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

01/10/2021

07:00-23:00

---

---

01/10/2021

23:00-07:00

45

41

02/10/2021

07:00-23:00

37

37

02/10/2021

23:00-07:00

---

---

03/10/2021

07:00-23:00

---

---

03/10/2021

23:00-07:00

49

45

04/10/2021

07:00-23:00

---

---

04/10/2021

23:00-07:00

---

---

05/10/2021

07:00-23:00

---

---

05/10/2021

23:00-07:00

---

---

06/10/2021

07:00-23:00

---

---

06/10/2021

23:00-07:00

39

39

07/10/2021

07:00-23:00

---

---

07/10/2021

23:00-07:00

31

31

08/10/2021

07:00-23:00

30

30

08/10/2021

23:00-07:00

---

---

09/10/2021

07:00-23:00

---

---

09/10/2021

23:00-07:00

---

---

10/10/2021

07:00-23:00

40

39

10/10/2021

23:00-07:00

40

38

11/10/2021

07:00-23:00

---

---

11/10/2021

23:00-07:00

45

44

12/10/2021

07:00-23:00

48

43

12/10/2021

23:00-07:00

40

39

13/10/2021

07:00-23:00

38

38

13/10/2021

23:00-07:00

37

37

14/10/2021

07:00-23:00

---

---

14/10/2021

23:00-07:00

40

40

15/10/2021

07:00-23:00

53

49

15/10/2021

23:00-07:00

45

42

16/10/2021

07:00-23:00

---

---

16/10/2021

23:00-07:00

44

43

17/10/2021

07:00-23:00

50

48

17/10/2021

23:00-07:00

46

43

18/10/2021

07:00-23:00

44

44

18/10/2021

23:00-07:00

41

39

19/10/2021

07:00-23:00

52

52

19/10/2021

23:00-07:00

43

41

20/10/2021

07:00-23:00

---

---

20/10/2021

23:00-07:00

---

---

21/10/2021

07:00-23:00

50

47

21/10/2021

23:00-07:00

43

38

22/10/2021

07:00-23:00

53

49

22/10/2021

23:00-07:00

---

---

23/10/2021

07:00-23:00

48

44

23/10/2021

23:00-07:00

47

46

24/10/2021

07:00-23:00

29

29

24/10/2021

23:00-07:00

39

39

25/10/2021

07:00-23:00

---

---

25/10/2021

23:00-07:00

41

41

26/10/2021

07:00-23:00

49

46

26/10/2021

23:00-07:00

33

33

27/10/2021

07:00-23:00

---

---

27/10/2021

23:00-07:00

41

41

28/10/2021

07:00-23:00

44

41

28/10/2021

23:00-07:00

38

36

29/10/2021

07:00-23:00

---

---

29/10/2021

23:00-07:00

---

---

30/10/2021

07:00-23:00

---

---

30/10/2021

23:00-07:00

34

34

31/10/2021

07:00-23:00

42

42

31/10/2021

23:00-07:00

41

40

 

