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

01/10/2005

07:00-23:00

46

39

36

32

01/10/2005

23:00-07:00

39

35

34

30

02/10/2005

07:00-23:00

43

38

39

33

02/10/2005

23:00-07:00

39

35

35

30

03/10/2005

07:00-19:00

44

44

39

39

03/10/2005

19:00-23:00

--

--

--

--

03/10/2005

23:00-07:00

38

32

33

27

04/10/2005

07:00-19:00

--

--

--

--

04/10/2005

19:00-23:00

--

--

--

--

04/10/2005

23:00-07:00

34

30

29

25

05/10/2005

07:00-19:00

--

--

--

--

05/10/2005

19:00-23:00

--

--

--

--

05/10/2005

23:00-07:00

41

35

36

30

06/10/2005

07:00-19:00

--

--

--

--

06/10/2005

19:00-23:00

--

--

--

--

06/10/2005

23:00-07:00

35

31

30

26

07/10/2005

07:00-19:00

--

--

--

--

07/10/2005

19:00-23:00

--

--

--

--

07/10/2005

23:00-07:00

40

31

35

26

08/10/2005

07:00-19:00

--

--

--

--

08/10/2005

19:00-23:00

31

28

27

24

08/10/2005

23:00-07:00

36

31

31

26

09/10/2005

07:00-23:00

40

36

35

33

09/10/2005

23:00-07:00

33

29

28

25

10/10/2005

07:00-19:00

--

--

--

--

10/10/2005

19:00-23:00

--

--

--

--

10/10/2005

23:00-07:00

33

29

29

25

11/10/2005

07:00-23:00

32

27

27

22

11/10/2005

23:00-07:00

33

29

28

24

12/10/2005

07:00-19:00

45

42

40

37

12/10/2005

19:00-23:00

31

31

27

26

12/10/2005

23:00-07:00

35

30

31

26

13/10/2005

07:00-19:00

--

--

--

--

13/10/2005

19:00-23:00

28

28

24

24

13/10/2005

23:00-07:00

33

31

29

26

14/10/2005

07:00-19:00

36

36

31

31

14/10/2005

19:00-23:00

--

--

--

--

14/10/2005

23:00-07:00

40

33

36

29

15/10/2005

07:00-19:00

--

--

--

--

15/10/2005

19:00-23:00

45

43

41

39

15/10/2005

23:00-07:00

35

32

31

27

16/10/2005

07:00-23:00

47

40

39

35

16/10/2005

23:00-07:00

35

31

30

26

17/10/2005

07:00-19:00

40

40

35

35

17/10/2005

19:00-23:00

--

--

--

--

17/10/2005

23:00-07:00

14

11

9

9

18/10/2005

07:00-19:00

31

29

27

25

18/10/2005

19:00-23:00

44

44

39

39

18/10/2005

23:00-07:00

39

32

35

28

19/10/2005

07:00-19:00

32

30

27

25

19/10/2005

19:00-23:00

38

37

34

32

19/10/2005

23:00-07:00

36

31

32

26

20/10/2005

07:00-19:00

38

36

33

31

20/10/2005

19:00-23:00

33

29

28

24

20/10/2005

23:00-07:00

39

31

35

27

21/10/2005

07:00-19:00

52

46

41

37

21/10/2005

19:00-23:00

29

29

25

25

21/10/2005

23:00-07:00

36

31

31

26

22/10/2005

07:00-19:00

--

--

--

--

22/10/2005

19:00-23:00

--

--

--

--

22/10/2005

23:00-07:00

36

30

31

25

23/10/2005

07:00-23:00

45

36

40

31

23/10/2005

23:00-07:00

36

32

32

28

24/10/2005

07:00-19:00

44

42

38

37

24/10/2005

19:00-23:00

28

28

23

23

24/10/2005

23:00-07:00

41

32

36

27

25/10/2005

07:00-19:00

43

42

39

37

25/10/2005

19:00-23:00

--

--

41

37

25/10/2005

23:00-07:00

--

--

35

30

26/10/2005

07:00-19:00

29

29

24

24

26/10/2005

19:00-23:00

--

--

--

--

26/10/2005

23:00-07:00

32

29

28

24

27/10/2005

07:00-19:00

41

40

36

35

27/10/2005

19:00-23:00

28

28

24

24

27/10/2005

23:00-07:00

36

32

31

27

28/10/2005

07:00-19:00

31

31

26

26

28/10/2005

19:00-23:00

--

--

--

--

28/10/2005

23:00-07:00

36

32

31

27

29/10/2005

07:00-19:00

--

--

--

--

29/10/2005

19:00-23:00

26

24

22

20

29/10/2005

23:00-07:00

35

31

30

26

30/10/2005

07:00-23:00

44

38

37

33

30/10/2005

23:00-07:00

34

30

29

25

31/10/2005

07:00-19:00

30

29

25

24

31/10/2005

19:00-23:00

--

--

--

--

31/10/2005

23:00-07:00

29

26

24

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))

04/10/2005

10:00-10:30

67.3

10:40–11:10

61.4

07/10/2005

14:00-14:30

47.3

14:40–15:10

38.6

10/10/2005

10:00-10:30

61.8

10:40–11:10

43.4

14/10/2005

14:00-14:30

63.8

14:40–15:10

50.7

18/10/2005

10:00-10:30

63.3

10:40–11:10

44.7

21/10/2005

14:00-14:30

68.1

14:40–15:10

--

25/10/2005

10:00-10:30

45.8

10:40–11:10

--

28/10/2005

14:00-14:30

--

14:40–15:10

--

 

 

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

 

**  END OF REPORT  **