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

1/6/2023

07:00-23:00

58

56

1/6/2023

23:00-07:00

---

---

2/6/2023

07:00-23:00

56

53

2/6/2023

23:00-07:00

49

49

3/6/2023

07:00-23:00

60

54

3/6/2023

23:00-07:00

---

---

4/6/2023

07:00-23:00

55

49

4/6/2023

23:00-07:00

---

---

5/6/2023

07:00-23:00

29

29

5/6/2023

23:00-07:00

---

---

6/6/2023

07:00-23:00

30

30

6/6/2023

23:00-07:00

---

---

7/6/2023

07:00-23:00

---

---

7/6/2023

23:00-07:00

46

43

8/6/2023

07:00-23:00

58

58

8/6/2023

23:00-07:00

---

---

9/6/2023

07:00-23:00

49

48

9/6/2023

23:00-07:00

---

---

10/6/2023

07:00-23:00

39

39

10/6/2023

23:00-07:00

---

---

11/6/2023

07:00-23:00

47

43

11/6/2023

23:00-07:00

---

---

12/6/2023

07:00-23:00

44

44

12/6/2023

23:00-07:00

48

43

13/6/2023

07:00-23:00

52

49

13/6/2023

23:00-07:00

52

45

14/6/2023

07:00-23:00

---

---

14/6/2023

23:00-07:00

49

46

15/6/2023

07:00-23:00

56

54

15/6/2023

23:00-07:00

44

42

16/6/2023

07:00-23:00

45

42

16/6/2023

23:00-07:00

35

35

17/6/2023

07:00-23:00

57

52

17/6/2023

23:00-07:00

---

---

18/6/2023

07:00-23:00

40

37

18/6/2023

23:00-07:00

38

38

19/6/2023

07:00-23:00

42

42

19/6/2023

23:00-07:00

---

---

20/6/2023

07:00-23:00

53

51

20/6/2023

23:00-07:00

---

---

21/6/2023

07:00-23:00

48

48

21/6/2023

23:00-07:00

---

---

22/6/2023

07:00-23:00

---

---

22/6/2023

23:00-07:00

44

42

23/6/2023

07:00-23:00

---

---

23/6/2023

23:00-07:00

38

37

24/6/2023

07:00-23:00

---

---

24/6/2023

23:00-07:00

46

46

25/6/2023

07:00-23:00

43

43

25/6/2023

23:00-07:00

39

39

26/6/2023

07:00-23:00

36

36

26/6/2023

23:00-07:00

44

44

27/6/2023

07:00-23:00

37

37

27/6/2023

23:00-07:00

41

39

28/6/2023

07:00-23:00

55

52

28/6/2023

23:00-07:00

47

46

29/6/2023

07:00-23:00

47

47

29/6/2023

23:00-07:00

40

40

30/6/2023

07:00-23:00

54

51

30/6/2023

23:00-07:00

---

---

 

