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

01/08/2026

07:00-23:00

49

46

01/08/2026

23:00-07:00

50

46

02/08/2026

07:00-23:00

38

38

02/08/2026

23:00-07:00

41

41

03/08/2026

07:00-23:00

52

52

03/08/2026

23:00-07:00

50

48

04/08/2026

07:00-23:00

---

---

04/08/2026

23:00-07:00

34

34

05/08/2026

07:00-23:00

---

---

05/08/2026

23:00-07:00

50

47

06/08/2026

07:00-23:00

---

---

06/08/2026

23:00-07:00

46

46

07/08/2026

07:00-23:00

54

52

07/08/2026

23:00-07:00

45

45

08/08/2026

07:00-23:00

55

53

08/08/2026

23:00-07:00

---

---

09/08/2026

07:00-23:00

46

46

09/08/2026

23:00-07:00

---

---

10/08/2026

07:00-23:00

37

37

10/08/2026

23:00-07:00

---

---

11/08/2026

07:00-23:00

49

49

11/08/2026

23:00-07:00

---

---

12/08/2026

07:00-23:00

39

39

12/08/2026

23:00-07:00

---

---

13/08/2026

07:00-23:00

---

---

13/08/2026

23:00-07:00

---

---

14/08/2026

07:00-23:00

57

51

14/08/2026

23:00-07:00

48

46

15/08/2026

07:00-23:00

---

---

15/08/2026

23:00-07:00

---

---

16/08/2026

07:00-23:00

---

---

16/08/2026

23:00-07:00

49

49

17/08/2026

07:00-23:00

---

---

17/08/2026

23:00-07:00

50

47

18/08/2026

07:00-23:00

43

40

18/08/2026

23:00-07:00

50

48

19/08/2026

07:00-23:00

52

47

19/08/2026

23:00-07:00

43

40

20/08/2026

07:00-23:00

52

51

20/08/2026

23:00-07:00

46

46

21/08/2026

07:00-23:00

51

50

21/08/2026

23:00-07:00

---

---

22/08/2026

07:00-23:00

---

---

22/08/2026

23:00-07:00

---

---

23/08/2026

07:00-23:00

---

---

23/08/2026

23:00-07:00

---

---

24/08/2026

07:00-23:00

---

---

24/08/2026

23:00-07:00

---

---

25/08/2026

07:00-23:00

---

---

25/08/2026

23:00-07:00

49

49

26/08/2026

07:00-23:00

37

37

26/08/2026

23:00-07:00

50

48

27/08/2026

07:00-23:00

34

34

27/08/2026

23:00-07:00

---

---

28/08/2026

07:00-23:00

---

---

28/08/2026

23:00-07:00

35

35

29/08/2026

07:00-23:00

35

35

29/08/2026

23:00-07:00

---

---

30/08/2026

07:00-23:00

38

35

30/08/2026

23:00-07:00

44

43

31/08/2026

07:00-23:00

44

44

31/08/2026

23:00-07:00

---

---

 

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

 

 

