NOISE

 

a. CONTINUOUS NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Superstructure

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

01/12/2004

07:00-19:00

48

45

38

36

01/12/2004

19:00-23:00

45

44

40

37

01/12/2004

23:00-07:00

33

28

29

24

02/12/2004

07:00-19:00

45

43

27

26

02/12/2004

19:00-23:00

46

44

39

35

02/12/2004

23:00-07:00

36

29

32

26

03/12/2004

07:00-19:00

45

41

37

35

03/12/2004

19:00-23:00

44

44

36

33

03/12/2004

23:00-07:00

45

33

40

29

04/12/2004

07:00-19:00

42

41

38

36

04/12/2004

19:00-23:00

42

42

37

34

04/12/2004

23:00-07:00

36

29

32

25

05/12/2004

07:00-23:00

45

41

38

34

05/12/2004

23:00-07:00

35

29

31

25

06/12/2004

07:00-19:00

44

42

38

36

06/12/2004

19:00-23:00

45

44

39

36

06/12/2004

23:00-07:00

38

32

33

28

07/12/2004

07:00-19:00

42

41

36

36

07/12/2004

19:00-23:00

42

42

36

33

07/12/2004

23:00-07:00

36

29

31

24

08/12/2004

07:00-19:00

43

41

37

35

08/12/2004

19:00-23:00

44

43

39

37

08/12/2004

23:00-07:00

34

28

28

24

09/12/2004

07:00-19:00

42

40

36

35

09/12/2004

19:00-23:00

43

43

38

37

09/12/2004

23:00-07:00

42

31

38

28

10/12/2004

07:00-19:00

41

38

31

31

10/12/2004

19:00-23:00

43

42

38

36

10/12/2004

23:00-07:00

36

31

32

27

11/12/2004

07:00-19:00

43

39

--

--

11/12/2004

19:00-23:00

44

41

39

36

11/12/2004

23:00-07:00

34

28

29

26

12/12/2004

07:00-23:00

44

40

--

--

12/12/2004

23:00-07:00

38

31

30

27

13/12/2004

07:00-19:00

39

37

--

--

13/12/2004

19:00-23:00

43

41

37

34

13/12/2004

23:00-07:00

36

31

31

26

14/12/2004

07:00-19:00

47

45

--

--

14/12/2004

19:00-23:00

48

48

38

33

14/12/2004

23:00-07:00

35

29

30

24

15/12/2004

07:00-19:00

47

43

33

31

15/12/2004

19:00-23:00

44

44

39

37

15/12/2004

23:00-07:00

33

28

28

24

16/12/2004

07:00-19:00

49

45

35

34

16/12/2004

19:00-23:00

47

46

43

37

16/12/2004

23:00-07:00

37

30

33

26

17/12/2004

07:00-19:00

47

44

38

36

17/12/2004

19:00-23:00

46

44

41

35

17/12/2004

23:00-07:00

39

30

34

25

18/12/2004

07:00-19:00

47

43

34

33

18/12/2004

19:00-23:00

47

46

39

36

18/12/2004

23:00-07:00

38

30

33

25

19/12/2004

07:00-23:00

49

45

42

37

19/12/2004

23:00-07:00

45

38

37

31

20/12/2004

07:00-19:00

45

41

--

--

20/12/2004

19:00-23:00

42

42

37

36

20/12/2004

23:00-07:00

35

30

29

26

21/12/2004

07:00-19:00

46

43

35

33

21/12/2004

19:00-23:00

--

--

--

--

21/12/2004

23:00-07:00

37

30

28

25

22/12/2004

07:00-19:00

45

42

39

36

22/12/2004

19:00-23:00

43

43

39

37

22/12/2004

23:00-07:00

36

30

32

29

23/12/2004

07:00-19:00

42

39

35

35

23/12/2004

19:00-23:00

43

42

36

32

23/12/2004

23:00-07:00

29

27

--

--

24/12/2004

07:00-19:00

43

41

--

--

24/12/2004

19:00-23:00

41

40

35

31

24/12/2004

23:00-07:00

33

32

29

27

25/12/2004

07:00-23:00

33

31

28

28

25/12/2004

23:00-07:00

30

30

--

--

26/12/2004

07:00-23:00

43

42

37

35

26/12/2004

23:00-07:00

28

28

24

24

27/12/2004

07:00-23:00

46

42

39

34

27/12/2004

23:00-07:00

37

30

41

32

28/12/2004

07:00-19:00

--

--

--

--

28/12/2004

19:00-23:00

42

39

37

34

28/12/2004

23:00-07:00

34

30

30

26

29/12/2004

07:00-19:00

43

41

--

--

29/12/2004

19:00-23:00

41

40

36

34

29/12/2004

23:00-07:00

41

36

31

26

30/12/2004

07:00-19:00

41

38

--

--

30/12/2004

19:00-23:00

41

41

37

36

30/12/2004

23:00-07:00

40

33

35

29

31/12/2004

07:00-19:00

41

39

36

34

31/12/2004

19:00-23:00

40

38

29

29

31/12/2004

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))

03/12/2004

10:00-10:30

57.0

10:40–11:10

55.6

07/12/2004

14:00-14:30

--

14:40–15:10

56.5

10/12/2004

10:00-10:30

--

10:40–11:10

58.2

14/12/2004

14:00-14:30

59.2

14:40–15:10

41.6

17/12/2004

10:00-10:30

--

10:40–11:10

44.7

21/12/2004

14:00-14:30

--

14:40–15:10

--

24/12/2004

10:00-10:30

--

10:40–11:10

52.3

28/12/2004

14:00-14:30

59.4

14:40–15:10

--

31/12/2004

10:00-10:30

57.5

10:40–11:10

--

 

 

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

 

**  END OF REPORT  **