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

01/07/2004

07:00-23:00

39

32

28

23

01/07/2004

23:00-07:00

45

41

39

36

02/07/2004

07:00-19:00

46

42

41

36

02/07/2004

19:00-23:00

44

41

40

36

02/07/2004

23:00-07:00

42

37

37

32

03/07/2004

07:00-19:00

43

42

39

36

03/07/2004

19:00-23:00

44

42

39

36

03/07/2004

23:00-07:00

34

28

29

23

04/07/2004

07:00-23:00

44

41

39

35

04/07/2004

23:00-07:00

34

32

30

27

05/07/2004

07:00-19:00

43

41

39

35

05/07/2004

19:00-23:00

43

43

39

37

05/07/2004

23:00-07:00

--

--

--

--

06/07/2004

07:00-19:00

44

42

38

36

06/07/2004

19:00-23:00

41

40

36

35

06/07/2004

23:00-07:00

--

--

--

--

07/07/2004

07:00-19:00

43

41

38

35

07/07/2004

19:00-23:00

42

42

38

37

07/07/2004

23:00-07:00

--

--

--

--

08/07/2004

07:00-19:00

45

43

40

36

08/07/2004

19:00-23:00

45

42

40

37

08/07/2004

23:00-07:00

--

--

--

--

09/07/2004

07:00-19:00

43

42

37

35

09/07/2004

19:00-23:00

--

--

--

--

09/07/2004

23:00-07:00

26

26

21

21

10/07/2004

07:00-19:00

41

40

36

36

10/07/2004

19:00-23:00

43

40

38

36

10/07/2004

23:00-07:00

--

--

--

--

11/07/2004

07:00-23:00

46

43

--

--

11/07/2004

23:00-07:00

27

24

--

--

12/07/2004

07:00-19:00

44

42

38

36

12/07/2004

19:00-23:00

45

43

40

35

12/07/2004

23:00-07:00

38

33

34

28

13/07/2004

07:00-19:00

42

41

37

35

13/07/2004

19:00-23:00

45

44

39

35

13/07/2004

23:00-07:00

34

30

30

25

14/07/2004

07:00-19:00

48

45

43

39

14/07/2004

19:00-23:00

42

41

37

34

14/07/2004

23:00-07:00

44

37

37

32

15/07/2004

07:00-19:00

45

42

41

36

15/07/2004

19:00-23:00

42

42

38

36

15/07/2004

23:00-07:00

34

34

29

29

16/07/2004

07:00-19:00

--

--

--

--

16/07/2004

19:00-23:00

44

38

40

35

16/07/2004

23:00-07:00

35

35

30

30

17/07/2004

07:00-19:00

45

41

37

34

17/07/2004

19:00-23:00

44

42

39

34

17/07/2004

23:00-07:00

34

32

29

27

18/07/2004

07:00-23:00

47

40

42

33

18/07/2004

23:00-07:00

33

30

29

26

19/07/2004

07:00-19:00

44

42

39

37

19/07/2004

19:00-23:00

41

40

37

35

19/07/2004

23:00-07:00

39

35

35

31

20/07/2004

07:00-19:00

44

41

39

33

20/07/2004

19:00-23:00

42

41

37

34

20/07/2004

23:00-07:00

42

32

37

27

21/07/2004

07:00-19:00

43

41

38

35

21/07/2004

19:00-23:00

42

41

37

36

21/07/2004

23:00-07:00

40

34

36

29

22/07/2004

07:00-19:00

43

40

38

35

22/07/2004

19:00-23:00

43

41

38

35

22/07/2004

23:00-07:00

28

26

24

22

23/07/2004

07:00-19:00

44

41

36

32

23/07/2004

19:00-23:00

44

42

39

35

23/07/2004

23:00-07:00

33

28

28

23

24/07/2004

07:00-19:00

42

39

--

--

24/07/2004

19:00-23:00

43

41

37

32

24/07/2004

23:00-07:00

31

30

27

25

25/07/2004

07:00-23:00

52

46

37

32

25/07/2004

23:00-07:00

32

28

27

23

26/07/2004

07:00-19:00

51

48

39

33

26/07/2004

19:00-23:00

41

38

37

32

26/07/2004

23:00-07:00

36

36

29

28

27/07/2004

07:00-19:00

35

35

30

30

27/07/2004

19:00-23:00

40

38

35

34

27/07/2004

23:00-07:00

37

37

--

--

28/07/2004

07:00-19:00

40

37

33

32

28/07/2004

19:00-23:00

40

39

35

34

28/07/2004

23:00-07:00

45

37

40

32

29/07/2004

07:00-19:00

43

40

38

35

29/07/2004

19:00-23:00

44

40

39

35

29/07/2004

23:00-07:00

36

30

32

26

30/07/2004

07:00-19:00

41

39

32

31

30/07/2004

19:00-23:00

44

40

40

34

30/07/2004

23:00-07:00

30

26

25

21

31/07/2004

07:00-19:00

41

39

34

32

31/07/2004

19:00-23:00

40

39

35

32

31/07/2004

23:00-07:00

32

26

27

22

 

 

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))

03/07/2004

15:15-15:45

61.9

14:35–15:05

59.6

07/07/2004

14:35-15:05

62.6

15:15–15:45

58.2

10/07/2004

14:00-14:30

48.5

14:40–15:10

48.5

14/07/2004

14:00-14:30

57.0

15:00–15:30

--

17/07/2004

10:00-10:30

57.8

10:40–11:10

--

20/07/2004

14:07-14:37

66.9

14:45–15:15

51.7

23/07/2004

10:00-10:30

60.9

11:15–11:45

--

 

 

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

 

**  END OF REPORT  **