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

01/09/2026

07:00-23:00

52

50

01/09/2026

23:00-07:00

---

---

02/09/2026

07:00-23:00

52

52

02/09/2026

23:00-07:00

---

---

03/09/2026

07:00-23:00

---

---

03/09/2026

23:00-07:00

---

---

04/09/2026

07:00-23:00

---

---

04/09/2026

23:00-07:00

50

50

05/09/2026

07:00-23:00

---

---

05/09/2026

23:00-07:00

---

---

06/09/2026

07:00-23:00

48

45

06/09/2026

23:00-07:00

50

50

07/09/2026

07:00-23:00

51

51

07/09/2026

23:00-07:00

50

50

08/09/2026

07:00-23:00

40

40

08/09/2026

23:00-07:00

---

---

09/09/2026

07:00-23:00

38

38

09/09/2026

23:00-07:00

32

32

10/09/2026

07:00-23:00

59

57

10/09/2026

23:00-07:00

39

39

11/09/2026

07:00-23:00

---

---

11/09/2026

23:00-07:00

---

---

12/09/2026

07:00-23:00

42

40

12/09/2026

23:00-07:00

42

40

13/09/2026

07:00-23:00

41

38

13/09/2026

23:00-07:00

49

44

14/09/2026

07:00-23:00

52

47

14/09/2026

23:00-07:00

49

46

15/09/2026

07:00-23:00

---

---

15/09/2026

23:00-07:00

39

39

16/09/2026

07:00-23:00

---

---

16/09/2026

23:00-07:00

---

---

17/09/2026

07:00-23:00

---

---

17/09/2026

23:00-07:00

---

---

18/09/2026

07:00-23:00

---

---

18/09/2026

23:00-07:00

---

---

19/09/2026

07:00-23:00

---

---

19/09/2026

23:00-07:00

---

---

20/09/2026

07:00-23:00

---

---

20/09/2026

23:00-07:00

---

---

21/09/2026

07:00-23:00

56

53

21/09/2026

23:00-07:00

---

---

22/09/2026

07:00-23:00

52

50

22/09/2026

23:00-07:00

---

---

23/09/2026

07:00-23:00

50

50

23/09/2026

23:00-07:00

---

---

24/09/2026

07:00-23:00

56

52

24/09/2026

23:00-07:00

---

---

25/09/2026

07:00-23:00

43

43

25/09/2026

23:00-07:00

37

34

26/09/2026

07:00-23:00

53

50

26/09/2026

23:00-07:00

---

---

27/09/2026

07:00-23:00

---

---

27/09/2026

23:00-07:00

---

---

28/09/2026

07:00-23:00

51

51

28/09/2026

23:00-07:00

47

47

29/09/2026

07:00-23:00

---

---

29/09/2026

23:00-07:00

---

---

30/09/2026

07:00-23:00

---

---

30/09/2026

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

1/09/2026

07:00-19:00

52

50

40

36

1/09/2026

19:00-23:00

42

33

41

35

1/09/2026

23:00-07:00

---

---

37

31

2/09/2026

07:00-19:00

52

52

30

30

2/09/2026

19:00-23:00

---

---

47

47

2/09/2026

23:00-07:00

---

---

40

32

3/09/2026

07:00-19:00

---

---

---

---

3/09/2026

19:00-23:00

---

---

---

---

3/09/2026

23:00-07:00

---

---

36

34

4/09/2026

07:00-19:00

---

---

---

---

4/09/2026

19:00-23:00

35

35

37

37

4/09/2026

23:00-07:00

42

42

41

38

5/09/2026

07:00-19:00

---

---

---

---

5/09/2026

19:00-23:00

---

---

---

---

5/09/2026

23:00-07:00

---

---

36

33

6/09/2026

07:00-23:00

48

37

38

32

6/09/2026

23:00-07:00

45

45

28

28

7/09/2026

07:00-19:00

51

51

