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

01/11/2022

07:00-23:00

39

38

01/11/2022

23:00-07:00

41

40

02/11/2022

07:00-23:00

42

39

02/11/2022

23:00-07:00

34

34

03/11/2022

07:00-23:00

---

---

03/11/2022

23:00-07:00

---

---

04/11/2022

07:00-23:00

40

40

04/11/2022

23:00-07:00

41

39

05/11/2022

07:00-23:00

---

---

05/11/2022

23:00-07:00

---

---

06/11/2022

07:00-23:00

21

21

06/11/2022

23:00-07:00

47

47

07/11/2022

07:00-23:00

---

---

07/11/2022

23:00-07:00

38

38

08/11/2022

07:00-23:00

---

---

08/11/2022

23:00-07:00

36

36

09/11/2022

07:00-23:00

---

---

09/11/2022

23:00-07:00

37

37

10/11/2022

07:00-23:00

36

36

10/11/2022

23:00-07:00

46

43

11/11/2022

07:00-23:00

40

40

11/11/2022

23:00-07:00

---

---

12/11/2022

07:00-23:00

34

34

12/11/2022

23:00-07:00

34

34

13/11/2022

07:00-23:00

48

48

13/11/2022

23:00-07:00

38

37

14/11/2022

07:00-23:00

---

---

14/11/2022

23:00-07:00

45

43

15/11/2022

07:00-23:00

---

---

15/11/2022

23:00-07:00

32

30

16/11/2022

07:00-23:00

---

---

16/11/2022

23:00-07:00

38

36

17/11/2022

07:00-23:00

---

---

17/11/2022

23:00-07:00

46

42

18/11/2022

07:00-23:00

46

46

18/11/2022

23:00-07:00

40

37

19/11/2022

07:00-23:00

---

---

19/11/2022

23:00-07:00

---

---

20/11/2022

07:00-23:00

42

38

20/11/2022

23:00-07:00

48

45

21/11/2022

07:00-23:00

---

---

21/11/2022

23:00-07:00

40

37

22/11/2022

07:00-23:00

---

---

22/11/2022

23:00-07:00

---

---

23/11/2022

07:00-23:00

29

29

23/11/2022

23:00-07:00

44

40

24/11/2022

07:00-23:00

---

---

24/11/2022

23:00-07:00

40

40

25/11/2022

07:00-23:00

---

---

25/11/2022

23:00-07:00

31

31

26/11/2022

07:00-23:00

58

55

26/11/2022

23:00-07:00

35

35

27/11/2022

07:00-23:00

38

35

27/11/2022

23:00-07:00

43

41

28/11/2022

07:00-23:00

---

---

28/11/2022

23:00-07:00

---

---

29/11/2022

07:00-23:00

---

---

29/11/2022

23:00-07:00

35

35

30/11/2022

07:00-23:00

---

---

30/11/2022

23:00-07:00

42

42

 

