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-May-10

09:30

10:00

Sunny

62

64

58

N.A

Road traffic noise.

N.A

24.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

11-May-10

13:30

14:00

Sunny

64

66

62

Operation of machine

Road traffic noise.

N.A

23.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-May-10

09:30

10:00

Sunny

66

66

61

Operation of hand-held breaker

Road traffic noise.

N.A

25.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-May-10

11:20

11:50

Sunny

64

66

59

Some loading activities

Road traffic noise.

N.A

26

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

Min.

62

Max.

66