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

1/11/2023

07:00-23:00

---

---

1/11/2023

23:00-07:00

52

49

2/11/2023

07:00-23:00

58

55

2/11/2023

23:00-07:00

---

---

3/11/2023

07:00-23:00

---

---

3/11/2023

23:00-07:00

---

---

4/11/2023

07:00-23:00

---

---

4/11/2023

23:00-07:00

---

---

5/11/2023

07:00-23:00

---

---

5/11/2023

23:00-07:00

---

---

6/11/2023

07:00-23:00

---

---

6/11/2023

23:00-07:00

---

---

7/11/2023

07:00-23:00

45

45

7/11/2023

23:00-07:00

---

---

8/11/2023

07:00-23:00

---

---

8/11/2023

23:00-07:00

---

---

9/11/2023

07:00-23:00

---

---

9/11/2023

23:00-07:00

---

---

10/11/2023

07:00-23:00

---

---

10/11/2023

23:00-07:00

---

---

11/11/2023

07:00-23:00

---

---

11/11/2023

23:00-07:00

37

34

12/11/2023

07:00-23:00

---

---

12/11/2023

23:00-07:00

---

---

13/11/2023

07:00-23:00

40

40

13/11/2023

23:00-07:00

---

---

14/11/2023

07:00-23:00

---

---

14/11/2023

23:00-07:00

28

28

15/11/2023

07:00-23:00

---

---

15/11/2023

23:00-07:00

---

---

16/11/2023

07:00-23:00

56

53

16/11/2023

23:00-07:00

47

41

17/11/2023

07:00-23:00

---

---

17/11/2023

23:00-07:00

---

---

18/11/2023

07:00-23:00

37

35

18/11/2023

23:00-07:00

30

30

19/11/2023

07:00-23:00

43

40

19/11/2023

23:00-07:00

44

43

20/11/2023

07:00-23:00

---

---

20/11/2023

23:00-07:00

---

---

21/11/2023

07:00-23:00

50

50

21/11/2023

23:00-07:00

42

41

22/11/2023

07:00-23:00

---

---

22/11/2023

23:00-07:00

48

47

23/11/2023

07:00-23:00

51

50

23/11/2023

23:00-07:00

27

27

24/11/2023

07:00-23:00

---

---

24/11/2023

23:00-07:00

38

37

25/11/2023

07:00-23:00

39

39

25/11/2023

23:00-07:00

---

---

26/11/2023

07:00-23:00

---

---

26/11/2023

23:00-07:00

---

---

27/11/2023

07:00-23:00

60

60

27/11/2023

23:00-07:00

47

47

28/11/2023

07:00-23:00

---

---

28/11/2023

23:00-07:00

41

39

29/11/2023

07:00-23:00

48

48

29/11/2023

23:00-07:00

37

37

30/11/2023

07:00-23:00

55

55

30/11/2023

23:00-07:00

42

39

 

