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

01/01/2006

07:00-23:00

42

31

38

31

01/01/2006

23:00-07:00

35

30

30

27

02/01/2006

07:00-23:00

40

37

35

32

02/01/2006

23:00-07:00

37

32

32

29

03/01/2006

07:00-19:00

50

46

41

37

03/01/2006

19:00-23:00

--

--

--

--

03/01/2006

23:00-07:00

38

33

33

29

04/01/2006

07:00-19:00

43

39

37

35

04/01/2006

19:00-23:00

19

19

14

14

04/01/2006

23:00-07:00

39

33

34

28

05/01/2006

07:00-19:00

41

38

36

33

05/01/2006

19:00-23:00

30

30

25

25

05/01/2006

23:00-07:00

28

23

24

19

06/01/2006

07:00-19:00

36

32

31

27

06/01/2006

19:00-23:00

30

27

25

23

06/01/2006

23:00-07:00

40

34

35

29

07/01/2006

07:00-19:00

--

--

--

--

07/01/2006

19:00-23:00

38

36

33

31

07/01/2006

23:00-07:00

44

40

39

35

08/01/2006

07:00-23:00

41

38

36

32

08/01/2006

23:00-07:00

37

33

32

28

09/01/2006

07:00-19:00

--

--

--

--

09/01/2006

19:00-23:00

--

--

--

--

09/01/2006

23:00-07:00

38

33

34

29

10/01/2006

07:00-19:00

35

35

29

29

10/01/2006

19:00-23:00

29

29

24

24

10/01/2006

23:00-07:00

39

33

34

28

11/01/2006

07:00-19:00

--

--

--

--

11/01/2006

19:00-23:00

26

26

22

22

11/01/2006

23:00-07:00

35

31

30

26

12/01/2006

07:00-19:00

--

--

--

--

12/01/2006

19:00-23:00

28

28

23

23

12/01/2006

23:00-07:00

37

33

33

28

13/01/2006

07:00-19:00

--

--

--

--

13/01/2006

19:00-23:00

--

--

--

--

13/01/2006

23:00-07:00

35

30

30

25

14/01/2006

07:00-19:00

--

--

--

--

14/01/2006

19:00-23:00

37

37

33

33

14/01/2006

23:00-07:00

35

28

30

24

15/01/2006

07:00-23:00

41

35

37

29

15/01/2006

23:00-07:00

36

33

31

28

16/01/2006

07:00-19:00

38

38

33

33

16/01/2006

19:00-23:00

30

30

25

25

16/01/2006

23:00-07:00

33

29

28

25

17/01/2006

07:00-19:00

42

38

--

--

17/01/2006

19:00-23:00

33

30

29

27

17/01/2006

23:00-07:00

39

35

34

30

18/01/2006

07:00-19:00

37

35

32

30

18/01/2006

19:00-23:00

37

31

32

26

18/01/2006

23:00-07:00

36

31

32

27

19/01/2006

07:00-19:00

40

35

28

27

19/01/2006

19:00-23:00

33

30

29

26

19/01/2006

23:00-07:00

37

31

33

29

20/01/2006

07:00-19:00

33

33

25

25

20/01/2006

19:00-23:00

--

--

--

--

20/01/2006

23:00-07:00

35

30

30

25

21/01/2006

07:00-19:00

--

--

--

--

21/01/2006

19:00-23:00

37

34

32

27

21/01/2006

23:00-07:00

--

--

32

27

22/01/2006

07:00-23:00

27

25

40

33

22/01/2006

23:00-07:00

41

37

35

30

23/01/2006

07:00-19:00

30

28

--

--

23/01/2006

19:00-23:00

30

27

26

26

23/01/2006

23:00-07:00

39

31

34

27

24/01/2006

07:00-19:00

37

37

--

--

24/01/2006

19:00-23:00

47

39

30

27

24/01/2006

23:00-07:00

38

33

33

28

25/01/2006

07:00-19:00

--

--

--

--

25/01/2006

19:00-23:00

43

41

38

36

25/01/2006

23:00-07:00

37

33

32

29

26/01/2006

07:00-19:00

--

--

--

--

26/01/2006

19:00-23:00

36

35

31

30

26/01/2006

23:00-07:00

35

32

31

27

27/01/2006

07:00-19:00

--

--

--

--

27/01/2006

19:00-23:00

46

42

42

39

27/01/2006

23:00-07:00

42

34

37

30

28/01/2006

07:00-23:00

42

39

37

35

28/01/2006

23:00-07:00

42

35

37

32

29/01/2006

07:00-23:00

44

40

38

38

29/01/2006

23:00-07:00

34

31

--

--

30/01/2006

07:00-23:00

--

--

--

--

30/01/2006

23:00-07:00

43

35

39

35

31/01/2006

07:00-23:00

37

32

32

27

31/01/2006

23:00-07:00

36

33

31

29

 

 

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))

03/01/2006

10:00-10:30

55.5

10:40-11:10

--

06/01/2006

14:00-14:30

56.7

14:40-15:10

--

10/01/2006

10:40-11:10

--

10:00-10:30

--

13/01/2006

14:00-14:30

--

14:40-15:10

--

17/01/2006

10:40-11:10

--

10:00-10:30

--

20/01/2006

14:40-15:10

--

14:00-14:30

--

24/01/2006

10:40-11:10

--

10:00-10:30

--

27/01/2006

14:40-15:10

--

14:00-14:30

--

 

 

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

 

**  END OF REPORT  **