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

01/01/2005

07:00-23:00

31

31

--

--

01/01/2005

23:00-07:00

34

30

--

--

02/01/2005

07:00-23:00

44

42

35

32

02/01/2005

23:00-07:00

43

37

33

29

03/01/2005

07:00-19:00

48

42

38

37

03/01/2005

19:00-23:00

39

39

34

31

03/01/2005

23:00-07:00

44

39

39

33

04/01/2005

07:00-19:00

--

--

--

--

04/01/2005

19:00-23:00

34

29

34

26

04/01/2005

23:00-07:00

--

--

40

35

05/01/2005

07:00-19:00

--

--

--

--

05/01/2005

19:00-23:00

36

28

31

24

05/01/2005

23:00-07:00

36

34

31

29

06/01/2005

07:00-19:00

37

37

--

--

06/01/2005

19:00-23:00

39

38

34

34

06/01/2005

23:00-07:00

21

21

16

16

07/01/2005

07:00-19:00

40

37

35

33

07/01/2005

19:00-23:00

43

41

38

36

07/01/2005

23:00-07:00

28

26

23

22

08/01/2005

07:00-19:00

40

36

34

30

08/01/2005

19:00-23:00

41

40

36

35

08/01/2005

23:00-07:00

34

31

29

26

09/01/2005

07:00-23:00

43

41

39

34

09/01/2005

23:00-07:00

32

29

26

24

10/01/2005

07:00-19:00

39

35

32

29

10/01/2005

19:00-23:00

40

39

36

35

10/01/2005

23:00-07:00

38

35

33

31

11/01/2005

07:00-19:00

40

36

32

28

11/01/2005

19:00-23:00

41

39

36

34

11/01/2005

23:00-07:00

37

35

32

30

12/01/2005

07:00-19:00

37

35

28

28

12/01/2005

19:00-23:00

41

37

36

32

12/01/2005

23:00-07:00

32

32

27

27

13/01/2005

07:00-19:00

48

45

40

35

13/01/2005

19:00-23:00

48

46

42

40

13/01/2005

23:00-07:00

--

--

43

41

14/01/2005

07:00-19:00

48

45

43

38

14/01/2005

19:00-23:00

47

45

37

34

14/01/2005

23:00-07:00

--

--

41

37

15/01/2005

07:00-19:00

45

41

36

33

15/01/2005

19:00-23:00

42

41

37

35

15/01/2005

23:00-07:00

--

--

38

34

16/01/2005

07:00-23:00

45

39

37

33

16/01/2005

23:00-07:00

44

40

39

35

17/01/2005

07:00-19:00

42

41

37

35

17/01/2005

19:00-23:00

45

42

40

36

17/01/2005

23:00-07:00

41

39

37

34

18/01/2005

07:00-19:00

46

40

41

35

18/01/2005

19:00-23:00

48

46

40

37

18/01/2005

23:00-07:00

43

39

38

34

19/01/2005

07:00-19:00

48

42

40

34

19/01/2005

19:00-23:00

47

44

41

37

19/01/2005

23:00-07:00

40

38

35

34

20/01/2005

07:00-19:00

47

44

41

38

20/01/2005

19:00-23:00

43

43

39

38

20/01/2005

23:00-07:00

--

--

--

--

21/01/2005

07:00-19:00

49

45

39

37

21/01/2005

19:00-23:00

46

45

41

40

21/01/2005

23:00-07:00

31

29

27

24

22/01/2005

07:00-19:00

--

--

--

--

22/01/2005

19:00-23:00

--

--

--

--

22/01/2005

23:00-07:00

35

35

31

30

23/01/2005

07:00-23:00

37

33

32

28

23/01/2005

23:00-07:00

18

18

13

13

24/01/2005

07:00-19:00

--

--

--

--

24/01/2005

19:00-23:00

--

--

--

--

24/01/2005

23:00-07:00

31

31

26

26

25/01/2005

07:00-19:00

--

--

--

--

25/01/2005

19:00-23:00

--

--

--

--

25/01/2005

23:00-07:00

34

34

29

29

26/01/2005

07:00-19:00

--

--

--

--

26/01/2005

19:00-23:00

--

--

--

--

26/01/2005

23:00-07:00

36

34

32

30

27/01/2005

07:00-19:00

--

--

--

--

27/01/2005

19:00-23:00

--

--

--

--

27/01/2005

23:00-07:00

20

20

15

15

28/01/2005

07:00-19:00

--

--

--

--

28/01/2005

19:00-23:00

--

--

--

--

28/01/2005

23:00-07:00

--

--

--

--

29/01/2005

07:00-19:00

--

--

--

--

29/01/2005

19:00-23:00

--

--

--

--

29/01/2005

23:00-07:00

--

--

--

--

30/01/2005

07:00-23:00

32

29

25

22

30/01/2005

23:00-07:00

42

38

37

33

31/01/2005

07:00-19:00

47

44

43

39

31/01/2005

19:00-23:00

28

27

24

23

31/01/2005

23:00-07:00

31

31

27

27

 

 

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))

04/01/2005

14:00-14:30

58.5

14:40–15:10

51.4

07/01/2005

10:00-10:30

64.0

10:40–11:10

--

11/01/2005

14:00-14:30

57.5

14:40–15:10

56.5

14/01/2005

10:00-10:30

47.3

10:40–11:10

45.8

18/01/2005

14:00-14:30

57.2

14:40–15:10

47.3

21/01/2005

10:00-10:30

63.4

10:40–11:10

59.2

25/01/2005

14:00-14:30

56.5

14:40–15:10

60.0

28/01/2005

10:00-10:30

59.6

10:40–11:10

59.5

 

 

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

 

**  END OF REPORT  **