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

01/11/2023

07:00-19:00

---

---

43

38

01/11/2023

19:00-23:00

---

---

48

39

01/11/2023

23:00-07:00

37

33

45

39

02/11/2023

07:00-19:00

58

51

43

35

02/11/2023

19:00-23:00

---

---

45

39

02/11/2023

23:00-07:00

41

34

45

41

03/11/2023

07:00-19:00

65

65

38

32

03/11/2023

19:00-23:00

---

---

44

39

03/11/2023

23:00-07:00

33

33

45

42

04/11/2023

07:00-19:00

---

---

42

37

04/11/2023

19:00-23:00

---

---

49

39

04/11/2023

23:00-07:00

45

42

45

42

05/11/2023

07:00-23:00

43

38

47

37

05/11/2023

23:00-07:00

---

---

45

40

06/11/2023

07:00-19:00

63

63

39

35

06/11/2023

19:00-23:00

39

39

48

36

06/11/2023

23:00-07:00

30

30

45

43

07/11/2023

07:00-19:00

45

45

42

35

07/11/2023

19:00-23:00

37

37

50

39

07/11/2023

23:00-07:00

---

---

45

40

08/11/2023

07:00-19:00

---

---

45

37

08/11/2023

19:00-23:00

---

---

44

37

08/11/2023

23:00-07:00

---

---

45

42

09/11/2023

07:00-19:00

---

---

45

37

09/11/2023

19:00-23:00

---

---

42

35

09/11/2023

23:00-07:00

---

---

45

40

10/11/2023

07:00-19:00

---

---

44

37

10/11/2023

19:00-23:00

---

---

50

38

10/11/2023

23:00-07:00

---

---

45

42

11/11/2023

07:00-19:00

---

---

46

40

11/11/2023

19:00-23:00

37

37

50

40

11/11/2023

23:00-07:00

41

35

45

42

12/11/2023

07:00-23:00

40

36

51

35

12/11/2023

23:00-07:00

44

37

45

43

13/11/2023

07:00-19:00

40

40

43

37

13/11/2023

19:00-23:00

---

---

45

41

13/11/2023

23:00-07:00

34

34

45

41

14/11/2023

07:00-19:00

69

59

45

41

14/11/2023

19:00-23:00

36

31

46

40

14/11/2023

23:00-07:00

39

30

45

39

15/11/2023

07:00-19:00

---

---

43

40

15/11/2023

19:00-23:00

34

34

46

39

15/11/2023

23:00-07:00

38

33

45

39

16/11/2023

07:00-19:00

56

51

47

43

16/11/2023

19:00-23:00

37

30

47

40

16/11/2023

23:00-07:00

45

35

45

37

17/11/2023

07:00-19:00

---

---

42

38

17/11/2023

19:00-23:00

---

---

45

38

17/11/2023

23:00-07:00

---

---

45

39

18/11/2023

07:00-19:00

37

37

41

38

18/11/2023

19:00-23:00

40

35

44

38

18/11/2023

23:00-07:00

33

32

44

40

19/11/2023

07:00-23:00

43

35

48

42

19/11/2023

23:00-07:00

45

43

45

43

20/11/2023

07:00-19:00

---

---

45

40

20/11/2023

19:00-23:00

---

---

48

42

20/11/2023

23:00-07:00

---

---

45

41

21/11/2023

07:00-19:00

50

50

45

39

21/11/2023

19:00-23:00

---

---

47

42

21/11/2023

23:00-07:00

45

40

45

40

22/11/2023

07:00-19:00

63

61

43

37

22/11/2023

19:00-23:00

---

---

43

40

22/11/2023

23:00-07:00

45

42

45

38

23/11/2023

07:00-19:00

51

50

41

33

23/11/2023

19:00-23:00

18

18

42

38

23/11/2023

23:00-07:00

36

33

45

39

24/11/2023

07:00-19:00

---

---

46

38

24/11/2023

19:00-23:00

---

---

53

42

24/11/2023

23:00-07:00

45

35

45

38

25/11/2023

07:00-19:00

---

---

43

38

25/11/2023

19:00-23:00

39

33

48

38

25/11/2023

23:00-07:00

33

29

45

40

26/11/2023

07:00-23:00

53

39

50

38

26/11/2023

23:00-07:00

35

35

45

40

27/11/2023

07:00-19:00

60

60

41

36

27/11/2023

19:00-23:00

---

---

45

40

27/11/2023

23:00-07:00

40

32

45

42

28/11/2023

07:00-19:00

---

---

42

39

28/11/2023

19:00-23:00

37

37

46

38

28/11/2023

23:00-07:00

43

36

45

41

29/11/2023

07:00-19:00

48

48

45

39

29/11/2023

19:00-23:00

---

---

47

39

29/11/2023

23:00-07:00

44

39

42

37

30/11/2023

07:00-19:00

55

55

44

37

30/11/2023

19:00-23:00

30

30

45

40

30/11/2023

23:00-07:00

45

40

40

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).