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

01/11/2025

07:00-23:00

---

---

01/11/2025

23:00-07:00

27

27

02/11/2025

07:00-23:00

42

38

02/11/2025

23:00-07:00

44

44

03/11/2025

07:00-23:00

52

52

03/11/2025

23:00-07:00

---

---

04/11/2025

07:00-23:00

51

50

04/11/2025

23:00-07:00

---

---

05/11/2025

07:00-23:00

52

48

05/11/2025

23:00-07:00

---

---

06/11/2025

07:00-23:00

52

48

06/11/2025

23:00-07:00

43

43

07/11/2025

07:00-23:00

38

36

07/11/2025

23:00-07:00

37

35

08/11/2025

07:00-23:00

23

23

08/11/2025

23:00-07:00

43

41

09/11/2025

07:00-23:00

34

32

09/11/2025

23:00-07:00

37

35

10/11/2025

07:00-23:00

40

39

10/11/2025

23:00-07:00

38

33

11/11/2025

07:00-23:00

52

51

11/11/2025

23:00-07:00

22

22

12/11/2025

07:00-23:00

47

47

12/11/2025

23:00-07:00

---

---

13/11/2025

07:00-23:00

49

46

13/11/2025

23:00-07:00

34

34

14/11/2025

07:00-23:00

51

49

14/11/2025

23:00-07:00

---

---

15/11/2025

07:00-23:00

44

41

15/11/2025

23:00-07:00

46

46

16/11/2025

07:00-23:00

40

39

16/11/2025

23:00-07:00

43

43

17/11/2025

07:00-23:00

57

54

17/11/2025

23:00-07:00

23

23

18/11/2025

07:00-23:00

51

47

18/11/2025

23:00-07:00

45

40

19/11/2025

07:00-23:00

---

---

19/11/2025

23:00-07:00

---

---

20/11/2025

07:00-23:00

---

---

20/11/2025

23:00-07:00

---

---

21/11/2025

07:00-23:00

---

---

21/11/2025

23:00-07:00

---

---

22/11/2025

07:00-23:00

26

26

22/11/2025

23:00-07:00

50

48

23/11/2025

07:00-23:00

43

41

23/11/2025

23:00-07:00

---

---

24/11/2025

07:00-23:00

37

37

24/11/2025

23:00-07:00

36

35

25/11/2025

07:00-23:00

54

49

25/11/2025

23:00-07:00

36

34

26/11/2025

07:00-23:00

34

32

26/11/2025

23:00-07:00

36

36

27/11/2025

07:00-23:00

---

---

27/11/2025

23:00-07:00

---

---

28/11/2025

07:00-23:00

39

36

28/11/2025

23:00-07:00

---

---

29/11/2025

07:00-23:00

---

---

29/11/2025

23:00-07:00

31

31

30/11/2025

07:00-23:00

39

37

30/11/2025

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

1/11/2025

07:00-19:00

---

---

39

35

1/11/2025

19:00-23:00

40

37

46

34

1/11/2025

23:00-07:00

45

35

45

39

2/11/2025

07:00-23:00

52

37

59

38

2/11/2025

23:00-07:00

44

34

45

39

3/11/2025

07:00-19:00

52

52

45

41

3/11/2025

19:00-23:00

38

30

44

35

3/11/2025

23:00-07:00

---

---

45

36

4/11/2025

07:00-19:00

51

50

44

36

4/11/2025

19:00-23:00

41

33

45

35

4/11/2025

23:00-07:00

43

35

45

34

5/11/2025

07:00-19:00

52

47

58

48

5/11/2025

19:00-23:00

40

35

50

41

5/11/2025

23:00-07:00

35

35

45

39

6/11/2025

07:00-19:00

52

52

52

43

6/11/2025

19:00-23:00

42

34

59

43

6/11/2025

23:00-07:00

44

40

45

38

7/11/2025

07:00-19:00

---

---