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

01/10/2021

07:00-23:00

58

50

48

41

01/10/2021

23:00-07:00

45

38

43

37

02/10/2021

07:00-19:00

37

37

46

41

02/10/2021

19:00-23:00

---

---

42

39

02/10/2021

23:00-07:00

---

---

44

42

03/10/2021

07:00-23:00

44

38

50

40

03/10/2021

23:00-07:00

39

35

45

41

04/10/2021

07:00-19:00

---

---

47

41

04/10/2021

19:00-23:00

---

---

41

38

04/10/2021

23:00-07:00

41

36

44

40

05/10/2021

07:00-19:00

---

---

45

41

05/10/2021

19:00-23:00

---

---

44

38

05/10/2021

23:00-07:00

41

38

42

39

06/10/2021

07:00-19:00

---

---

46

38

06/10/2021

19:00-23:00

---

---

40

34

06/10/2021

23:00-07:00

43

39

43

39

07/10/2021

07:00-19:00

---

---

48

42

07/10/2021

19:00-23:00

43

41

44

40

07/10/2021

23:00-07:00

45

36

45

38

08/10/2021

07:00-19:00

30

30

48

42

08/10/2021

19:00-23:00

41

41

36

36

08/10/2021

23:00-07:00

---

---

---

---

09/10/2021

07:00-19:00

---

---

---

---

09/10/2021

19:00-23:00

---

---

---

---

09/10/2021

23:00-07:00

45

41

43

39

10/10/2021

07:00-23:00

43

36

46

39

10/10/2021

23:00-07:00

42

37

42

35

11/10/2021

07:00-19:00

---

---

44

41

11/10/2021

19:00-23:00

38

34

47

42

11/10/2021

23:00-07:00

45

40

41

36

12/10/2021

07:00-19:00

---

---

46

46

12/10/2021

19:00-23:00

51

41

49

37

12/10/2021

23:00-07:00

44

39

44

36

13/10/2021

07:00-19:00

---

---

46

46

13/10/2021

19:00-23:00

42

37

49

39

13/10/2021

23:00-07:00

37

34

45

38

14/10/2021

07:00-23:00

49

34

45

40

14/10/2021

23:00-07:00

41

36

41

36

15/10/2021

07:00-19:00

53

53

48

41

15/10/2021

19:00-23:00

46

43

40

37

15/10/2021

23:00-07:00

45

40

45

37

16/10/2021

07:00-19:00

---

---

48

42

16/10/2021

19:00-23:00

---

---

42

37

16/10/2021

23:00-07:00

44

39

42

37

17/10/2021

07:00-23:00

34

34

43

34

17/10/2021

23:00-07:00

45

40

44

35

18/10/2021

07:00-19:00

44

44

45

41

18/10/2021

19:00-23:00

31

31

45

39

18/10/2021

23:00-07:00

43

39

41

36

19/10/2021

07:00-19:00

52

52

47

40

19/10/2021

19:00-23:00

---

---

41

33

19/10/2021

23:00-07:00

43

38

44

36

20/10/2021

07:00-19:00

---

---

52

43

20/10/2021

19:00-23:00

---

---

48

43

20/10/2021

23:00-07:00

45

39

45

42

21/10/2021

07:00-19:00

50

46

48

43

21/10/2021

19:00-23:00

---

---

44

42

21/10/2021

23:00-07:00

44

37

44

39

22/10/2021

07:00-19:00

53

41

47

43

22/10/2021

19:00-23:00

43

42

50

38

22/10/2021

23:00-07:00

38

36

42

40

23/10/2021

07:00-19:00

48

46

45

42

23/10/2021

19:00-23:00

44

34

47

37

23/10/2021

23:00-07:00

45

42

44

41

24/10/2021

07:00-23:00

50

39

45

38

24/10/2021

23:00-07:00

44

37

43

33

25/10/2021

07:00-19:00

---

---

46

38

25/10/2021

19:00-23:00

---

---

45

39

25/10/2021

23:00-07:00

43

40

41

35

26/10/2021

07:00-19:00

49

39

46

39

26/10/2021

19:00-23:00

28

27

51

38

26/10/2021

23:00-07:00

44

37

45

37

27/10/2021

07:00-19:00

---

---

45

43

27/10/2021

19:00-23:00

---

---

47

40

27/10/2021

23:00-07:00

45

41

44

38

28/10/2021

07:00-19:00

44

38

54

44

28/10/2021

19:00-23:00

---

---

45

42

28/10/2021

23:00-07:00

42

38

45

41

29/10/2021

07:00-19:00

---

---

48

40

29/10/2021

19:00-23:00

---

---

48

42

29/10/2021

23:00-07:00

---

---

45

39

30/10/2021

07:00-19:00

---

---

63

45

30/10/2021

19:00-23:00

---

---

50

38

30/10/2021

23:00-07:00

34

34

44

37

31/10/2021

07:00-23:00

47

42

44

38

31/10/2021

23:00-07:00

43

39

44

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).