NOISE

 

1. CONTINUOUS NOISE MONITORING DATA (OPERATION)

 

Site: Lamma Power Station Extension

Measurement Location: Ash Lagoon

Measurement Parameter: 30-min Leq (07:00-23:00 hrs and 23:00-07:00 hrs on next day)

NSR: Hung Shing Ye

 

Date

Time

Calculated Noise Level at NSR

(dB(A))

Max

Avg

1/10/2023

07:00-23:00

---

---

1/10/2023

23:00-07:00

---

---

2/10/2023

07:00-23:00

28

28

2/10/2023

23:00-07:00

---

---

3/10/2023

07:00-23:00

53

53

3/10/2023

23:00-07:00

50

47

4/10/2023

07:00-23:00

45

44

4/10/2023

23:00-07:00

---

---

5/10/2023

07:00-23:00

---

---

5/10/2023

23:00-07:00

---

---

6/10/2023

07:00-23:00

---

---

6/10/2023

23:00-07:00

---

---

7/10/2023

07:00-23:00

31

28

7/10/2023

23:00-07:00

30

30

8/10/2023

07:00-23:00

48

42

8/10/2023

23:00-07:00

49

48

9/10/2023

07:00-23:00

44

40

9/10/2023

23:00-07:00

---

---

10/10/2023

07:00-23:00

---

---

10/10/2023

23:00-07:00

41

38

11/10/2023

07:00-23:00

---

---

11/10/2023

23:00-07:00

---

---

12/10/2023

07:00-23:00

45

45

12/10/2023

23:00-07:00

---

---

13/10/2023

07:00-23:00

46

46

13/10/2023

23:00-07:00

---

---

14/10/2023

07:00-23:00

54

53

14/10/2023

23:00-07:00

41

41

15/10/2023

07:00-23:00

40

40

15/10/2023

23:00-07:00

43

38

16/10/2023

07:00-23:00

---

---

16/10/2023

23:00-07:00

42

37

17/10/2023

07:00-23:00

32

32

17/10/2023

23:00-07:00

40

37

18/10/2023

07:00-23:00

---

---

18/10/2023

23:00-07:00

---

---

19/10/2023

07:00-23:00

---

---

19/10/2023

23:00-07:00

---

---

20/10/2023

07:00-23:00

58

58

20/10/2023

23:00-07:00

46

46

21/10/2023

07:00-23:00

---

---

21/10/2023

23:00-07:00

---

---

22/10/2023

07:00-23:00

---

---

22/10/2023

23:00-07:00

47

43

23/10/2023

07:00-23:00

41

41

23/10/2023

23:00-07:00

---

---

24/10/2023

07:00-23:00

55

55

24/10/2023

23:00-07:00

---

---

25/10/2023

07:00-23:00

51

51

25/10/2023

23:00-07:00

---

---

26/10/2023

07:00-23:00

---

---

26/10/2023

23:00-07:00

---

---

27/10/2023

07:00-23:00

51

48

27/10/2023

23:00-07:00

41

39

28/10/2023

07:00-23:00

43

43

28/10/2023

23:00-07:00

34

30

29/10/2023

07:00-23:00

46

43

29/10/2023

23:00-07:00

---

---

30/10/2023

07:00-23:00

55

55

30/10/2023

23:00-07:00

---

---

31/10/2023

07:00-23:00

50

50

31/10/2023

23:00-07:00

42

42

 

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

 

 

2. CONTINUOUS NOISE MONITORING DATA (CONSTRUCTION)

 

Site: Lamma Power Station Extension Construction

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)

 

Date

Time

Calculated

Noise

Level at

NSR at Long

Tsai

Tsuen/Hung

Shing Ye

(dB(A))

Calculated

Noise

Level at

NSR at the

school

within Tai

Wan San

Tsuen

(dB(A))

