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

01/10/2025

07:00-23:00

45

41

01/10/2025

23:00-07:00

---

---

02/10/2025

07:00-23:00

38

36

02/10/2025

23:00-07:00

---

---

03/10/2025

07:00-23:00

---

---

03/10/2025

23:00-07:00

36

36

04/10/2025

07:00-23:00

---

---

04/10/2025

23:00-07:00

---

---

05/10/2025

07:00-23:00

---

---

05/10/2025

23:00-07:00

---

---

06/10/2025

07:00-23:00

---

---

06/10/2025

23:00-07:00

---

---

07/10/2025

07:00-23:00

34

34

07/10/2025

23:00-07:00

---

---

08/10/2025

07:00-23:00

36

36

08/10/2025

23:00-07:00

---

---

09/10/2025

07:00-23:00

---

---

09/10/2025

23:00-07:00

---

---

10/10/2025

07:00-23:00

57

56

10/10/2025

23:00-07:00

47

45

11/10/2025

07:00-23:00

35

35

11/10/2025

23:00-07:00

---

---

12/10/2025

07:00-23:00

41

39

12/10/2025

23:00-07:00

48

48

13/10/2025

07:00-23:00

31

31

13/10/2025

23:00-07:00

44

44

14/10/2025

07:00-23:00

51

51

14/10/2025

23:00-07:00

47

47

15/10/2025

07:00-23:00

48

44

15/10/2025

23:00-07:00

---

---

16/10/2025

07:00-23:00

47

45

16/10/2025

23:00-07:00

---

---

17/10/2025

07:00-23:00

46

42

17/10/2025

23:00-07:00

---

---

18/10/2025

07:00-23:00

47

47

18/10/2025

23:00-07:00

32

32

19/10/2025

07:00-23:00

40

40

19/10/2025

23:00-07:00

33

33

20/10/2025

07:00-23:00

---

---

20/10/2025

23:00-07:00

50

49

21/10/2025

07:00-23:00

40

38

21/10/2025

23:00-07:00

44

40

22/10/2025

07:00-23:00

39

38

22/10/2025

23:00-07:00

37

35

23/10/2025

07:00-23:00

37

36

23/10/2025

23:00-07:00

---

---

24/10/2025

07:00-23:00

29

29

24/10/2025

23:00-07:00

---

---

25/10/2025

07:00-23:00

41

41

25/10/2025

23:00-07:00

---

---

26/10/2025

07:00-23:00

54

52

26/10/2025

23:00-07:00

---

---

27/10/2025

07:00-23:00

---

---

27/10/2025

23:00-07:00

---

---

28/10/2025

07:00-23:00

---

---

28/10/2025

23:00-07:00

---

---

29/10/2025

07:00-23:00

---

---

29/10/2025

23:00-07:00

---

---

30/10/2025

07:00-23:00

51

49

30/10/2025

23:00-07:00

40

38

31/10/2025

07:00-23:00

37

36

31/10/2025

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

1/10/2025

07:00-23:00

49

37

54

41

1/10/2025

23:00-07:00

40

35

45

40

2/10/2025

07:00-19:00

38

38

59

49

2/10/2025

19:00-23:00

40

36

51

43

2/10/2025

23:00-07:00

---

---

45

43

3/10/2025

07:00-19:00

---

---

46

37

3/10/2025

19:00-23:00

41

38

38

34

3/10/2025

23:00-07:00

40

36

39

31

4/10/2025

07:00-19:00

---

---

61

52

4/10/2025

19:00-23:00

---

---

---

---

4/10/2025

23:00-07:00

---

---

---

---

5/10/2025

07:00-23:00

---

---

60

60

5/10/2025

23:00-07:00

38

36

33

31

6/10/2025

07:00-19:00

---

---

59

52

6/10/2025

19:00-23:00

45

34

39

35

6/10/2025

23:00-07:00

33

31

43

40

7/10/2025

07:00-23:00

45

36

46

34

7/10/2025

