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

1/8/2023

07:00-23:00

---

---

1/8/2023

23:00-07:00

45

45

2/8/2023

07:00-23:00

43

40

2/8/2023

23:00-07:00

24

24

3/8/2023

07:00-23:00

37

34

3/8/2023

23:00-07:00

42

37

4/8/2023

07:00-23:00

44

44

4/8/2023

23:00-07:00

40

37

5/8/2023

07:00-23:00

44

40

5/8/2023

23:00-07:00

---

---

6/8/2023

07:00-23:00

48

41

6/8/2023

23:00-07:00

---

---

7/8/2023

07:00-23:00

42

41

7/8/2023

23:00-07:00

---

---

8/8/2023

07:00-23:00

53

53

8/8/2023

23:00-07:00

44

43

9/8/2023

07:00-23:00

44

44

9/8/2023

23:00-07:00

26

26

10/8/2023

07:00-23:00

49

45

10/8/2023

23:00-07:00

48

45

11/8/2023

07:00-23:00

55

49

11/8/2023

23:00-07:00

39

39

12/8/2023

07:00-23:00

---

---

12/8/2023

23:00-07:00

---

---

13/8/2023

07:00-23:00

41

38

13/8/2023

23:00-07:00

40

37

14/8/2023

07:00-23:00

38

36

14/8/2023

23:00-07:00

34

34

15/8/2023

07:00-23:00

43

43

15/8/2023

23:00-07:00

---

---

16/8/2023

07:00-23:00

58

54

16/8/2023

23:00-07:00

43

41

17/8/2023

07:00-23:00

42

41

17/8/2023

23:00-07:00

---

---

18/8/2023

07:00-23:00

46

44

18/8/2023

23:00-07:00

---

---

19/8/2023

07:00-23:00

45

45

19/8/2023

23:00-07:00

---

---

20/8/2023

07:00-23:00

44

41

20/8/2023

23:00-07:00

---

---

21/8/2023

07:00-23:00

45

41

21/8/2023

23:00-07:00

32

32

22/8/2023

07:00-23:00

40

38

22/8/2023

23:00-07:00

44

42

23/8/2023

07:00-23:00

48

45

23/8/2023

23:00-07:00

44

44

24/8/2023

07:00-23:00

---

---

24/8/2023

23:00-07:00

46

44

25/8/2023

07:00-23:00

40

39

25/8/2023

23:00-07:00

44

44

26/8/2023

07:00-23:00

49

45

26/8/2023

23:00-07:00

40

38

27/8/2023

07:00-23:00

40

40

27/8/2023

23:00-07:00

---

---

28/8/2023

07:00-23:00

50

46

28/8/2023

23:00-07:00

---

---

29/8/2023

07:00-23:00

46

45

29/8/2023

23:00-07:00

---

---

30/8/2023

07:00-23:00

---

---

30/8/2023

23:00-07:00

---

---

31/8/2023

07:00-23:00

---

---

31/8/2023

23:00-07:00

48

48

 

Note: --- represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

 

 

