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

23-Dec-09

14:04

14:34

Sunny

64

67

62

Operation of hydraulic excavator

Maintenance works at neighbour building

N.A

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

31-Dec-09

10:46

11:16

Fine

66

68

63

Operation of hydraulic excavator and mobile crane

Maintenance works at neighbour building; Road noise from San Wan Drive.

N.A

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

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

04-Feb-10

09:22

09:52

Cloudy

60

62

57

Operation of hydraulic excavator

Road traffic noise.

N.A

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

08-Feb-10

10:21

10:51

Cloudy

67

69

64

Operation of hydraulic excavator

Road traffic noise.

N.A

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-Feb-10

13:45

14:15

Cloudy

60

62

57

No Construction activity was observed.

Road traffic noise.

N.A

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-Feb-10

14:01

14:31

Cloudy

65

67

60

Operation of hydraulic excavator and drum track Loading material activities

Road traffic noise.

N.A

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

04-Mar-10

10:25

10:55

Fine

63

65

60

Operation of hydraulic excavator and drum track

Road traffic noise.

N.A

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

12-Mar-10

13:46

14:16

Fine

65

67

60

Operation of hydraulic excavator and drum track

Road traffic noise.

N.A

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

19-Mar-10

10:02

10:32

Fine

67

69

62

Operation of hydraulic excavator and drum track

Road traffic noise.

N.A

21.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

22-Mar-10

14:15

14:45

Fine

69

71

66

Operation of hydraulic excavator and drum track

Road traffic noise.

N.A

21.5

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

31-Mar-10

13:30

14:00

Fine

67

70

64

Operation of mini-excavator and drum track

Road traffic noise.

N.A

21.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

09-Apr-10

09:23

09:53

Fine

65

67

60

Loading activities

Road traffic noise.

N.A

19.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

15-Apr-10

09:30

10:00

Rainy

67

69

64

Loading activities and operation of hydraulic excavator and drum track

Road traffic noise.

N.A

16.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

21-Apr-10

13:30

14:00

Sunny

64

67

58

Loading activities

Road traffic noise.

N.A

26

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

26-Apr-10

09:40

10:10

Cloudy

64

66

59

Loading activities

Road traffic noise.

N.A

21.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

03-May-10

09:30

10:00

Sunny

62

64

58

N.A

Road traffic noise.

N.A

24.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

11-May-10

13:30

14:00

Sunny

64

66

62

Operation of machine

Road traffic noise.

N.A

23.9

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

17-May-10

09:30

10:00

Sunny

66

66

61

Operation of hand-held breaker

Road traffic noise.

N.A

25.2

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

24-May-10

11:20

11:50

Sunny

64

66

59

Some loading activities

Road traffic noise.

N.A

26

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

04-Jun-10

13:42

14:12

Cloudy

68

70

67

Some loading activities

Operation of mobile crane by other contractor in The John F. Kennedy Centre Annex where near the Chuk Lam Ming Tong and road traffic noise

N.A

24.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

09-Jun-10

14:11

14:41

Cloudy

67

69

61

Some loading activities

Minor road side construction work  adjcent the Sandy PTW

N.A

25.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

15-Jun-10

14:09

14:39

Cloudy

66

68

62

N.A

Road traffic noise.

N.A

29.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

21-Jun-10

09:54

10:24

Cloudy

62

64

58

Some loading activities

Road traffic noise.

N.A

29.6

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

28-Jun-10

09:52

10:22

Cloudy

65

67

61

Some loading activities

Road traffic noise and minor road side construction near the Sandy Bay PTW

N.A

25.5

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

06-Jul-10

13:32

14:02

Sunny

62

64

58

Some loading activities

Road traffic noise

N.A

30

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

12-Jul-10

13:40

14:10

Sunny

65

66

61

Some loading activities

Road traffic noise

N.A

30.2

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

19-Jul-10

10:39

11:09

Sunny

65

67

60

Some loading activities

Road traffic noise

N.A

29.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

29-Jul-10

10:18

10:48

Cloudy

63

64

61

Capping beam and breaking of guide wall

Road traffic noise

N.A

28.5

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

03-Aug-10

13:40

14:10

Sunny

73

76

68

Capping beam and breaking of guide wall

Road traffic noise, road traffic noise, excavating and hand-hold breaker operate adjcent the site

N.A

29.1

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

09-Aug-10

09:43

10:13

Sunny

71

76

60

Capping beam and breaking of guide wall

Road traffic noise, hand-hold breaker operate adjcent the site

N.A

29.6

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

Min.

62

Max.

65