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-Jan-10

13:33

14:03

Cloudy

68

71

65

Operation of hydraulic excavator and mobile crane

Maintenance works at neighbour building and Chuk Lam Ming Tong;
Construction noise (by Hong Kong Electric) near the site entrance.

N.A

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

12-Jan-10

14:33

15:03

Cloudy

65

68

60

Operation of mobile crane

Maintenance works at neighbour building and Chuk Lam Ming Tong;
Road traffic noise.

N.A

<5

B&K 2238 S/N : 2684502

B&K 4231 S/N: 2385180

22-Jan-10

09:56

10:26

Cloudy

66

68

62

Operation of mobile crane

Maintenance works at neighbour building;
Road traffic noise.

N.A

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180

27-Jan-10

13:31

14:01

Cloudy

67

69

64

Operation of hydraulic excavator

Maintenance works at neighbour building and Chuk Lam Ming Tong;
Road traffic noise.

N.A

<5

B&K 2238 S/N : 2684503

B&K 4231 S/N: 2385180