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

01/05/2002

07:00-23:00

42

35

32

32

01/05/2002

23:00-07:00

29

27

24

23

02/05/2002

07:00-19:00

--

--

--

--

02/05/2002

19:00-23:00

38

35

33

30

02/05/2002

23:00-07:00

33

28

28

25

03/05/2002

07:00-19:00

--

--

--

--

03/05/2002

19:00-23:00

30

29

25

24

03/05/2002

23:00-07:00

30

29

26

25

04/05/2002

07:00-19:00

--

--

--

--

04/05/2002

19:00-23:00

--

--

--

--

04/05/2002

23:00-07:00

30

26

22

20

05/05/2002

07:00-23:00

38

32

33

29

05/05/2002

23:00-07:00

34

27

29

25

06/05/2002

07:00-19:00

--

--

--

--

06/05/2002

19:00-23:00

26

26

22

22

06/05/2002

23:00-07:00

33

28

24

24

07/05/2002

07:00-19:00

--

--

--

--

07/05/2002

19:00-23:00

38

35

33

33

07/05/2002

23:00-07:00

37

29

25

22

08/05/2002

07:00-19:00

--

--

--

--

08/05/2002

19:00-23:00

36

29

32

26

08/05/2002

23:00-07:00

36

30

31

26

09/05/2002

07:00-19:00

--

--

--

--

09/05/2002

19:00-23:00

29

27

24

23

09/05/2002

23:00-07:00

45

36

37

30

10/05/2002

07:00-19:00

--

--

--

--

10/05/2002

19:00-23:00

44

36

39

34

10/05/2002

23:00-07:00

45

35

40

32

11/05/2002

07:00-19:00

--

--

--

--

11/05/2002

19:00-23:00

38

33

34

28

11/05/2002

23:00-07:00

37

31

32

29

12/05/2002

07:00-23:00

50

38

35

28

12/05/2002

23:00-07:00

40

36

36

32

13/05/2002

07:00-19:00

--

--

--

--

13/05/2002

19:00-23:00

37

32

32

27

13/05/2002

23:00-07:00

44

31

33

25

14/05/2002

07:00-19:00

33

33

28

28

14/05/2002

19:00-23:00

42

34

37

31

14/05/2002

23:00-07:00

39

33

34

30

15/05/2002

07:00-19:00

--

--

--

--

15/05/2002

19:00-23:00

35

31

28

25

15/05/2002

23:00-07:00

40

32

30

27

16/05/2002

07:00-19:00

--

--

--

--

16/05/2002

19:00-23:00

38

31

33

26

16/05/2002

23:00-07:00

36

30

31

25

17/05/2002

07:00-19:00

--

--

--

--

17/05/2002

19:00-23:00

35

32

30

28

17/05/2002

23:00-07:00

36

32

30

27

18/05/2002

07:00-19:00

--

--

--

--

18/05/2002

19:00-23:00

33

33

--

--

18/05/2002

23:00-07:00

39

31

34

28

19/05/2002

07:00-23:00

48

37

32

29

19/05/2002

23:00-07:00

33

29

28

26

20/05/2002

07:00-23:00

40

32

36

29

20/05/2002

23:00-07:00

42

38

37

32

21/05/2002

07:00-19:00

--

--

--

--

21/05/2002

19:00-23:00

26

26

22

22

21/05/2002

23:00-07:00

37

33

33

28

22/05/2002

07:00-19:00

38

38

33

33

22/05/2002

19:00-23:00

48

39

43

35

22/05/2002

23:00-07:00

45

34

38

29

23/05/2002

07:00-19:00

--

--

--

--

23/05/2002

19:00-23:00

28

28

23

23

23/05/2002

23:00-07:00

35

27

26

20

24/05/2002

07:00-19:00

--

--

--

--

24/05/2002

19:00-23:00

34

31

29

29

24/05/2002

23:00-07:00

35

29

24

24

25/05/2002

07:00-19:00

--

--

--

--

25/05/2002

19:00-23:00

35

29

24

22

25/05/2002

23:00-07:00

36

30

23

21

26/05/2002

07:00-23:00

41

33

24

22

26/05/2002

23:00-07:00

42

37

22

19

27/05/2002

07:00-19:00

--

--

--

--

27/05/2002

19:00-23:00

36

28

31

24

27/05/2002

23:00-07:00

33

27

28

23

28/05/2002

07:00-19:00

--

--

--

--

28/05/2002

19:00-23:00

33

30

28

25

28/05/2002

23:00-07:00

35

29

26

22

29/05/2002

07:00-19:00

--

--

--

--

29/05/2002

19:00-23:00

36

31

31

29

29/05/2002

23:00-07:00

39

31

34

27

30/05/2002

07:00-19:00

35

35

30

30

30/05/2002

19:00-23:00

38

35

33

29

30/05/2002

23:00-07:00

41

35

35

30

31/05/2002

07:00-19:00

42

38

37

34

31/05/2002

19:00-23:00

39

34

35

31

31/05/2002

23:00-07:00

36

31

31

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))

02/05/2002

13:33-14:02

57.5

13:30-13:59

46.6

08/05/2002

14:30–14:59

60.7

14:30–14:59

43.4

10/05/2002

14:46–15:15

--

14:35–15:04

--

 

 

Note:

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

 

2.                 The hoarding works for the construction of transmission system at Pak Kok Tsui completed on 11/5/2002.  The civil works would tentatively commence in mid June 2002.  As there would be no construction work during the period from 12/5/2002 to mid June 2002, the manual noise monitoring at Pak Kok Tsui would temporarily be suspended within this period.

 

 

**  END OF REPORT  **