NOISE

 

a. CONTINUOUS NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Superstructure and E&M Works

Measurement Location:

Ash Lagoon and Ching Lam

Measurement Parameter:

30-min Leq (07:00-19:00 hrs on normal weekdays)

 

5-min Leq (07:00-23:00 hrs on holidays and

19:00-23:00 hrs on all other days, and 23:00-07:00 hrs of next day)

 

NSR-1:

Long Tsai Tsuen/Hung Shing Ye

NSR-2:

School within Tai Wan San Tsuen

 

Date

Time

Calculated Noise Level at NSR-1

(dB(A))

Calculated Noise Level at NSR-2

(dB(A))

Max

Avg

Max

Avg

01/04/2005

07:00-19:00

44

43

--

--

01/04/2005

19:00-23:00

--

--

--

--

01/04/2005

23:00-07:00

36

35

31

31

02/04/2005

07:00-19:00

--

--

--

--

02/04/2005

19:00-23:00

31

31

27

27

02/04/2005

23:00-07:00

36

32

32

28

03/04/2005

07:00-23:00

43

39

38

35

03/04/2005

23:00-07:00

38

30

33

25

04/04/2005

07:00-19:00

42

40

38

35

04/04/2005

19:00-23:00

19

19

15

15

04/04/2005

23:00-07:00

--

--

--

--

05/04/2005

07:00-23:00

42

39

37

34

05/04/2005

23:00-07:00

32

29

27

24

06/04/2005

07:00-19:00

39

37

34

32

06/04/2005

19:00-23:00

36

36

31

31

06/04/2005

23:00-07:00

33

30

29

26

07/04/2005

07:00-19:00

38

37

33

31

07/04/2005

19:00-23:00

--

--

--

--

07/04/2005

23:00-07:00

33

31

29

27

08/04/2005

07:00-19:00

42

42

32

32

08/04/2005

19:00-23:00

33

33

28

28

08/04/2005

23:00-07:00

38

33

33

28

09/04/2005

07:00-19:00

--

--

--

--

09/04/2005

19:00-23:00

--

--

--

--

09/04/2005

23:00-07:00

34

30

29

26

10/04/2005

07:00-23:00

46

43

--

--

10/04/2005

23:00-07:00

33

31

28

26

11/04/2005

07:00-19:00

36

32

32

28

11/04/2005

19:00-23:00

--

--

--

--

11/04/2005

23:00-07:00

41

36

36

32

12/04/2005

07:00-19:00

40

38

35

32

12/04/2005

19:00-23:00

15

15

10

10

12/04/2005

23:00-07:00

36

28

32

23

13/04/2005

07:00-19:00

33

31

28

25

13/04/2005

19:00-23:00

34

31

25

23

13/04/2005

23:00-07:00

34

30

29

27

14/04/2005

07:00-19:00

35

32

--

--

14/04/2005

19:00-23:00

43

40

38

35

14/04/2005

23:00-07:00

35

34

30

29

15/04/2005

07:00-19:00

35

33

26

26

15/04/2005

19:00-23:00

--

--

--

--

15/04/2005

23:00-07:00

34

29

29

24

16/04/2005

07:00-19:00

--

--

--

--

16/04/2005

19:00-23:00

37

31

33

26

16/04/2005

23:00-07:00

36

30

32

26

17/04/2005

07:00-23:00

41

33

36

29

17/04/2005

23:00-07:00

37

29

32

25

18/04/2005

07:00-19:00

42

38

36

33

18/04/2005

19:00-23:00

--

--

--

--

18/04/2005

23:00-07:00

43

38

39

33

19/04/2005

07:00-19:00

37

36

32

32

19/04/2005

19:00-23:00

26

26

22

22

19/04/2005

23:00-07:00

37

30

33

26

20/04/2005

07:00-19:00

41

36

36

31

20/04/2005

19:00-23:00

34

34

29

29

20/04/2005

23:00-07:00

28

28

23

23

21/04/2005

07:00-19:00

43

38

38

34

21/04/2005

19:00-23:00

29

29

24

24

21/04/2005

23:00-07:00

35

29

31

25

22/04/2005

07:00-19:00

40

36

36

32

22/04/2005

19:00-23:00

--

--

--

--

22/04/2005

23:00-07:00

43

37

38

32

23/04/2005

07:00-19:00

33

33

29

29

23/04/2005

19:00-23:00

--

--

--

--

23/04/2005

23:00-07:00

35

29

30

25

24/04/2005

07:00-23:00

49

44

40

35

24/04/2005

23:00-07:00

42

38

37

33

25/04/2005

07:00-19:00

--

--

--

--

25/04/2005

19:00-23:00

37

33

33

29

25/04/2005

23:00-07:00

30

28

26

23

26/04/2005

07:00-19:00

38

32

33

28

26/04/2005

19:00-23:00

23

23

19

19

26/04/2005

23:00-07:00

39

32

34

27

27/04/2005

07:00-19:00

37

37

33

33

27/04/2005

19:00-23:00

43

34

39

30

27/04/2005

23:00-07:00

38

33

33

28

28/04/2005

07:00-19:00

--

--

--

--

28/04/2005

19:00-23:00

--

--

--

--

28/04/2005

23:00-07:00

35

33

31

28

29/04/2005

07:00-19:00

33

30

28

25

29/04/2005

19:00-23:00

29

26

24

21

29/04/2005

23:00-07:00

13

13

8

8

30/04/2005

07:00-19:00

--

--

--

--

30/04/2005

19:00-23:00

--

--

--

--

30/04/2005

23:00-07:00

--

--

--

--

 

 

b. MANUAL NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Transmission System

Measurement Location:

Pak Kok Tsui

Measurement Parameter:

30-min Leq (07:00-19:00 hrs on normal weekdays)

 

N4:

Pak Kok Tsui No.2

N5:

Pak Kok Tsui No.8

 

Date

Time

Corrected

Noise Level

at N4 (dB(A))

Time

Corrected

Noise Level

at N5 (dB(A))

01/04/2005

10:00-10:30

52.6

10:40–11:10

55.3

06/04/2005

14:00-14:30

65.8

14:40–15:10

48.5

09/04/2005

10:00-10:30

49.0

10:40–11:10

48.0

12/04/2005

14:00-14:30

52.6

14:40–15:10

55.6

13/04/2005

10:00-10:30

44.7

10:40–11:10

52.6

15/04/2005

10:00-10:30

38.6

10:40–11:10

--

19/04/2005

14:00-14:30

55.8

14:40–15:10

52.0

22/04/2005

10:00-10:30

58.7

10:40–11:10

56.5

26/04/2005

14:00-14:30

52.6

14:40–15:10

56.7

29/04/2005

10:00-10:30

62.0

10:40–11:10

59.1

 

 

Note:

1.          --“ represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

2.          The data on 13/04/2005 is the makeup manual noise monitoring result for 24/03/2005.

 

**  END OF REPORT  **