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

01/11/2022

07:00-19:00

---

---

60

45

01/11/2022

19:00-23:00

41

36

43

36

01/11/2022

23:00-07:00

45

33

39

30

02/11/2022

07:00-19:00

---

---

38

38

02/11/2022

19:00-23:00

47

38

43

36

02/11/2022

23:00-07:00

43

38

38

29

03/11/2022

07:00-19:00

---

---

45

37

03/11/2022

19:00-23:00

---

---

42

39

03/11/2022

23:00-07:00

41

39

41

36

04/11/2022

07:00-19:00

---

---

43

39

04/11/2022

19:00-23:00

42

36

42

36

04/11/2022

23:00-07:00

42

38

44

33

05/11/2022

07:00-19:00

---

---

43

38

05/11/2022

19:00-23:00

---

---

39

36

05/11/2022

23:00-07:00

---

---

41

36

06/11/2022

07:00-23:00

41

31

49

35

06/11/2022

23:00-07:00

40

40

41

33

07/11/2022

07:00-19:00

---

---

43

37

07/11/2022

19:00-23:00

---

---

38

35

07/11/2022

23:00-07:00

44

39

43

38

08/11/2022

07:00-19:00

---

---

44

35

08/11/2022

19:00-23:00

---

---

49

39

08/11/2022

23:00-07:00

44

37

45

36

09/11/2022

07:00-19:00

---

---

56

42

09/11/2022

19:00-23:00

---

---

41

37

09/11/2022

23:00-07:00

40

39

43

39

10/11/2022

07:00-19:00

36

36

57

45

10/11/2022

19:00-23:00

---

---

49

40

10/11/2022

23:00-07:00

45

42

42

36

11/11/2022

07:00-19:00

40

40

45

41

11/11/2022

19:00-23:00

---

---

52

42

11/11/2022

23:00-07:00

38

32

44

39

12/11/2022

07:00-19:00

34

34

42

34

12/11/2022

19:00-23:00

31

31

45

43

12/11/2022

23:00-07:00

42

39

45

40

13/11/2022

07:00-23:00

---

---

47

40

13/11/2022

23:00-07:00

42

40

44

40

14/11/2022

07:00-19:00

---

---

62

44

14/11/2022

19:00-23:00

---

---

48

41

14/11/2022

23:00-07:00

45

40

44

40

15/11/2022

07:00-19:00

---

---

52

41

15/11/2022

19:00-23:00

---

---

45

40

15/11/2022

23:00-07:00

40

35

44

40

16/11/2022

07:00-19:00

---

---

51

39

16/11/2022

19:00-23:00

---

---

42

38

16/11/2022

23:00-07:00

39

31

45

38

17/11/2022

07:00-19:00

---

---

53

38

17/11/2022

19:00-23:00

---

---

47

36

17/11/2022

23:00-07:00

42

38

44

38

18/11/2022

07:00-19:00

46

46

46

39

18/11/2022

19:00-23:00

---

---

46

38

18/11/2022

23:00-07:00

44

36

45

37

19/11/2022

07:00-19:00

---

---

46

41

19/11/2022

19:00-23:00

---

---

47

43

19/11/2022

23:00-07:00

---

---

45

40

20/11/2022

07:00-23:00

42

36

49

40

20/11/2022

23:00-07:00

45

40

45

39

21/11/2022

07:00-19:00

---

---

50

43

21/11/2022

19:00-23:00

---

---

---

---

21/11/2022

23:00-07:00

43

36

45

35

22/11/2022

07:00-19:00

---

---

46

42

22/11/2022

19:00-23:00

40

40

51

36

22/11/2022

23:00-07:00

41

39

45

35

23/11/2022

07:00-19:00

---

---

46

40

23/11/2022

19:00-23:00

38

31

42

35

23/11/2022

23:00-07:00

44

36

45

37

24/11/2022

07:00-19:00

---

---

49

41

24/11/2022

19:00-23:00

---

---

43

38

24/11/2022

23:00-07:00

40

38

38

34

25/11/2022

07:00-19:00

---

---

46

40

25/11/2022

19:00-23:00

40

39

37

33

25/11/2022

23:00-07:00

41

37

43

39

26/11/2022

07:00-19:00

58

52

44

41

26/11/2022

19:00-23:00

---

---

42

38

26/11/2022

23:00-07:00

36

31

44

37

27/11/2022

07:00-23:00

42

36

45

36

27/11/2022

23:00-07:00

43

39

35

29

28/11/2022

07:00-19:00

---

---

41

37

28/11/2022

19:00-23:00

27

27

44

38

28/11/2022

23:00-07:00

---

---

44

39

29/11/2022

07:00-19:00

---

---

56

45

29/11/2022

19:00-23:00

31

31

41

38

29/11/2022

23:00-07:00

44

36

45

36

30/11/2022

07:00-19:00

---

---

59

47

30/11/2022

19:00-23:00

---

---

38

32

30/11/2022

23:00-07:00

45

37

35

28

 

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).