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

01/08/2023

07:00-19:00

---

---

47

41

01/08/2023

19:00-23:00

34

34

43

37

01/08/2023

23:00-07:00

45

45

43

38

02/08/2023

07:00-19:00

43

43

45

39

02/08/2023

19:00-23:00

15

15

48

43

02/08/2023

23:00-07:00

34

30

45

39

03/08/2023

07:00-19:00

37

37

45

35

03/08/2023

19:00-23:00

31

27

41

36

03/08/2023

23:00-07:00

42

31

45

35

04/08/2023

07:00-19:00

44

44

47

40

04/08/2023

19:00-23:00

39

37

50

42

04/08/2023

23:00-07:00

41

30

45

37

05/08/2023

07:00-19:00

44

39

44

38

05/08/2023

19:00-23:00

39

31

53

40

05/08/2023

23:00-07:00

34

34

45

41

06/08/2023

07:00-23:00

50

34

52

37

06/08/2023

23:00-07:00

43

41

45

40

07/08/2023

07:00-19:00

42

41

48

41

07/08/2023

19:00-23:00

---

---

50

41

07/08/2023

23:00-07:00

---

---

45

37

08/08/2023

07:00-19:00

53

53

50

39

08/08/2023

19:00-23:00

---

---

50

39

08/08/2023

23:00-07:00

44

40

45

36

09/08/2023

07:00-19:00

44

44

48

40

09/08/2023

19:00-23:00

---

---

59

41

09/08/2023

23:00-07:00

45

38

44

38

10/08/2023

07:00-19:00

49

47

55

41

10/08/2023

19:00-23:00

39

36

48

42

10/08/2023

23:00-07:00

44

36

45

38

11/08/2023

07:00-19:00

40

40

51

40

11/08/2023

19:00-23:00

55

46

55

38

11/08/2023

23:00-07:00

41

38

45

39

12/08/2023

07:00-19:00

---

---

56

45

12/08/2023

19:00-23:00

32

32

56

55

12/08/2023

23:00-07:00

---

---

45

41

13/08/2023

07:00-23:00

38

38

55

43

13/08/2023

23:00-07:00

44

37

44

38

14/08/2023

07:00-19:00

38

38

51

43

14/08/2023

19:00-23:00

33

33

45

38

14/08/2023

23:00-07:00

42

38

45

43

15/08/2023

07:00-19:00

43

43

52

42

15/08/2023

19:00-23:00

---

---

44

37

15/08/2023

23:00-07:00

35

35

44

41

16/08/2023

07:00-19:00

58

49

49

38

16/08/2023

19:00-23:00

---

---

47

40

16/08/2023

23:00-07:00

45

42

44

38

17/08/2023

07:00-19:00

42

42

51

40

17/08/2023

19:00-23:00

40

40

47

41

17/08/2023

23:00-07:00

32

32

44

37

18/08/2023

07:00-19:00

46

43

45

39

18/08/2023

19:00-23:00

34

33

53

39

18/08/2023

23:00-07:00

24

24

45

40

19/08/2023

07:00-19:00

45

45

50

39

19/08/2023

19:00-23:00

---

---

46

40

19/08/2023

23:00-07:00

---

---

45

44

20/08/2023

07:00-23:00

53

41

48

38

20/08/2023

23:00-07:00

31

28

44

41

21/08/2023

07:00-19:00

45

37

51

39

21/08/2023

19:00-23:00

43

36

42

39

21/08/2023

23:00-07:00

45

35

45

37

22/08/2023

07:00-19:00

40

37

48

40

22/08/2023

19:00-23:00

---

---

48

36

22/08/2023

23:00-07:00

44

39

45

40

23/08/2023

07:00-19:00

48

48

47

38

23/08/2023

19:00-23:00

31

31

44

36

23/08/2023

23:00-07:00

45

37

45

37

24/08/2023

07:00-19:00

---

---

46

41

24/08/2023

19:00-23:00

---

---

46

39

24/08/2023

23:00-07:00

45

35

42

37

25/08/2023

07:00-19:00

40

39

46

40

25/08/2023

19:00-23:00

52

46

46

41

25/08/2023

23:00-07:00

44

38

45

41

26/08/2023

07:00-19:00

49

44

44

38

26/08/2023

19:00-23:00

45

39

45

37

26/08/2023

23:00-07:00

44

37

43

38

27/08/2023

07:00-23:00

46

41

52

37

27/08/2023

23:00-07:00

43

37

45

40

28/08/2023

07:00-19:00

50

45

41

33

28/08/2023

19:00-23:00

40

38

43

37

28/08/2023

23:00-07:00

32

32

44

36

29/08/2023

07:00-19:00

46

44

39

34

29/08/2023

19:00-23:00

---

---

41

35

29/08/2023

23:00-07:00

33

33

44

38

30/08/2023

07:00-19:00

---

---

38

33

30/08/2023

19:00-23:00

---

---

50

37

30/08/2023

23:00-07:00

---

---

45

40

31/08/2023

07:00-19:00

---

---

43

38

31/08/2023

19:00-23:00

37

37

41

33

31/08/2023

23:00-07:00

45

45

43

39

 

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).