Appendix E                Continuous Noise Monitoring Results for October 2024

 

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 - 20/9/2023 (Ash Lagoon)

                                                      15/8/2023 (Ching Lam)

     B&K 4231 calibrator (10/5/2024)

 

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

1/10/2024

07:00-23:00

53

45

60

53

39

60

1/10/2024

23:00-07:00

---

---

45

45

42

45

2/10/2024

07:00-19:00

---

---

75

44

38

70

2/10/2024

19:00-23:00

---

---

60

37

32

60

2/10/2024

23:00-07:00

---

---

45

45

39

45

3/10/2024

07:00-19:00

---

---

75

43

37

70

3/10/2024

19:00-23:00

---

---

60

40

35

60

3/10/2024

23:00-07:00

---

---

45

38

32

45

4/10/2024

07:00-19:00

---

---

75

27

27

70

4/10/2024

19:00-23:00

---

---

60

37

32

60

4/10/2024

23:00-07:00

39

39

45

36

26

45

5/10/2024

07:00-19:00

---

---

75

---

---

70

5/10/2024

19:00-23:00

---

---

60

48

39

60

5/10/2024

23:00-07:00

---

---

45

43

39

45

6/10/2024

07:00-23:00

49

40

60

44

36

60

6/10/2024

23:00-07:00

45

43

45

43

37

45

7/10/2024

07:00-19:00

33

33

75

44

39

70

7/10/2024

19:00-23:00

---

---

60

39

34

60

7/10/2024

23:00-07:00

---

---

45

43

36

45

8/10/2024

07:00-19:00

---

---

75

50

40

70

8/10/2024

19:00-23:00

---

---

60

41

36

60

8/10/2024

23:00-07:00

45

43

45

42

40

45

9/10/2024

07:00-19:00

---

---

75

41

36

70

9/10/2024

19:00-23:00

34

32

60

46

36

60

9/10/2024

23:00-07:00

41

40

45

45

35

45

10/10/2024

07:00-19:00

---

---

75

42

37

70

10/10/2024

19:00-23:00

---

---

60

45

38

60

10/10/2024

23:00-07:00

---

---

45

42

34

45

11/10/2024

07:00-23:00

46

46

60

42

35

60

11/10/2024

23:00-07:00

---

---

45

42

38

45

12/10/2024

07:00-19:00

---

---

75

47

40

70

12/10/2024

19:00-23:00

---

---

60

39

34

60

12/10/2024

23:00-07:00

39

39

45

45

35

45

13/10/2024

07:00-23:00

---

---

60

43

42

60

13/10/2024

23:00-07:00

45

39

45

44

35

45

14/10/2024

07:00-19:00

---

---

75

42

39

70

14/10/2024

19:00-23:00

---

---

60

38

36

60

14/10/2024

23:00-07:00

45

43

45

42

35

45

15/10/2024

07:00-19:00

---

---

75

44

39

70

15/10/2024

19:00-23:00

---

---

60

44

41

60

15/10/2024

23:00-07:00

40

40

45

45

42

45

16/10/2024

07:00-19:00

---

---

75

48

42

70

16/10/2024

19:00-23:00

---

---

60

45

38

60

16/10/2024

23:00-07:00

44

43

45

45

38

45

17/10/2024

07:00-19:00

---

---

75

39

36

70

17/10/2024

19:00-23:00

---

---

60

40

36

60

17/10/2024

23:00-07:00

43

43

45

44

37

45

18/10/2024

07:00-19:00

---

---

75

42

36

70

18/10/2024

19:00-23:00

---

---

60

40

34

60

18/10/2024

23:00-07:00

44

44

45

45

35

45

19/10/2024

07:00-19:00

42

42

75

46

39

70

19/10/2024

19:00-23:00

---

---

60

44

36

60

19/10/2024

23:00-07:00

---

---

45

45

37

45

20/10/2024

07:00-23:00

33

33

60

50

35

60

20/10/2024

23:00-07:00

---

---

45

41

35

45

21/10/2024

07:00-19:00

---

---

75

38

36

70

21/10/2024

19:00-23:00

48

41

60

34

30

60

21/10/2024

23:00-07:00

43

37

45

38

30

45

22/10/2024

07:00-19:00

---

---

75

---

---

70

22/10/2024

19:00-23:00

---

---

60

57

35

60

22/10/2024

23:00-07:00

44

40

45

42

32

45

23/10/2024

07:00-19:00

41

41

75

37

30

70

23/10/2024

19:00-23:00

---

---

60

43

35

60

23/10/2024

23:00-07:00

---

---

45

40

35

45

24/10/2024

07:00-19:00

---

---

75

26

26

70

24/10/2024

19:00-23:00

---

---

60

40

29

60

24/10/2024

23:00-07:00

---

---

45

45

37

45

25/10/2024

07:00-19:00

---

---

75

41

36

70

25/10/2024

19:00-23:00

---

---

60

49

39

60

25/10/2024

23:00-07:00

30

29

45

45

40

45

26/10/2024

07:00-19:00

---

---

75

25

25

70

26/10/2024

19:00-23:00

---

---

60

26

26

60

26/10/2024

23:00-07:00

---

---

45

42

36

45

27/10/2024

07:00-23:00

45

37

60

45

36

60

27/10/2024

23:00-07:00

37

37

45

43

32

45

28/10/2024

07:00-19:00

---

---

75

45

41

70

28/10/2024

19:00-23:00

---

---

60

50

37

60

28/10/2024

23:00-07:00

43

43

45

45

35

45

29/10/2024

07:00-19:00

---

---

75

40

35

70

29/10/2024

19:00-23:00

---

---

60

39

36

60

29/10/2024

23:00-07:00

---

---

45

45

38

45

30/10/2024

07:00-19:00

46

46

75

38

34

70

30/10/2024

19:00-23:00

---

---

60

39

35

60

30/10/2024

23:00-07:00

---

---

45

44

38

45

31/10/2024

07:00-19:00

---

---

75

41

32

70

31/10/2024

19:00-23:00

---

---

60

38

37

60

31/10/2024

23:00-07:00

---

---

45

45

43

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).