Appendix E                Continuous Noise Monitoring Results for January 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

1/01/2026

07:00-23:00

45

36

60

58

44

60

1/01/2026

23:00-07:00

40

32

45

45

34

45

2/01/2026

07:00-19:00

---

---

75

38

36

70

2/01/2026

19:00-23:00

40

29

60

41

35

60

2/01/2026

23:00-07:00

39

32

45

45

30

45

3/01/2026

07:00-19:00

---

---

75

65

54

70

3/01/2026

19:00-23:00

47

36

60

55

38

60

3/01/2026

23:00-07:00

34

34

45

45

37

45

4/01/2026

07:00-23:00

50

39

60

48

34

60

4/01/2026

23:00-07:00

39

32

45

34

29

45

5/01/2026

07:00-19:00

52

52

75

42

38

70

5/01/2026

19:00-23:00

42

31

60

45

35

60

5/01/2026

23:00-07:00

41

34

45

44

32

45

6/01/2026

07:00-19:00

---

---

75

44

38

70

6/01/2026

19:00-23:00

42

35

60

51

36

60

6/01/2026

23:00-07:00

42

33

45

45

34

45

7/01/2026

07:00-19:00

---

---

75

38

35

70

7/01/2026

19:00-23:00

46

36

60

48

35

60

7/01/2026

23:00-07:00

27

27

45

45

36

45

8/01/2026

07:00-19:00

---

---

75

46

40

70

8/01/2026

19:00-23:00

47

37

60

41

32

60

8/01/2026

23:00-07:00

37

34

45

42

34

45

9/01/2026

07:00-19:00

---

---

75

41

34

70

9/01/2026

19:00-23:00

41

34

60

42

37

60

9/01/2026

23:00-07:00

45

37

45

43

34

45

10/01/2026

07:00-19:00

40

37

75

40

34

70

10/01/2026

19:00-23:00

54

45

60

41

33

60

10/01/2026

23:00-07:00

44

35

45

43

39

45

11/01/2026

07:00-23:00

57

48

60

59

46

60

11/01/2026

23:00-07:00

45

40

45

45

36

45

12/01/2026

07:00-19:00

43

43

75

42

38

70

12/01/2026

19:00-23:00

45

34

60

43

35

60

12/01/2026

23:00-07:00

38

32

45

43

36

45

13/01/2026

07:00-19:00

---

---

75

44

37

70

13/01/2026

19:00-23:00

43

36

60

40

31

60

13/01/2026

23:00-07:00

38

29

45

45

38

45

14/01/2026

07:00-19:00

---

---

75

60

48

70

14/01/2026

19:00-23:00

45

36

60

49

33

60

14/01/2026

23:00-07:00

42

32

45

41

32

45

15/01/2026

07:00-19:00

---

---

75

37

37

70

15/01/2026

19:00-23:00

41

34

60

48

33

60

15/01/2026

23:00-07:00

37

31

45

41

34

45

16/01/2026

07:00-19:00

---

---

75

42

39

70

16/01/2026

19:00-23:00

42

35

60

46

35

60

16/01/2026

23:00-07:00

33

27

45

40

33

45

17/01/2026

07:00-19:00

---

---

75

55

49

70

17/01/2026

19:00-23:00

40

31

60

49

36

60

17/01/2026

23:00-07:00

31

31

45

45

41

45

18/01/2026

07:00-23:00

41

35

60

58

45

60

18/01/2026

23:00-07:00

36

32

45

44

40

45

19/01/2026

07:00-19:00

---

---

75

59

49

70

19/01/2026

19:00-23:00

38

37

60

56

42

60

19/01/2026

23:00-07:00

41

35

45

45

39

45

20/01/2026

07:00-19:00

---

---

75

63

50

70

20/01/2026

19:00-23:00

41

34

60

45

40

60

20/01/2026

23:00-07:00

---

---

45

42

36

45

21/01/2026

07:00-19:00

---

---

75

39

39

70

21/01/2026

19:00-23:00

30

27

60

32

26

60

21/01/2026

23:00-07:00

---

---

45

39

34

45

22/01/2026

07:00-19:00

---

---

75

41

37

70

22/01/2026

19:00-23:00

38

35

60

39

34

60

22/01/2026

23:00-07:00

37

30

45

44

39

45

23/01/2026

07:00-19:00

---

---

75

42

35

70

23/01/2026

19:00-23:00

43

37

60

42

36

60

23/01/2026

23:00-07:00

41

33

45

39

31

45

24/01/2026

07:00-19:00

---

---

75

---

---

70

24/01/2026

19:00-23:00

43

40

60

41

32

60

24/01/2026

23:00-07:00

44

31

45

45

34

45

25/01/2026

07:00-23:00

45

38

60

60

51

60

25/01/2026

23:00-07:00

45

37

45

45

38

45

26/01/2026

07:00-19:00

57

55

75

60

50

70

26/01/2026

19:00-23:00

44

37

60

54

39

60

26/01/2026

23:00-07:00

40

30

45

43

35

45

27/01/2026

07:00-19:00

---

---

75

44

35

70

27/01/2026

19:00-23:00

45

35

60

58

46

60

27/01/2026

23:00-07:00

42

35

45

45

37

45

28/01/2026

07:00-19:00

---

---

75

54

45

70

28/01/2026

19:00-23:00

43

37

60

52

42

60

28/01/2026

23:00-07:00

42

32

45

45

32

45

29/01/2026

07:00-19:00

---

---

75

59

52

70

29/01/2026

19:00-23:00

42

32

60

52

40

60

29/01/2026

23:00-07:00

44

33

45

45

34

45

30/01/2026

07:00-19:00

52

51

75

48

37

70

30/01/2026

19:00-23:00

46

33

60

56

34

60

30/01/2026

23:00-07:00

39

33

45

42

31

45

31/01/2026

07:00-19:00

---

---

75

45

36

70

31/01/2026

19:00-23:00

41

33

60

45

35

60

31/01/2026

23:00-07:00

40

30

45

43

36

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).