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

04-Oct-11

09:45

10:15

Cloudy

62

64

59

Loading blasting materials

Road traffic noise

N.A

23.8

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

10-Oct-11

14:51

15:21

Cloudy

64

65

59

Works inside noise enclosure

Road traffic noise

N.A

26.4

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

20-Oct-11

14:04

14:34

Foggy

65

68

61

Works inside noise enclosure

Road traffic noise

N.A

24.0

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

26-Oct-11

09:55

10:25

Foggy

66

68

62

Operation of mobile crane and excavator, loading activities and welding

Road traffic noise

N.A

23.3

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

Min.

62

Max.

66