23:00-07:00

39

37

45

41

8/10/2025

07:00-19:00

---

---

55

49

8/10/2025

19:00-23:00

42

32

59

48

8/10/2025

23:00-07:00

29

29

45

39

9/10/2025

07:00-19:00

---

---

65

58

9/10/2025

19:00-23:00

45

35

50

41

9/10/2025

23:00-07:00

31

30

45

36

10/10/2025

07:00-19:00

57

56

61

53

10/10/2025

19:00-23:00

56

54

49

37

10/10/2025

23:00-07:00

44

39

44

38

11/10/2025

07:00-19:00

---

---

62

52

11/10/2025

19:00-23:00

35

35

57

45

11/10/2025

23:00-07:00

40

37

45

42

12/10/2025

07:00-23:00

51

37

60

50

12/10/2025

23:00-07:00

39

33

45

38

13/10/2025

07:00-19:00

---

---

53

47

13/10/2025

19:00-23:00

41

36

51

41

13/10/2025

23:00-07:00

44

35

44

38

14/10/2025

07:00-19:00

51

51

55

48

14/10/2025

19:00-23:00

41

37

44

35

14/10/2025

23:00-07:00

37

37

42

34

15/10/2025

07:00-19:00

48

48

51

45

15/10/2025

19:00-23:00

40

35

46

39

15/10/2025

23:00-07:00

39

39

45

42

16/10/2025

07:00-19:00

---

---

60

53

16/10/2025

19:00-23:00

51

42

42

33

16/10/2025

23:00-07:00

37

29

45

37

17/10/2025

07:00-19:00

46

46

57

51

17/10/2025

19:00-23:00

40

36

57

40

17/10/2025

23:00-07:00

---

---

43

34

18/10/2025

07:00-19:00

47

47

58

49

18/10/2025

19:00-23:00

38

34

51

42

18/10/2025

23:00-07:00

35

28

45

40

19/10/2025

07:00-23:00

44

37

55

39

19/10/2025

23:00-07:00

33

33

45

36

20/10/2025

07:00-19:00

---

---

50

39

20/10/2025

19:00-23:00

41

30

53

39

20/10/2025

23:00-07:00

45

35

45

36

21/10/2025

07:00-19:00

---

---

47

40

21/10/2025

19:00-23:00

40

35

45

34

21/10/2025

23:00-07:00

44

30

45

37

22/10/2025

07:00-19:00

---

---

46

43

22/10/2025

19:00-23:00

47

36

45

35

22/10/2025

23:00-07:00

39

32

45

39

23/10/2025

07:00-19:00

---

---

42

39

23/10/2025

19:00-23:00

40

35

51

37

23/10/2025

23:00-07:00

31

31

43

34

24/10/2025

07:00-19:00

---

---

39

34

24/10/2025

19:00-23:00

44

34

43

33

24/10/2025

23:00-07:00

---

---

45

35

25/10/2025

07:00-19:00

41

41

37

30

25/10/2025

19:00-23:00

40

34

41

32

25/10/2025

23:00-07:00

---

---

42

35

26/10/2025

07:00-23:00

54

46

48

34

26/10/2025

23:00-07:00

---

---

40

33

27/10/2025

07:00-19:00

---

---

---

---

27/10/2025

19:00-23:00

23

23

40

34

27/10/2025

23:00-07:00

---

---

42

33

28/10/2025

07:00-19:00

---

---

40

40

28/10/2025

19:00-23:00

42

38

46

40

28/10/2025

23:00-07:00

45

38

45

40

29/10/2025

07:00-23:00

45

35

60

44

29/10/2025

23:00-07:00

---

---

45

40

30/10/2025

07:00-19:00

51

48

49

42

30/10/2025

19:00-23:00

39

36

48

34

30/10/2025

23:00-07:00

40

36

45

36

31/10/2025

07:00-19:00

---

---

37

30

31/10/2025

19:00-23:00

37

33

47

31

31/10/2025

23:00-07:00

35

29

42

32

 

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).