Restricted Hours Noise Monitoring Results

Station M3, Kwa Yick Building

Date

Start Time

End Time

Weather

Noise level (dB(A)), 5 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

09-Mar-10

19:56

20:01

Cloudy

68

70

66

Mobile cranes, excavator

Occasional shipvessel pass-by noise captured

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

09-Mar-10

20:01

20:06

Cloudy

67

68

66

Mobile cranes, excavator

Occasional shipvessel pass-by noise captured

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

09-Mar-10

20:06

20:11

Cloudy

69

71

66

Mobile cranes, excavator

Occasional shipvessel pass-by noise captured

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-Mar-10

19:00

19:05

Fine

68

70

66

Mobile cranes, excavator

Occasional shipvessel pass-by noise captured

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-Mar-10

19:05

19:10

Fine

69

70

67

Mobile cranes, excavator

Occasional shipvessel pass-by noise captured

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-Mar-10

19:10

19:15

Fine

69

71

67

Mobile cranes, excavator

Occasional shipvessel pass-by noise captured

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-Mar-10

19:00

19:05

Fine

68

70

67

Mobile cranes, excavator

Nil

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-Mar-10

19:05

19:10

Fine

68

70

67

Mobile cranes, excavator

Nil

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-Mar-10

19:10

19:15

Fine

68

70

66

Mobile cranes, excavator

Nil

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

Min.

67

Max.

69