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

01/06/2023

07:00-19:00

58

43

44

44

01/06/2023

19:00-23:00

43

38

38

31

01/06/2023

23:00-07:00

43

33

42

35

02/06/2023

07:00-19:00

56

42

38

38

02/06/2023

19:00-23:00

39

33

---

---

02/06/2023

23:00-07:00

45

34

37

35

03/06/2023

07:00-19:00

60

45

32

32

03/06/2023

19:00-23:00

38

35

27

27

03/06/2023

23:00-07:00

44

35

39

39

04/06/2023

07:00-23:00

55

37

29

27

04/06/2023

23:00-07:00

45

44

39

39

05/06/2023

07:00-19:00

43

39

25

25

05/06/2023

19:00-23:00

37

34

26

26

05/06/2023

23:00-07:00

44

32

---

---

06/06/2023

07:00-19:00

43

37

---

---

06/06/2023

19:00-23:00

37

35

30

28

06/06/2023

23:00-07:00

42

30

36

33

07/06/2023

07:00-19:00

41

36

---

---

07/06/2023

19:00-23:00

42

34

---

---

07/06/2023

23:00-07:00

43

33

27

27

08/06/2023

07:00-19:00

58

43

---

---

08/06/2023

19:00-23:00

48

36

---

---

08/06/2023

23:00-07:00

44

34

34

34

09/06/2023

07:00-19:00

49

42

28

28

09/06/2023

19:00-23:00

48

35

36

36

09/06/2023

23:00-07:00

45

34

40

39

10/06/2023

07:00-19:00

45

39

---

---

10/06/2023

19:00-23:00

50

39

20

20

10/06/2023

23:00-07:00

43

31

39

37

11/06/2023

07:00-23:00

51

39

41

34

11/06/2023

23:00-07:00

44

36

43

41

12/06/2023

07:00-19:00

50

47

39

39

12/06/2023

19:00-23:00

49

41

---

---

12/06/2023

23:00-07:00

45

39

44

38

13/06/2023

07:00-19:00

54

44

---

---

13/06/2023

19:00-23:00

51

37

36

29

13/06/2023

23:00-07:00

45

37

43

36

14/06/2023

07:00-19:00

47

40

---

---

14/06/2023

19:00-23:00

47

35

27

27

14/06/2023

23:00-07:00

45

37

42

35

15/06/2023

07:00-19:00

56

45

---

---

15/06/2023

19:00-23:00

41

40

---

---

15/06/2023

23:00-07:00

45

39

38

34

16/06/2023

07:00-19:00

45

37

40

35

16/06/2023

19:00-23:00

45

40

---

---

16/06/2023

23:00-07:00

45

38

42

38

17/06/2023

07:00-19:00

57

43

52

43

17/06/2023

19:00-23:00

40

39

34

34

17/06/2023

23:00-07:00

43

39

39

38

18/06/2023

07:00-23:00

59

41

46

38

18/06/2023

23:00-07:00

45

37

41

35

19/06/2023

07:00-19:00

46

43

---

---

19/06/2023

19:00-23:00

47

39

---

---

19/06/2023

23:00-07:00

41

37

36

29

20/06/2023

07:00-19:00

53

46

48

47

20/06/2023

19:00-23:00

53

47

---

---

20/06/2023

23:00-07:00

43

35

42

38

21/06/2023

07:00-19:00

53

45

43

43

21/06/2023

19:00-23:00

49

43

---

---

21/06/2023

23:00-07:00

45

40

39

38

22/06/2023

07:00-23:00

49

41

36

32

22/06/2023

23:00-07:00

45

40

32

27

23/06/2023

07:00-19:00

51

41

---

---

23/06/2023

19:00-23:00

52

40

41

41

23/06/2023

23:00-07:00

42

36

42

42

24/06/2023

07:00-19:00

53

41

---

---

24/06/2023

19:00-23:00

54

40

---

---

24/06/2023

23:00-07:00

44

34

43

41

25/06/2023

07:00-23:00

56

40

46

38

25/06/2023

23:00-07:00

42

36

36

33

26/06/2023

07:00-19:00

48

43

---

---

26/06/2023

19:00-23:00

47

39

---

---

26/06/2023

23:00-07:00

45

39

38

30

27/06/2023

07:00-19:00

53

40

32

32

27/06/2023

19:00-23:00

49

37

---

---

27/06/2023

23:00-07:00

45

36

42

38

28/06/2023

07:00-19:00

55

44

---

---

28/06/2023

19:00-23:00

45

38

23

23

28/06/2023

23:00-07:00

45

37

40

37

29/06/2023

07:00-19:00

47

38

39

39

29/06/2023

19:00-23:00

44

36

---

---

29/06/2023

23:00-07:00

45

34

39

34

30/06/2023

07:00-19:00

54

39

40

36

30/06/2023

19:00-23:00

45

33

---

---

30/06/2023

23:00-07:00

45

36

37

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).