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

09-May-13

11:09

11:39

Fine

64.3

66.4

59.4

Operation of excavator and tunnel works

Road traffic noise and rock breaking in the adjcent building

N.A

25.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

14-May-13

11:06

11:36

Fine

66.0

67.2

64.3

Operation of excavator and tunnel works

Road traffic noise and rock breaking in the adjcent building

N.A

26.2

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

21-May-13

14:46

15:16

Cloudy

63.2

65.9

58.6

Operation of excavator and tunnel works

Road traffic noise and rock breaking in the adjcent building

N.A

25.7

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3004068

30-May-13

13:27

13:57

Sunny

63.7

66.6

58.6

Operation of excavator and tunnel works

Road traffic noise and rock breaking in the adjcent building

N.A

29.3

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

63.2

Max.

66.0