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

1/9/2023

07:00-23:00

---

---

1/9/2023

23:00-07:00

---

---

2/9/2023

07:00-23:00

---

---

2/9/2023

23:00-07:00

---

---

3/9/2023

07:00-23:00

---

---

3/9/2023

23:00-07:00

---

---

4/9/2023

07:00-23:00

---

---

4/9/2023

23:00-07:00

36

36

5/9/2023

07:00-23:00

---

---

5/9/2023

23:00-07:00

---

---

6/9/2023

07:00-23:00

51

49

6/9/2023

23:00-07:00

---

---

7/9/2023

07:00-23:00

45

44

7/9/2023

23:00-07:00

52

47

8/9/2023

07:00-23:00

---

---

8/9/2023

23:00-07:00

45

42

9/9/2023

07:00-23:00

48

45

9/9/2023

23:00-07:00

38

37

10/9/2023

07:00-23:00

28

25

10/9/2023

23:00-07:00

52

50

11/9/2023

07:00-23:00

---

---

11/9/2023

23:00-07:00

49

47

12/9/2023

07:00-23:00

48

45

12/9/2023

23:00-07:00

39

37

13/9/2023

07:00-23:00

---

---

13/9/2023

23:00-07:00

43

41

14/9/2023

07:00-23:00

23

23

14/9/2023

23:00-07:00

48

47

15/9/2023

07:00-23:00

---

---

15/9/2023

23:00-07:00

48

46

16/9/2023

07:00-23:00

53

53

16/9/2023

23:00-07:00

---

---

17/9/2023

07:00-23:00

41

40

17/9/2023

23:00-07:00

---

---

18/9/2023

07:00-23:00

28

28

18/9/2023

23:00-07:00

53

50

19/9/2023

07:00-23:00

---

---

19/9/2023

23:00-07:00

44

44

20/9/2023

07:00-23:00

42

42

20/9/2023

23:00-07:00

31

31

21/9/2023

07:00-23:00

40

40

21/9/2023

23:00-07:00

39

36

22/9/2023

07:00-23:00

54

54

22/9/2023

23:00-07:00

---

---

23/9/2023

07:00-23:00

---

---

23/9/2023

23:00-07:00

32

32

24/9/2023

07:00-23:00

64

58

24/9/2023

23:00-07:00

---

---

25/9/2023

07:00-23:00

43

38

25/9/2023

23:00-07:00

---

---

26/9/2023

07:00-23:00

---

---

26/9/2023

23:00-07:00

43

43

27/9/2023

07:00-23:00

57

54

27/9/2023

23:00-07:00

46

43

28/9/2023

07:00-23:00

---

---

28/9/2023

23:00-07:00

33

33

29/9/2023

07:00-23:00

---

---

29/9/2023

23:00-07:00

34

34

30/9/2023

07:00-23:00

39

39

30/9/2023

23:00-07:00

45

41

 

