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

01/02/2026

07:00-23:00

38

35

01/02/2026

23:00-07:00

50

48

02/02/2026

07:00-23:00

---

---

02/02/2026

23:00-07:00

---

---

03/02/2026

07:00-23:00

44

41

03/02/2026

23:00-07:00

50

45

04/02/2026

07:00-23:00

28

28

04/02/2026

23:00-07:00

49

49

05/02/2026

07:00-23:00

31

31

05/02/2026

23:00-07:00

49

46

06/02/2026

07:00-23:00

49

49

06/02/2026

23:00-07:00

---

---

07/02/2026

07:00-23:00

---

---

07/02/2026

23:00-07:00

36

35

08/02/2026

07:00-23:00

30

30

08/02/2026

23:00-07:00

50

48

09/02/2026

07:00-23:00

---

---

09/02/2026

23:00-07:00

43

38

10/02/2026

07:00-23:00

38

38

10/02/2026

23:00-07:00

50

44

11/02/2026

07:00-23:00

---

---

11/02/2026

23:00-07:00

29

29

12/02/2026

07:00-23:00

26

26

12/02/2026

23:00-07:00

44

44

13/02/2026

07:00-23:00

30

30

13/02/2026

23:00-07:00

---

---

14/02/2026

07:00-23:00

50

49

14/02/2026

23:00-07:00

32

32

15/02/2026

07:00-23:00

26

26

15/02/2026

23:00-07:00

49

49

16/02/2026

07:00-23:00

55

55

16/02/2026

23:00-07:00

37

37

17/02/2026

07:00-23:00

---

---

17/02/2026

23:00-07:00

---

---

18/02/2026

07:00-23:00

---

---

18/02/2026

23:00-07:00

34

34

19/02/2026

07:00-23:00

---

---

19/02/2026

23:00-07:00

50

50

20/02/2026

07:00-23:00

44

42

20/02/2026

23:00-07:00

---

---

21/02/2026

07:00-23:00

---

---

21/02/2026

23:00-07:00

---

---

22/02/2026

07:00-23:00

45

45

22/02/2026

23:00-07:00

43

40

23/02/2026

07:00-23:00

34

34

23/02/2026

23:00-07:00

---

---

24/02/2026

07:00-23:00

---

---

24/02/2026

23:00-07:00

50

50

25/02/2026

07:00-23:00

46

46

25/02/2026

23:00-07:00

---

---

26/02/2026

07:00-23:00

---

---

26/02/2026

23:00-07:00

49

49

27/02/2026

07:00-23:00

45

43

27/02/2026

23:00-07:00

45

42

28/02/2026

07:00-23:00

57

50

28/02/2026

23:00-07:00

38

38

 

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

1/02/2026

07:00-23:00

47

34

45

34

1/02/2026

23:00-07:00

38

32

39

32

2/02/2026

07:00-19:00

---

---

42

37

2/02/2026

19:00-23:00

41

32

49

39

2/02/2026

23:00-07:00

37

30

44

38

3/02/2026

07:00-19:00

---

---

57

47

3/02/2026

19:00-23:00

44

36

54

44

3/02/2026

23:00-07:00

40

35

45

37

4/02/2026

07:00-19:00

---

---

57

45

4/02/2026

19:00-23:00

45

37

49

40

4/02/2026

23:00-07:00

38

35

45

37

5/02/2026

07:00-19:00

---

---

42

36

5/02/2026

19:00-23:00

46

36

43

32

5/02/2026

23:00-07:00

39

34

45

38

6/02/2026

07:00-19:00

49

49

36

31

6/02/2026

19:00-23:00

47

38

41

31

6/02/2026

23:00-07:00

38

30

45

39

7/02/2026

07:00-19:00

---

---

58

50

7/02/2026

19:00-23:00

41

33

51

40

7/02/2026

23:00-07:00

36

33

45

40

8/02/2026

07:00-23:00

46

35

48

38

8/02/2026

23:00-07:00

44

36

45

36

9/02/2026

07:00-19:00

---

---

60

46

9/02/2026

19:00-23:00

45

35

56

39

9/02/2026

23:00-07:00

43

31

44

35

10/02/2026

07:00-19:00

---

---

37

32

10/02/2026

19:00-23:00

41

36

53

38

10/02/2026

23:00-07:00

44

32

45

30

11/02/2026

07:00-19:00

---

---

38

34

11/02/2026

19:00-23:00

40

35

56

38

11/02/2026

23:00-07:00

36

28

45

40

12/02/2026

07:00-19:00

26

26

47

35

12/02/2026

19:00-23:00

39

34

39

29

12/02/2026

23:00-07:00

44

40

42

37

13/02/2026

07:00-19:00

---

---

49

42

13/02/2026

19:00-23:00

37

34

45

37

13/02/2026

23:00-07:00

---

---

44

40

14/02/2026

07:00-19:00

50

49

41

35

14/02/2026

19:00-23:00

---

---

45

42

14/02/2026

23:00-07:00

32

32

45

42

15/02/2026

07:00-23:00

45

35

51

36

15/02/2026

23:00-07:00

---

---

45

40

16/02/2026

07:00-19:00

55

55

56

52

16/02/2026

19:00-23:00

36

31

49

41

16/02/2026

23:00-07:00

37

33

45

37

17/02/2026

07:00-23:00

39

37

39

33

17/02/2026

23:00-07:00

---

---

42

39

18/02/2026

07:00-23:00

40

32

53

45

18/02/2026

23:00-07:00

34

34

45

39

19/02/2026

07:00-23:00

40

31

54

43

19/02/2026

23:00-07:00

35

35

34

29

20/02/2026

07:00-19:00

42

42

44

33

20/02/2026

19:00-23:00

49

42

46

37

20/02/2026

23:00-07:00

---

---

43

36

21/02/2026

07:00-19:00

---

---

53

42

21/02/2026

19:00-23:00

---

---

43

37

21/02/2026

23:00-07:00

34

34

45

38

22/02/2026

07:00-23:00

50

39

36

36

22/02/2026

23:00-07:00

45

39

45

38

23/02/2026

07:00-19:00

---

---

63

53

23/02/2026

19:00-23:00

34

34

60

53

23/02/2026

23:00-07:00

---

---

45

39

24/02/2026

07:00-19:00

---

---

---

---

24/02/2026

19:00-23:00

---

---

48

41

24/02/2026

23:00-07:00

44

44

45

39

25/02/2026

07:00-19:00

46

46

61

52

25/02/2026

19:00-23:00

---

---

60

51

25/02/2026

23:00-07:00

---

---

41

36

26/02/2026

07:00-19:00

---

---

57

50

26/02/2026

19:00-23:00

---

---

54

42

26/02/2026

23:00-07:00

39

39

45

41

27/02/2026

07:00-19:00

---

---

48

44

27/02/2026

19:00-23:00

45

39

56

49

27/02/2026

23:00-07:00

45

38

45

37

28/02/2026

07:00-19:00

57

57

70

64

28/02/2026

19:00-23:00

46

40

42

35

28/02/2026

23:00-07:00

45

42

43

38

 

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).