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

01/05/2026

07:00-23:00

---

---

01/05/2026

23:00-07:00

---

---

02/05/2026

07:00-23:00

52

48

02/05/2026

23:00-07:00

44

41

03/05/2026

07:00-23:00

53

50

03/05/2026

23:00-07:00

40

40

04/05/2026

07:00-23:00

54

50

04/05/2026

23:00-07:00

36

34

05/05/2026

07:00-23:00

52

50

05/05/2026

23:00-07:00

50

50

06/05/2026

07:00-23:00

45

43

06/05/2026

23:00-07:00

---

---

07/05/2026

07:00-23:00

48

48

07/05/2026

23:00-07:00

50

47

08/05/2026

07:00-23:00

42

42

08/05/2026

23:00-07:00

43

41

09/05/2026

07:00-23:00

---

---

09/05/2026

23:00-07:00

---

---

10/05/2026

07:00-23:00

50

47

10/05/2026

23:00-07:00

50

49

11/05/2026

07:00-23:00

---

---

11/05/2026

23:00-07:00

44

44

12/05/2026

07:00-23:00

---

---

12/05/2026

23:00-07:00

---

---

13/05/2026

07:00-23:00

54

54

13/05/2026

23:00-07:00

---

---

14/05/2026

07:00-23:00

39

36

14/05/2026

23:00-07:00

49

44

15/05/2026

07:00-23:00

43

43

15/05/2026

23:00-07:00

---

---

16/05/2026

07:00-23:00

22

22

16/05/2026

23:00-07:00

48

43

17/05/2026

07:00-23:00

46

42

17/05/2026

23:00-07:00

---

---

18/05/2026

07:00-23:00

38

38

18/05/2026

23:00-07:00

40

37

19/05/2026

07:00-23:00

47

40

19/05/2026

23:00-07:00

---

---

20/05/2026

07:00-23:00

38

38

20/05/2026

23:00-07:00

46

42

21/05/2026

07:00-23:00

45

45

21/05/2026

23:00-07:00

---

---

22/05/2026

07:00-23:00

36

36

22/05/2026

23:00-07:00

49

46

23/05/2026

07:00-23:00

49

48

23/05/2026

23:00-07:00

44

44

24/05/2026

07:00-23:00

55

52

24/05/2026

23:00-07:00

41

41

25/05/2026

07:00-23:00

56

53

25/05/2026

23:00-07:00

50

47

26/05/2026

07:00-23:00

---

---

26/05/2026

23:00-07:00

40

40

27/05/2026

07:00-23:00

52

49

27/05/2026

23:00-07:00

---

---

28/05/2026

07:00-23:00

51

48

28/05/2026

23:00-07:00

---

---

29/05/2026

07:00-23:00

53

50

29/05/2026

23:00-07:00

42

39

30/05/2026

07:00-23:00

---

---

30/05/2026

23:00-07:00

49

49

31/05/2026

07:00-23:00

34

33

31/05/2026

23:00-07:00

48

48

 

