Daytime Noise Monitoring Results - Normal weekday

Station M7a, Wah Ming House

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-Nov-10

13:15

13:45

Sunny

62

64

60

Rock Excavation

N.A

N.A

21.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

08-Nov-10

09:45

10:15

Sunny

73

75

68

Rock Excavation

Construction at Wah Shun House and Wah Hong House

N.A

22.5

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

18-Nov-10

09:08

09:38

Sunny

63

64

60

Muck loading

Construction at Wah Kei House

N.A

21.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-Nov-10

13:08

13:38

Sunny

65

68

61

Muck loading and excavation

Construction at Wah Kei House

N.A

20.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

30-Nov-10

09:04

09:34

Sunny

73

75

69

Operation hand-held breakers

N.A

N.A

21.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

00-Jan-00

-

-

-

-

-

-

-

-

-

-

-

-

-

Min.

62

Max.

73