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

06-Mar-13

09:28

09:58

Sunny

64

66

62

Operatorion of mobile crane and loading

Drilling with hand held breaker at near construction site

N.A

19

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

12-Mar-13

13:02

13:32

Sunny

67

69

64

Operatorion of mobile crane and loading

Drilling at near construction site

N.A

20

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

18-Mar-13

09:22

09:52

Sunny

69

73

64

Operatorion of mobile crane and loading

Drilling at near construction site

N.A

24

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

28-Mar-13

10:07

10:37

Sunny

66

67

64

Operatorion of mobile crane and loading

Drilling at near construction site

N.A

20

<5

B&K 2238   S/N : 2381580

B&K 4231  S/N: 3003246

Min.

64

Max.

69