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

1/05/2026

07:00-23:00

47

42

60

55

1/05/2026

23:00-07:00

45

45

---

---

2/05/2026

07:00-19:00

52

45

66

58

2/05/2026

19:00-23:00

44

35

60

44

2/05/2026

23:00-07:00

44

32

45

40

3/05/2026

07:00-23:00

56

45

60

46

3/05/2026

23:00-07:00

44

36

41

32

4/05/2026

07:00-19:00

54

48

63

52

4/05/2026

19:00-23:00

38

36

33

33

4/05/2026

23:00-07:00

39

31

34

27

5/05/2026

07:00-19:00

52

49

69

55

5/05/2026

19:00-23:00

---

---

60

53

5/05/2026

23:00-07:00

45

38

44

35

6/05/2026

07:00-19:00

---

---

62

50

6/05/2026

19:00-23:00

46

43

54

43

6/05/2026

23:00-07:00

---

---

45

37

7/05/2026

07:00-19:00

48

48

65

57

7/05/2026

19:00-23:00

---

---

59

50

7/05/2026

23:00-07:00

45

44

44

35

8/05/2026

07:00-19:00

42

42

48

44

8/05/2026

19:00-23:00

---

---

45

38

8/05/2026

23:00-07:00

43

39

38

34

9/05/2026

07:00-19:00

---

---

70

65

9/05/2026

19:00-23:00

---

---

60

54

9/05/2026

23:00-07:00

---

---

45

38

10/05/2026

07:00-23:00

54

42

59

47

10/05/2026

23:00-07:00

45

45

45

39

11/05/2026

07:00-19:00

---

---

45

39

11/05/2026

19:00-23:00

---

---

43

36

11/05/2026

23:00-07:00

45

45

45

37

12/05/2026

07:00-19:00

---

---

53

46

12/05/2026

19:00-23:00

---

---

54

43

12/05/2026

23:00-07:00

45

44

45

40

13/05/2026

07:00-19:00

54

54

61

53

13/05/2026

19:00-23:00

---

---

60

49

13/05/2026

23:00-07:00

26

26

45

37

14/05/2026

07:00-19:00

---

---

68

58

14/05/2026

19:00-23:00

39

30

49

37

14/05/2026

23:00-07:00

45

40

39

29

15/05/2026

07:00-19:00

---

---

69

63

15/05/2026

19:00-23:00

43

38

59

48

15/05/2026

23:00-07:00

44

37

45

36

16/05/2026

07:00-19:00

22

22

70

56

16/05/2026

19:00-23:00

51

46

46

41

16/05/2026

23:00-07:00

45

40

43

36

17/05/2026

07:00-23:00

47

40

42

35

17/05/2026

23:00-07:00

---

---

---

---

18/05/2026

07:00-19:00

---

---

---

---

18/05/2026

19:00-23:00

39

38

34

33

18/05/2026

23:00-07:00

41

35

37

30

19/05/2026

07:00-19:00

47

37

63

42

19/05/2026

19:00-23:00

43

40

59

53

19/05/2026

23:00-07:00

22

22

17

17

20/05/2026

07:00-19:00

38

38

47

39

20/05/2026

19:00-23:00

---

---

42

37

20/05/2026

23:00-07:00

45

38

45

37

21/05/2026

07:00-19:00

45

45

---

---

21/05/2026

19:00-23:00

40

40

37

37

21/05/2026

23:00-07:00

45

39

42

39

22/05/2026

07:00-19:00

36

36

---

---

22/05/2026

19:00-23:00

41

41

41

38

22/05/2026

23:00-07:00

45

39

41

36

23/05/2026

07:00-19:00

49

48

---

---

23/05/2026

19:00-23:00

40

40

46

38

23/05/2026

23:00-07:00

44

44

44

34

24/05/2026

07:00-23:00

56

50

51

39

24/05/2026

23:00-07:00

45

39

42

37

25/05/2026

07:00-23:00

56

51

57

48

25/05/2026

23:00-07:00

45

39

44

38

26/05/2026

07:00-19:00

---

---

33

33

26/05/2026

19:00-23:00

39

39

52

46

26/05/2026

23:00-07:00

40

37

43

37

27/05/2026

07:00-19:00

52

47

43

37

27/05/2026

19:00-23:00

38

38

50

45

27/05/2026

23:00-07:00

45

40

42

34

28/05/2026

07:00-19:00

51

45

45

40

28/05/2026

19:00-23:00

---

---

51

45

28/05/2026

23:00-07:00

43

41

38

38

29/05/2026

07:00-19:00

53

49

45

41

29/05/2026

19:00-23:00

34

32

51

41

29/05/2026

23:00-07:00

45

36

44

36

30/05/2026

07:00-19:00

---

---

42

38

30/05/2026

19:00-23:00

34

34

49

42

30/05/2026

23:00-07:00

44

39

42

28

31/05/2026

07:00-23:00

34

34

49

38

31/05/2026

23:00-07:00

---

---

44

35

 

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).