Appendix E                Continuous Noise Monitoring Results for February 2026

 

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)

Noise Equipment:       B&K 2250 sound level meters and B&K 4231 sound

                       level calibrator

Lab. Calibration Date: B&K 2250 sound level meters - 18/6/2024 (Ash Lagoon)

                                                      7/5/2025 (Ching Lam)

     B&K 4231 calibrator (7/5/2025)

 

Date

Time

Calculated

Noise

Level at

NSR at Long

Tsai

Tsuen/Hung

Shing Ye

(dB(A))

Limit

Noise

Level

(dB(A))

Calculated

Noise

Level at

NSR at the

school

within Tai

Wan San

Tsuen

(dB(A))

Limit

Noise

Level

(dB(A))

Max

Avg

Max

Avg

1/02/2026

07:00-23:00

47

34

60

45

34

60

1/02/2026

23:00-07:00

38

32

45

39

32

45

2/02/2026

07:00-19:00

---

---

75

42

37

70

2/02/2026

19:00-23:00

41

32

60

49

39

60

2/02/2026

23:00-07:00

37

30

45

44

38

45

3/02/2026

07:00-19:00

---

---

75

57

47

70

3/02/2026

19:00-23:00

44

36

60

54

44

60

3/02/2026

23:00-07:00

40

35

45

45

37

45

4/02/2026

07:00-19:00

---

---

75

57

45

70

4/02/2026

19:00-23:00

45

37

60

49

40

60

4/02/2026

23:00-07:00

38

35

45

45

37

45

5/02/2026

07:00-19:00

---

---

75

42

36

70

5/02/2026

19:00-23:00

46

36

60

43

32

60

5/02/2026

23:00-07:00

39

34

45

45

38

45

6/02/2026

07:00-19:00

49

49

75

36

31

70

6/02/2026

19:00-23:00

47

38

60

41

31

60

6/02/2026

23:00-07:00

38

30

45

45

39

45

7/02/2026

07:00-19:00

---

---

75

58

50

70

7/02/2026

19:00-23:00

41

33

60

51

40

60

7/02/2026

23:00-07:00

36

33

45

45

40

45

8/02/2026

07:00-23:00

46

35

60

48

38

60

8/02/2026

23:00-07:00

44

36

45

45

36

45

9/02/2026

07:00-19:00

---

---

75

60

46

70

9/02/2026

19:00-23:00

45

35

60

56

39

60

9/02/2026

23:00-07:00

43

31

45

44

35

45

10/02/2026

07:00-19:00

---

---

75

37

32

70

10/02/2026

19:00-23:00

41

36

60

53

38

60

10/02/2026

23:00-07:00

44

32

45

45

30

45

11/02/2026

07:00-19:00

---

---

75

38

34

70

11/02/2026

19:00-23:00

40

35

60

56

38

60

11/02/2026

23:00-07:00

36

28

45

45

40

45

12/02/2026

07:00-19:00

26

26

75

47

35

70

12/02/2026

19:00-23:00

39

34

60

39

29

60

12/02/2026

23:00-07:00

44

40

45

42

37

45

13/02/2026

07:00-19:00

---

---

75

49

42

70

13/02/2026

19:00-23:00

37

34

60

45

37

60

13/02/2026

23:00-07:00

---

---

45

44

40

45

14/02/2026

07:00-19:00

50

49

75

41

35

70

14/02/2026

19:00-23:00

---

---

60

45

42

60

14/02/2026

23:00-07:00

32

32

45

45

42

45

15/02/2026

07:00-23:00

45

35

60

51

36

60

15/02/2026

23:00-07:00

---

---

45

45

40

45

16/02/2026

07:00-19:00

55

55

75

56

52

70

16/02/2026

19:00-23:00

36

31

60

49

41

60

16/02/2026

23:00-07:00

37

33

45

45

37

45

17/02/2026

07:00-23:00

39

37

60

39

33

60

17/02/2026

23:00-07:00

---

---

45

42

39

45

18/02/2026

07:00-23:00

40

32

60

53

45

60

18/02/2026

23:00-07:00

34

34

45

45

39

45

19/02/2026

07:00-23:00

40

31

60

54

43

60

19/02/2026

23:00-07:00

35

35

45

34

29

45

20/02/2026

07:00-19:00

42

42

75

44

33

70

20/02/2026

19:00-23:00

49

42

60

46

37

60

20/02/2026

23:00-07:00

---

---

45

43

36

45

21/02/2026

07:00-19:00

---

---

75

53

42

70

21/02/2026

19:00-23:00

---

---

60

43

37

60

21/02/2026

23:00-07:00

34

34

45

45

38

45

22/02/2026

07:00-23:00

50

39

60

36

36

60

22/02/2026

23:00-07:00

45

39

45

45

38

45

23/02/2026

07:00-19:00

---

---

75

63

53

70

23/02/2026

19:00-23:00

34

34

60

60

53

60

23/02/2026

23:00-07:00

---

---

45

45

39

45

24/02/2026

07:00-19:00

---

---

75

---

---

70

24/02/2026

19:00-23:00

---

---

60

48

41

60

24/02/2026

23:00-07:00

44

44

45

45

39

45

25/02/2026

07:00-19:00

46

46

75

61

52

70

25/02/2026

19:00-23:00

---

---

60

60

51

60

25/02/2026

23:00-07:00

---

---

45

41

36

45

26/02/2026

07:00-19:00

---

---

75

57

50

70

26/02/2026

19:00-23:00

---

---

60

54

42

60

26/02/2026

23:00-07:00

39

39

45

45

41

45

27/02/2026

07:00-19:00

---

---

75

48

44

70

27/02/2026

19:00-23:00

45

39

60

56

49

60

27/02/2026

23:00-07:00

45

38

45

45

37

45

28/02/2026

07:00-19:00

57

57

75

70

64

70

28/02/2026

19:00-23:00

46

40

60

42

35

60

28/02/2026

23:00-07:00

45

42

45

43

38

45

 

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).