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

01/09/2023

07:00-19:00

---

---

39

33

01/09/2023

19:00-23:00

---

---

57

57

01/09/2023

23:00-07:00

---

---

---

---

02/09/2023

07:00-19:00

---

---

44

42

02/09/2023

19:00-23:00

38

35

47

34

02/09/2023

23:00-07:00

45

36

45

39

03/09/2023

07:00-23:00

37

35

45

37

03/09/2023

23:00-07:00

36

35

42

36

04/09/2023

07:00-19:00

---

---

41

37

04/09/2023

19:00-23:00

---

---

45

37

04/09/2023

23:00-07:00

43

39

45

40

05/09/2023

07:00-19:00

---

---

49

43

05/09/2023

19:00-23:00

---

---

48

40

05/09/2023

23:00-07:00

38

38

45

42

06/09/2023

07:00-19:00

51

45

50

42

06/09/2023

19:00-23:00

---

---

47

42

06/09/2023

23:00-07:00

---

---

45

38

07/09/2023

07:00-19:00

---

---

46

41

07/09/2023

19:00-23:00

54

44

49

41

07/09/2023

23:00-07:00

45

39

45

38

08/09/2023

07:00-19:00

---

---

47

40

08/09/2023

19:00-23:00

46

46

46

42

08/09/2023

23:00-07:00

45

33

45

41

09/09/2023

07:00-19:00

48

45

46

42

09/09/2023

19:00-23:00

49

44

44

40

09/09/2023

23:00-07:00

43

36

45

39

10/09/2023

07:00-23:00

43

32

44

36

10/09/2023

23:00-07:00

44

44

44

35

11/09/2023

07:00-19:00

---

---

52

42

11/09/2023

19:00-23:00

44

40

51

39

11/09/2023

23:00-07:00

45

41

44

41

12/09/2023

07:00-19:00

---

---

53

45

12/09/2023

19:00-23:00

53

43

42

39

12/09/2023

23:00-07:00

40

36

45

39

13/09/2023

07:00-19:00

---

---

51

44

13/09/2023

19:00-23:00

27

23

46

40

13/09/2023

23:00-07:00

45

39

45

38

14/09/2023

07:00-19:00

---

---

43

37

14/09/2023

19:00-23:00

23

23

44

38

14/09/2023

23:00-07:00

36

28

43

39

15/09/2023

07:00-19:00

---

---

46

39

15/09/2023

19:00-23:00

31

23

42

37

15/09/2023

23:00-07:00

45

35

44

33

16/09/2023

07:00-19:00

53

53

47

41

16/09/2023

19:00-23:00

43

34

47

38

16/09/2023

23:00-07:00

37

36

45

35

17/09/2023

07:00-23:00

41

38

46

41

17/09/2023

23:00-07:00

30

30

45

43

18/09/2023

07:00-19:00

---

---

49

44

18/09/2023

19:00-23:00

28

27

50

42

18/09/2023

23:00-07:00

43

37

45

39

19/09/2023

07:00-19:00

---

---

48

40

19/09/2023

19:00-23:00

36

36

46

37

19/09/2023

23:00-07:00

44

34

45

38

20/09/2023

07:00-19:00

42

42

47

41

20/09/2023

19:00-23:00

40

40

44

36

20/09/2023

23:00-07:00

42

33

40

33

21/09/2023

07:00-19:00

40

40

46

40

21/09/2023

19:00-23:00

---

---

44

37

21/09/2023

23:00-07:00

44

36

45

33

22/09/2023

07:00-19:00

54

54

44

40

22/09/2023

19:00-23:00

37

37

43

36

22/09/2023

23:00-07:00

42

36

44

40

23/09/2023

07:00-19:00

---

---

44

38

23/09/2023

19:00-23:00

---

---

44

41

23/09/2023

23:00-07:00

32

29

44

37

24/09/2023

07:00-23:00

43

32

43

33

24/09/2023

23:00-07:00

42

34

41

33

25/09/2023

07:00-19:00

43

36

49

36

25/09/2023

19:00-23:00

---

---

46

37

25/09/2023

23:00-07:00

---

---

41

33

26/09/2023

07:00-19:00

---

---

42

36

26/09/2023

19:00-23:00

40

40

48

42

26/09/2023

23:00-07:00

44

36

41

35

27/09/2023

07:00-19:00

57

47

42

38

27/09/2023

19:00-23:00

37

37

45

39

27/09/2023

23:00-07:00

27

26

41

36

28/09/2023

07:00-19:00

---

---

45

41

28/09/2023

19:00-23:00

36

36

50

43

28/09/2023

23:00-07:00

43

36

45

40

29/09/2023

07:00-19:00

---

---

46

42

29/09/2023

19:00-23:00

35

33

50

37

29/09/2023

23:00-07:00

34

28

42

36

30/09/2023

07:00-23:00

40

37

46

34

30/09/2023

23:00-07:00

45

36

45

38

 

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).