Max

Avg

Max

Avg

01/10/2023

07:00-23:00

54

43

48

41

01/10/2023

23:00-07:00

31

31

45

43

02/10/2023

07:00-23:00

40

34

46

40

02/10/2023

23:00-07:00

14

14

45

41

03/10/2023

07:00-19:00

53

53

47

42

03/10/2023

19:00-23:00

41

41

42

37

03/10/2023

23:00-07:00

42

41

45

40

04/10/2023

07:00-19:00

45

44

44

42

04/10/2023

19:00-23:00

---

---

47

38

04/10/2023

23:00-07:00

---

---

44

39

05/10/2023

07:00-19:00

---

---

46

37

05/10/2023

19:00-23:00

---

---

44

40

05/10/2023

23:00-07:00

25

25

44

39

06/10/2023

07:00-19:00

---

---

50

40

06/10/2023

19:00-23:00

41

38

43

41

06/10/2023

23:00-07:00

33

30

45

43

07/10/2023

07:00-19:00

---

---

45

45

07/10/2023

19:00-23:00

38

31

45

38

07/10/2023

23:00-07:00

31

26

45

40

08/10/2023

07:00-23:00

50

40

46

38

08/10/2023

23:00-07:00

45

42

44

41

09/10/2023

07:00-19:00

44

38

46

39

09/10/2023

19:00-23:00

32

32

45

40

09/10/2023

23:00-07:00

32

29

44

38

10/10/2023

07:00-19:00

---

---

43

39

10/10/2023

19:00-23:00

---

---

42

37

10/10/2023

23:00-07:00

45

41

42

39

11/10/2023

07:00-19:00

---

---

45

39

11/10/2023

19:00-23:00

---

---

43

37

11/10/2023

23:00-07:00

45

29

44

40

12/10/2023

07:00-19:00

45

45

43

37

12/10/2023

19:00-23:00

---

---

44

34

12/10/2023

23:00-07:00

45

44

44

40

13/10/2023

07:00-19:00

46

46

44

37

13/10/2023

19:00-23:00

---

---

42

39

13/10/2023

23:00-07:00

44

31

44

38

14/10/2023

07:00-19:00

54

53

39

35

14/10/2023

19:00-23:00

33

33

48

41

14/10/2023

23:00-07:00

41

39

45

40

15/10/2023

07:00-23:00

48

38

45

37

15/10/2023

23:00-07:00

45

36

45

38

16/10/2023

07:00-19:00

---

---

42

37

16/10/2023

19:00-23:00

25

25

46

38

16/10/2023

23:00-07:00

45

36

45

38

17/10/2023

07:00-19:00

32

32

43

38

17/10/2023

19:00-23:00

40

38

45

31

17/10/2023

23:00-07:00

41

35

45

35

18/10/2023

07:00-19:00

---

---

43

34

18/10/2023

19:00-23:00

46

39

49

41

18/10/2023

23:00-07:00

33

26

45

42

19/10/2023

07:00-19:00

---

---

48

42

19/10/2023

19:00-23:00

27

24

46

38

19/10/2023

23:00-07:00

33

33

45

41

20/10/2023

07:00-19:00

58

58

45

42

20/10/2023

19:00-23:00

---

---

46

40

20/10/2023

23:00-07:00

---

---

45

42

21/10/2023

07:00-19:00

---

---

47

43

21/10/2023

19:00-23:00

---

---

52

41

21/10/2023

23:00-07:00

28

23

43

39

22/10/2023

07:00-23:00

41

37

47

39

22/10/2023

23:00-07:00

44

35

45

38

23/10/2023

07:00-19:00

41

41

46

40

23/10/2023

19:00-23:00

29

29

46

42

23/10/2023

23:00-07:00

38

36

44

37

24/10/2023

07:00-19:00

55

55

39

35

24/10/2023

19:00-23:00

29

29

41

33

24/10/2023

23:00-07:00

---

---

45

41

25/10/2023

07:00-19:00

51

51

46

37

25/10/2023

19:00-23:00

---

---

45

38

25/10/2023

23:00-07:00

39

30

45

40

26/10/2023

07:00-19:00

---

---

42

39

26/10/2023

19:00-23:00

---

---

44

41

26/10/2023

23:00-07:00

43

37

43

38

27/10/2023

07:00-19:00

51

45

44

40

27/10/2023

19:00-23:00

---

---

43

38

27/10/2023

23:00-07:00

41

39

45

41

28/10/2023

07:00-19:00

43

43

48

42

28/10/2023

19:00-23:00

32

32

45

40

28/10/2023

23:00-07:00

35

30

44

39

29/10/2023

07:00-23:00

46

37

49

40

29/10/2023

23:00-07:00

44

39

43

39

30/10/2023

07:00-19:00

55

55

47

43

30/10/2023

19:00-23:00

---

---

43

37

30/10/2023

23:00-07:00

29

26

45

40

31/10/2023

07:00-19:00

50

50

46

42

31/10/2023

19:00-23:00

35

32

48

38

31/10/2023

23:00-07:00

45

34

45

42

 

Note:

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

b.   Continuous noise monitoring was also carried out at holidays & evening-time (07:00-23:00 hrs on holidays and 19:00-23:00 hrs on all other days) and night-time (23:00-07:00 hrs of next day).