

Road traffic noise and rock breaking in the adjcent building

N.A

19

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

17-Apr-13

13:26

13:56

Fine

62.8

64.9

58.0

Operatorion of excavator and welding

Road traffic noise and rock breaking in the adjcent building

N.A

25

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

22-Apr-13

10:02

10:32

Fine

63.5

66.1

58.0

Operatorion of excavator and welding

Road traffic noise and rock breaking in the adjcent building

N.A

20

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

29-Apr-13

11:25

11:55

Sunny

65.1

67.1

61.3

Operatorion of excavator and welding

Road traffic noise and rock breaking in the adjcent building

N.A

20

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

62.8

Max.

71.6