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

1/08/2026

07:00-19:00

49

43

37

33

1/08/2026

19:00-23:00

39

34

40

33

1/08/2026

23:00-07:00

45

34

44

36

2/08/2026

07:00-23:00

50

36

48

34

2/08/2026

23:00-07:00

44

38

45

36

3/08/2026

07:00-19:00

52

52

41

41

3/08/2026

19:00-23:00

41

36

39

34

3/08/2026

23:00-07:00

36

34

36

30

4/08/2026

07:00-19:00

---

---

30

30

4/08/2026

19:00-23:00

29

29

---

---

4/08/2026

23:00-07:00

38

36

41

32

5/08/2026

07:00-19:00

---

---

36

32

5/08/2026

19:00-23:00

30

30

37

28

5/08/2026

23:00-07:00

43

38

41

31

6/08/2026

07:00-19:00

---

---

---

---

6/08/2026

19:00-23:00

35

32

42

33

6/08/2026

23:00-07:00

---

---

45

41

7/08/2026

07:00-19:00

---

---

---

---

7/08/2026

19:00-23:00

---

---

---

---

7/08/2026

23:00-07:00

45

45

41

29

8/08/2026

07:00-19:00

---

---

---

---

8/08/2026

19:00-23:00

---

---

---

---

8/08/2026

23:00-07:00

---

---

44

32

9/08/2026

07:00-23:00

47

38

48

42

9/08/2026

23:00-07:00

---

---

---

---

10/08/2026

07:00-19:00

37

37

---

---

10/08/2026

19:00-23:00

40

40

---

---

10/08/2026

23:00-07:00

---

---

36

30

11/08/2026

07:00-19:00

49

49

---

---

11/08/2026

19:00-23:00

39

39

---

---

11/08/2026

23:00-07:00

---

---

43

32

12/08/2026

07:00-19:00

39

39

39

36

12/08/2026

19:00-23:00

---

---

---

---

12/08/2026

23:00-07:00

41

41

40

34

13/08/2026

07:00-19:00

---

---

19

19

13/08/2026

19:00-23:00

---

---

35

33

13/08/2026

23:00-07:00

---

---

38

32

14/08/2026

07:00-19:00

57

46

53

43

14/08/2026

19:00-23:00

52

48

41

33

14/08/2026

23:00-07:00

44

39

43

35

15/08/2026

07:00-19:00

---

---

36

33

15/08/2026

19:00-23:00

40

40

---

---

15/08/2026

23:00-07:00

---

---

29

29

16/08/2026

07:00-23:00

---

---

36

36

16/08/2026

23:00-07:00

---

---

---

---

17/08/2026

07:00-19:00

---

---

---

---

17/08/2026

19:00-23:00

32

31

37

29

17/08/2026

23:00-07:00

35

33

35

29

18/08/2026

07:00-19:00

38

38

---

---

18/08/2026

19:00-23:00

49

40

39

33

18/08/2026

23:00-07:00

45

40

42

37

19/08/2026

07:00-19:00

52

43

27

27

19/08/2026

19:00-23:00

41

33

49

34

19/08/2026

23:00-07:00

43

38

45

34

20/08/2026

07:00-19:00

52

50

39

39

20/08/2026

19:00-23:00

43

35

39

33

20/08/2026

23:00-07:00

30

30

40

34

21/08/2026

07:00-19:00

51

50

63

63

21/08/2026

19:00-23:00

---

---

---

---

21/08/2026

23:00-07:00

32

32

41

32

22/08/2026

07:00-19:00

---

---

---

---

22/08/2026

19:00-23:00

---

---

42

40

22/08/2026

23:00-07:00

---

---

42

39

23/08/2026

07:00-23:00

42

41

48

31

23/08/2026

23:00-07:00

43

41

---

---

24/08/2026

07:00-19:00

---

---

34

34

24/08/2026

19:00-23:00

41

41

---

---

24/08/2026

23:00-07:00

---

---

45

39

25/08/2026

07:00-19:00

---

---

49

38

25/08/2026

19:00-23:00

40

37

39

35

25/08/2026

23:00-07:00

35

35

44

33

26/08/2026

07:00-19:00

37

37

---

---

26/08/2026

19:00-23:00

44

39

42

34

26/08/2026

23:00-07:00

45

37

45

38

27/08/2026

07:00-19:00

34

34

---

---

27/08/2026

19:00-23:00

---

---

36

31

27/08/2026

23:00-07:00

42

42

43

36

28/08/2026

07:00-19:00

---

---

41

41

28/08/2026

19:00-23:00

---

---

---

---

28/08/2026

23:00-07:00

41

36

---

---

29/08/2026

07:00-19:00

35

35

---

---

29/08/2026

19:00-23:00

40

40

---

---

29/08/2026

23:00-07:00

37

36

---

---

30/08/2026

07:00-23:00

49

34

37

31

30/08/2026

23:00-07:00

44

39

36

29

31/08/2026

07:00-19:00

44

44

39

39

31/08/2026

19:00-23:00

42

36

---

---

31/08/2026

23:00-07:00

35

35

30

24

 

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).