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

03-Aug-10

13:40

14:10

Sunny

73

76

68

Capping beam and breaking of guide wall

Road traffic noise, road traffic noise, excavating and hand-hold breaker operate adjcent the site

N.A

29

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

09-Aug-10

09:43

10:13

Sunny

71

76

60

Capping beam and breaking of guide wall

Road traffic noise, hand-hold breaker operate adjcent the site

N.A

30

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

20-Aug-10

10:40

11:10

Sunny

61

63

56

No major construction works

N.A

N.A

28

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

25-Aug-10

14:36

15:06

Sunny

72

74

63

Exvcavation

Road traffic noise, hand-hold breaker operate adjcent the site

N.A

28

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

31-Aug-10

13:29

13:59

Foggy

66

68

61

Exvcavation

Road traffic noise

N.A

30

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

00-Jan-00

-

-

-

-

-

-

-

-

-

-

-

-

-

Min.

61

Max.

73