63

59

7/11/2025

19:00-23:00

41

36

58

46

7/11/2025

23:00-07:00

40

33

35

29

8/11/2025

07:00-19:00

---

---

65

49

8/11/2025

19:00-23:00

42

36

50

39

8/11/2025

23:00-07:00

45

41

45

37

9/11/2025

07:00-23:00

42

36

49

37

9/11/2025

23:00-07:00

37

33

43

33

10/11/2025

07:00-19:00

40

40

44

36

10/11/2025

19:00-23:00

43

35

48

34

10/11/2025

23:00-07:00

43

33

45

35

11/11/2025

07:00-19:00

52

50

44

36

11/11/2025

19:00-23:00

42

42

45

41

11/11/2025

23:00-07:00

34

28

45

38

12/11/2025

07:00-19:00

47

47

42

38

12/11/2025

19:00-23:00

48

36

48

37

12/11/2025

23:00-07:00

31

31

45

37

13/11/2025

07:00-19:00

49

47

34

33

13/11/2025

19:00-23:00

44

38

41

30

13/11/2025

23:00-07:00

34

32

38

33

14/11/2025

07:00-19:00

51

49

56

44

14/11/2025

19:00-23:00

41

39

53

40

14/11/2025

23:00-07:00

37

33

45

40

15/11/2025

07:00-19:00

44

44

58

46

15/11/2025

19:00-23:00

41

33

51

39

15/11/2025

23:00-07:00

42

42

45

40

16/11/2025

07:00-23:00

42

36

58

43

16/11/2025

23:00-07:00

43

43

44

37

17/11/2025

07:00-19:00

57

57

51

42

17/11/2025

19:00-23:00

43

37

54

42

17/11/2025

23:00-07:00

34

30

45

38

18/11/2025

07:00-19:00

51

49

45

37

18/11/2025

19:00-23:00

42

34

43

31

18/11/2025

23:00-07:00

45

37

44

34

19/11/2025

07:00-19:00

30

30

45

36

19/11/2025

19:00-23:00

46

35

45

34

19/11/2025

23:00-07:00

35

33

40

31

20/11/2025

07:00-19:00

---

---

43

33

20/11/2025

19:00-23:00

37

36

47

36

20/11/2025

23:00-07:00

27

27

43

34

21/11/2025

07:00-19:00

---

---

42

40

21/11/2025

19:00-23:00

46

37

37

33

21/11/2025

23:00-07:00

---

---

44

40

22/11/2025

07:00-19:00

---

---

49

40

22/11/2025

19:00-23:00

43

34

42

33

22/11/2025

23:00-07:00

34

30

45

38

23/11/2025

07:00-23:00

58

39

60

35

23/11/2025

23:00-07:00

37

29

45

39

24/11/2025

07:00-19:00

37

37

35

32

24/11/2025

19:00-23:00

39

35

43

33

24/11/2025

23:00-07:00

38

34

44

36

25/11/2025

07:00-19:00

54

51

43

37

25/11/2025

19:00-23:00

43

37

44

34

25/11/2025

23:00-07:00

38

32

43

33

26/11/2025

07:00-19:00

---

---

38

31

26/11/2025

19:00-23:00

40

35

43

32

26/11/2025

23:00-07:00

45

40

45

37

27/11/2025

07:00-19:00

---

---

52

46

27/11/2025

19:00-23:00

---

---

47

41

27/11/2025

23:00-07:00

---

---

44

40

28/11/2025

07:00-19:00

---

---

58

47

28/11/2025

19:00-23:00

39

30

47

36

28/11/2025

23:00-07:00

29

28

43

39

29/11/2025

07:00-19:00

---

---

45

40

29/11/2025

19:00-23:00

40

32

45

36

29/11/2025

23:00-07:00

37

33

45

40

30/11/2025

07:00-23:00

42

37

51

35

30/11/2025

23:00-07:00

43

38

45

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).