---

---

7/09/2026

19:00-23:00

37

37

---

---

7/09/2026

23:00-07:00

45

38

24

24

8/09/2026

07:00-19:00

---

---

---

---

8/09/2026

19:00-23:00

40

36

37

33

8/09/2026

23:00-07:00

41

41

42

32

9/09/2026

07:00-19:00

---

---

---

---

9/09/2026

19:00-23:00

38

37

43

33

9/09/2026

23:00-07:00

32

32

43

39

10/09/2026

07:00-19:00

59

54

---

---

10/09/2026

19:00-23:00

29

29

39

31

10/09/2026

23:00-07:00

39

35

42

38

11/09/2026

07:00-19:00

---

---

36

30

11/09/2026

19:00-23:00

30

30

37

31

11/09/2026

23:00-07:00

34

34

38

35

12/09/2026

07:00-19:00

---

---

42

35

12/09/2026

19:00-23:00

44

36

41

32

12/09/2026

23:00-07:00

45

39

43

35

13/09/2026

07:00-23:00

36

36

40

35

13/09/2026

23:00-07:00

42

38

44

35

14/09/2026

07:00-19:00

47

46

38

33

14/09/2026

19:00-23:00

53

43

40

36

14/09/2026

23:00-07:00

45

40

44

33

15/09/2026

07:00-19:00

---

---

37

31

15/09/2026

19:00-23:00

37

37

32

29

15/09/2026

23:00-07:00

39

36

41

32

16/09/2026

07:00-19:00

---

---

30

30

16/09/2026

19:00-23:00

37

37

35

31

16/09/2026

23:00-07:00

28

28

40

31

17/09/2026

07:00-19:00

---

---

42

39

17/09/2026

19:00-23:00

38

38

39

31

17/09/2026

23:00-07:00

36

36

38

31

18/09/2026

07:00-19:00

---

---

40

35

18/09/2026

19:00-23:00

37

36

39

32

18/09/2026

23:00-07:00

---

---

39

29

19/09/2026

07:00-19:00

---

---

38

33

19/09/2026

19:00-23:00

38

38

35

34

19/09/2026

23:00-07:00

31

31

30

30

20/09/2026

07:00-23:00

49

40

44

34

20/09/2026

23:00-07:00

35

35

---

---

21/09/2026

07:00-19:00

56

50

40

34

21/09/2026

19:00-23:00

---

---

34

34

21/09/2026

23:00-07:00

---

---

---

---

22/09/2026

07:00-19:00

52

47

35

35

22/09/2026

19:00-23:00

35

33

40

34

22/09/2026

23:00-07:00

---

---

43

40

23/09/2026

07:00-19:00

50

50

37

37

23/09/2026

19:00-23:00

36

30

31

25

23/09/2026

23:00-07:00

---

---

38

34

24/09/2026

07:00-19:00

56

52

40

34

24/09/2026

19:00-23:00

37

28

32

24

24/09/2026

23:00-07:00

45

45

36

33

25/09/2026

07:00-19:00

43

43

---

---

25/09/2026

19:00-23:00

39

27

34

30

25/09/2026

23:00-07:00

45

35

39

32

26/09/2026

07:00-23:00

53

46

---

---

26/09/2026

23:00-07:00

---

---

---

---

27/09/2026

07:00-23:00

49

43

44

32

27/09/2026

23:00-07:00

45

42

---

---

28/09/2026

07:00-19:00

51

51

42

38

28/09/2026

19:00-23:00

---

---

31

31

28/09/2026

23:00-07:00

---

---

29

29

29/09/2026

07:00-19:00

---

---

---

---

29/09/2026

19:00-23:00

---

---

---

---

29/09/2026

23:00-07:00

---

---

39

33

30/09/2026

07:00-19:00

---

---

37

35

30/09/2026

19:00-23:00

39

39

49

44

30/09/2026

23:00-07:00

43

41

38

30

 

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).