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

07-Jan-11

13:40

14:10

Sunny

66

68

64

Shaft Excavation

Road traffic noise

N.A

10.9

<5

ONO SOKKI  LA-5110  S/N: 72700154

ONO SOKKI  SC-2110  S/N: 00461

13-Jan-11

09:45

10:15

Sunny

62

64

56

Blasting

Road traffic noise and loading activities in adjacent construction site

N.A

12.9

<5

ONO SOKKI  LA-5110  S/N: 72700154

ONO SOKKI  SC-2110  S/N: 00461

19-Jan-11

13:10

13:40

Sunny

64

65

56

Shaft Excavation

Road traffic noise

N.A

15.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2656516

25-Jan-11

14:14

14:44

Fine

65

67

63

Shaft Excavation

Road traffic noise

N.A

14.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2656516

31-Jan-11

13:21

13:51

Fine

63

65

57

Loading

Road traffic noise

N.A

13.1

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2656516

00-Jan-00

-

-

-

-

-

-

-

-

-

-

-

-

-

Min.

62

Max.

66