NOISE

 

a. CONTINUOUS NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Site Formation

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

01/03/2002

07:00-19:00

38

38

33

33

01/03/2002

19:00-23:00

36

30

32

26

01/03/2002

23:00-07:00

35

32

31

28

02/03/2002

07:00-19:00

--

--

--

--

02/03/2002

19:00-23:00

29

27

22

21

02/03/2002

23:00-07:00

39

32

32

27

03/03/2002

07:00-23:00

48

37

30

26

03/03/2002

23:00-07:00

28

26

23

20

04/03/2002

07:00-19:00

--

--

--

--

04/03/2002

19:00-23:00

35

35

30

30

04/03/2002

23:00-07:00

36

31

28

25

05/03/2002

07:00-19:00

41

41

--

--

05/03/2002

19:00-23:00

39

35

34

31

05/03/2002

23:00-07:00

39

34

34

29

06/03/2002

07:00-19:00

42

42

37

37

06/03/2002

19:00-23:00

39

31

34

34

06/03/2002

23:00-07:00

36

31

--

--

07/03/2002

07:00-19:00

--

--

--

--

07/03/2002

19:00-23:00

30

25

25

23

07/03/2002

23:00-07:00

35

30

26

26

08/03/2002

07:00-19:00

--

--

--

--

08/03/2002

19:00-23:00

33

29

29

23

08/03/2002

23:00-07:00

44

36

38

32

09/03/2002

07:00-19:00

--

--

--

--

09/03/2002

19:00-23:00

22

21

--

--

09/03/2002

23:00-07:00

37

29

32

28

10/03/2002

07:00-23:00

51

41

33

26

10/03/2002

23:00-07:00

38

31

31

28

11/03/2002

07:00-19:00

--

--

--

--

11/03/2002

19:00-23:00

34

34

29

29

11/03/2002

23:00-07:00

33

29

28

24

12/03/2002

07:00-19:00

--

--

--

--

12/03/2002

19:00-23:00

38

35

30

27

12/03/2002

23:00-07:00

34

29

30

24

13/03/2002

07:00-19:00

--

--

--

--

13/03/2002

19:00-23:00

26

24

21

19

13/03/2002

23:00-07:00

37

30

33

25

14/03/2002

07:00-19:00

38

36

24

24

14/03/2002

19:00-23:00

31

27

26

22

14/03/2002

23:00-07:00

33

28

28

24

15/03/2002

07:00-19:00

--

--

--

--

15/03/2002

19:00-23:00

28

24

21

18

15/03/2002

23:00-07:00

43

32

38

27

16/03/2002

07:00-19:00

36

36

31

31

16/03/2002

19:00-23:00

35

29

30

27

16/03/2002

23:00-07:00

37

33

32

28

17/03/2002

07:00-23:00

42

31

29

27

17/03/2002

23:00-07:00

43

36

35

28

18/03/2002

07:00-19:00

41

41

32

32

18/03/2002

19:00-23:00

38

35

--

--

18/03/2002

23:00-07:00

38

32

34

27

19/03/2002

07:00-19:00

38

38

--

--

19/03/2002

19:00-23:00

41

35

35

30

19/03/2002

23:00-07:00

34

30

29

25

20/03/2002

07:00-19:00

--

--

--

--

20/03/2002

19:00-23:00

28

24

18

16

20/03/2002

23:00-07:00

39

30

32

25

21/03/2002

07:00-19:00

--

--

--

--

21/03/2002

19:00-23:00

34

31

29

29

21/03/2002

23:00-07:00

41

33

37

30

22/03/2002

07:00-19:00

--

--

--

--

22/03/2002

19:00-23:00

36

30

32

27

22/03/2002

23:00-07:00

45

37

40

34

23/03/2002

07:00-19:00

43

43

38

38

23/03/2002

19:00-23:00

37

33

33

28

23/03/2002

23:00-07:00

37

30

30

25

24/03/2002

07:00-23:00

38

31

33

28

24/03/2002

23:00-07:00

41

35

35

29

25/03/2002

07:00-19:00

--

--

--

--

25/03/2002

19:00-23:00

29

25

25

21

25/03/2002

23:00-07:00

34

30

27

24

26/03/2002

07:00-19:00

--

--

--

--

26/03/2002

19:00-23:00

17

17

--

--

26/03/2002

23:00-07:00

36

31

31

26

27/03/2002

07:00-19:00

--

--

--

--

27/03/2002

19:00-23:00

31

26

26

22

27/03/2002

23:00-07:00

32

28

28

24

28/03/2002

07:00-19:00

47

45

42

40

28/03/2002

19:00-23:00

33

29

28

25

28/03/2002

23:00-07:00

35

29

31

26

29/03/2002

07:00-23:00

42

36

37

32

29/03/2002

23:00-07:00

45

31

32

30

30/03/2002

07:00-23:00

43

32

39

28

30/03/2002

23:00-07:00

38

33

33

28

31/03/2002

07:00-23:00

49

40

16

16

31/03/2002

23:00-07:00

33

29

28

25

 

 

b. MANUAL NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Transmission System Construction

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))

06/03/2002

14:17-14:46

50.7

14:15-14:44

53.1

08/03/2002

10:45-11:14

--

10:45-11:14

--

11/03/2002

09:45-10:14

47.3

09:45-10:14

57.2

15/03/2002

15:31-16:00

--

15:31-16:00

--

20/03/2002

10:42-11:11

57.0

10:45-11:14

--

22/03/2002

10:41-11:10

--

10:41-11:10

44.7

25/03/2002

16:35-17:04

45.8

16:35-17:04

66.8

27/03/2002

14:49-15:18

--

14:16-14:45

49.0

 

 

Note:  --“ represents the measured noise monitoring data lower than the established notional background level.

 

 

**  END OF REPORT  **