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

01/04/2006

07:00-19:00

--

--

--

--

01/04/2006

19:00-23:00

35

31

31

26

01/04/2006

23:00-07:00

35

30

30

25

02/04/2006

07:00-23:00

48

41

40

34

02/04/2006

23:00-07:00

40

32

35

28

03/04/2006

07:00-19:00

38

38

33

33

03/04/2006

19:00-23:00

42

38

37

33

03/04/2006

23:00-07:00

41

35

36

30

04/04/2006

07:00-19:00

--

--

--

--

04/04/2006

19:00-23:00

38

31

33

26

04/04/2006

23:00-07:00

35

33

30

28

05/04/2006

07:00-23:00

50

41

41

35

05/04/2006

23:00-07:00

34

30

29

25

06/04/2006

07:00-19:00

--

--

--

--

06/04/2006

19:00-23:00

35

34

31

29

06/04/2006

23:00-07:00

34

28

29

24

07/04/2006

07:00-19:00

--

--

--

--

07/04/2006

19:00-23:00

37

36

32

31

07/04/2006

23:00-07:00

45

37

40

32

08/04/2006

07:00-19:00

43

40

38

35

08/04/2006

19:00-23:00

40

34

36

30

08/04/2006

23:00-07:00

38

34

33

29

09/04/2006

07:00-23:00

44

37

38

31

09/04/2006

23:00-07:00

38

33

33

28

10/04/2006

07:00-19:00

28

28

23

23

10/04/2006

19:00-23:00

28

25

23

20

10/04/2006

23:00-07:00

42

39

37

34

11/04/2006

07:00-19:00

--

--

--

--

11/04/2006

19:00-23:00

31

31

26

26

11/04/2006

23:00-07:00

45

41

37

34

12/04/2006

07:00-19:00

--

--

--

--

12/04/2006

19:00-23:00

--

--

--

--

12/04/2006

23:00-07:00

43

36

37

31

13/04/2006

07:00-19:00

--

--

--

--

13/04/2006

19:00-23:00

35

33

31

28

13/04/2006

23:00-07:00

44

39

32

27

14/04/2006

07:00-23:00

41

37

36

31

14/04/2006

23:00-07:00

39

30

34

25

15/04/2006

07:00-23:00

35

29

30

25

15/04/2006

23:00-07:00

37

31

33

27

16/04/2006

07:00-23:00

41

34

36

33

16/04/2006

23:00-07:00

39

32

29

26

17/04/2006

07:00-23:00

41

37

36

31

17/04/2006

23:00-07:00

41

36

36

31

18/04/2006

07:00-19:00

--

--

--

--

18/04/2006

19:00-23:00

35

32

30

28

18/04/2006

23:00-07:00

38

33

33

28

19/04/2006

07:00-19:00

--

--

--

--

19/04/2006

19:00-23:00

29

27

25

23

19/04/2006

23:00-07:00

43

34

38

29

20/04/2006

07:00-19:00

--

--

--

--

20/04/2006

19:00-23:00

38

35

33

31

20/04/2006

23:00-07:00

37

35

32

30

21/04/2006

07:00-19:00

--

--

--

--

21/04/2006

19:00-23:00

35

33

31

29

21/04/2006

23:00-07:00

35

31

30

26

22/04/2006

07:00-19:00

--

--

--

--

22/04/2006

19:00-23:00

42

40

37

35

22/04/2006

23:00-07:00

43

36

39

32

23/04/2006

07:00-23:00

37

32

33

28

23/04/2006

23:00-07:00

45

39

41

34

24/04/2006

07:00-19:00

--

--

--

--

24/04/2006

19:00-23:00

36

33

31

29

24/04/2006

23:00-07:00

38

32

33

28

25/04/2006

07:00-19:00

--

--

--

--

25/04/2006

19:00-23:00

30

25

26

21

25/04/2006

23:00-07:00

34

33

29

28

26/04/2006

07:00-19:00

--

--

--

--

26/04/2006

19:00-23:00

28

25

24

21

26/04/2006

23:00-07:00

45

39

40

34

27/04/2006

07:00-19:00

--

--

--

--

27/04/2006

19:00-23:00

--

--

--

--

27/04/2006

23:00-07:00

41

35

37

31

28/04/2006

07:00-19:00

--

--

--

--

28/04/2006

19:00-23:00

--

--

--

--

28/04/2006

23:00-07:00

38

34

34

30

29/04/2006

07:00-19:00

--

--

38

37

29/04/2006

19:00-23:00

--

--

35

33

29/04/2006

23:00-07:00

--

--

42

36

30/04/2006

07:00-23:00

49

45

39

36

30/04/2006

23:00-07:00

31

28

27

23

 

 

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))

04/04/2006

10:00-10:30

--

10:40-11:10

--

07/04/2006

14:00-14:30

--

14:40-15:10

--

11/04/2006

10:00-10:30

--

10:40-11:10

--

13/04/2006

14:00-14:30

--

14:40-15:10

--

18/04/2006

10:00-10:30

--

10:40-11:10

--

21/04/2006

14:00-14:30

--

14:40-15:10

--

25/04/2006

10:00-10:30

--

10:40-11:10

--

28/04/2006

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  **