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

01/11/2021

07:00-23:00

---

---

01/11/2021

23:00-07:00

35

33

02/11/2021

07:00-23:00

47

47

02/11/2021

23:00-07:00

---

---

03/11/2021

07:00-23:00

---

---

03/11/2021

23:00-07:00

40

40

04/11/2021

07:00-23:00

43

43

04/11/2021

23:00-07:00

37

37

05/11/2021

07:00-23:00

46

46

05/11/2021

23:00-07:00

---

---

06/11/2021

07:00-23:00

51

49

06/11/2021

23:00-07:00

41

38

07/11/2021

07:00-23:00

---

---

07/11/2021

23:00-07:00

44

41

08/11/2021

07:00-23:00

43

41

08/11/2021

23:00-07:00

42

40

09/11/2021

07:00-23:00

---

---

09/11/2021

23:00-07:00

44

43

10/11/2021

07:00-23:00

---

---

10/11/2021

23:00-07:00

29

29

11/11/2021

07:00-23:00

---

---

11/11/2021

23:00-07:00

39

37

12/11/2021

07:00-23:00

---

---

12/11/2021

23:00-07:00

44

43

13/11/2021

07:00-23:00

52

52

13/11/2021

23:00-07:00

44

42

14/11/2021

07:00-23:00

41

39

14/11/2021

23:00-07:00

45

42

15/11/2021

07:00-23:00

---

---

15/11/2021

23:00-07:00

35

32

16/11/2021

07:00-23:00

---

---

16/11/2021

23:00-07:00

---

---

17/11/2021

07:00-23:00

---

---

17/11/2021

23:00-07:00

---

---

18/11/2021

07:00-23:00

33

33

18/11/2021

23:00-07:00

38

38

19/11/2021

07:00-23:00

---

---

19/11/2021

23:00-07:00

35

35

20/11/2021

07:00-23:00

---

---

20/11/2021

23:00-07:00

---

---

21/11/2021

07:00-23:00

37

35

21/11/2021

23:00-07:00

---

---

22/11/2021

07:00-23:00

---

---

22/11/2021

23:00-07:00

39

39

23/11/2021

07:00-23:00

---

---

23/11/2021

23:00-07:00

33

33

24/11/2021

07:00-23:00

---

---

24/11/2021

23:00-07:00

29

29

25/11/2021

07:00-23:00

---

---

25/11/2021

23:00-07:00

42

40

26/11/2021

07:00-23:00

---

---

26/11/2021

23:00-07:00

---

---

27/11/2021

07:00-23:00

---

---

27/11/2021

23:00-07:00

39

39

28/11/2021

07:00-23:00

36

36

28/11/2021

23:00-07:00

44

44

29/11/2021

07:00-23:00

---

---

29/11/2021

23:00-07:00

38

38

30/11/2021

07:00-23:00

34

34

30/11/2021

23:00-07:00

47

46

 

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

01/11/2021

07:00-19:00

---

---

52

41

01/11/2021

19:00-23:00

---

---

48

40

01/11/2021

23:00-07:00

37

33

44

39

02/11/2021

07:00-19:00

47

47

48

43

02/11/2021

19:00-23:00

31

31

46

41

02/11/2021

23:00-07:00

40

37

44

41

03/11/2021

07:00-19:00

---

---

50

45

03/11/2021

19:00-23:00

---

---

48

37

03/11/2021

23:00-07:00

41

39

44

41

04/11/2021

07:00-19:00

43

43

49

42

04/11/2021

19:00-23:00

---

---

44

40

04/11/2021

23:00-07:00

43

39

44

40

05/11/2021

07:00-19:00

46

46

47

41

05/11/2021

19:00-23:00

---

---

42

34

05/11/2021

23:00-07:00

43

42

43

37

06/11/2021

07:00-19:00

51

48

47

40

06/11/2021

19:00-23:00

29

29

51

39

06/11/2021

23:00-07:00

45

39

43

39

07/11/2021

07:00-23:00

56

52

49

39

07/11/2021

23:00-07:00

44

41

45

36

08/11/2021

07:00-19:00

43

40

46

41

08/11/2021

19:00-23:00

38

32

41

36

08/11/2021

23:00-07:00

44

39

42

36

09/11/2021

07:00-19:00

---

---

45

36

09/11/2021

19:00-23:00

---

---

42

39

09/11/2021

23:00-07:00

44

39

44

39

10/11/2021

07:00-19:00

---

---

56

43

10/11/2021

19:00-23:00

---

---

42

39

10/11/2021

23:00-07:00

37

31

44

40

11/11/2021

07:00-19:00

---

---

53

43

11/11/2021

19:00-23:00

---

---

43

41

11/11/2021

23:00-07:00

41

36

44

40

12/11/2021

07:00-19:00

---

---

52

42

12/11/2021

19:00-23:00

---

---

44

40

12/11/2021

23:00-07:00

45

41

44

40

13/11/2021

07:00-19:00

52

52

57

42

13/11/2021

19:00-23:00

---

---

50

35

13/11/2021

23:00-07:00

44

37

44

38

14/11/2021

07:00-23:00

49

40

47

39

14/11/2021

23:00-07:00

45

39

43

37

15/11/2021

07:00-19:00

---

---

46

38

15/11/2021

19:00-23:00

33

33

42

38

15/11/2021

23:00-07:00

43

33

43

36

16/11/2021

07:00-19:00

---

---

46

38

16/11/2021

19:00-23:00

---

---

43

39

16/11/2021

23:00-07:00

39

34

44

38

17/11/2021

07:00-19:00

---

---

49

37

17/11/2021

19:00-23:00

---

---

43

39

17/11/2021

23:00-07:00

44

39

44

39

18/11/2021

07:00-19:00

33

33

53

39

18/11/2021

19:00-23:00

---

---

43

40

18/11/2021

23:00-07:00

41

35

42

35

19/11/2021

07:00-19:00

---

---

50

39

19/11/2021

19:00-23:00

---

---

42

40

19/11/2021

23:00-07:00

44

39

42

38

20/11/2021

07:00-19:00

---

---

51

42

20/11/2021

19:00-23:00

---

---

46

38

20/11/2021

23:00-07:00

37

31

44

38

21/11/2021

07:00-23:00

46

36

47

37

21/11/2021

23:00-07:00

45

39

45

37

22/11/2021

07:00-19:00

---

---

55

42

22/11/2021

19:00-23:00

---

---

41

39

22/11/2021

23:00-07:00

43

40

41

37

23/11/2021

07:00-19:00

---

---

63

48

23/11/2021

19:00-23:00

---

---

51

39

23/11/2021

23:00-07:00

43

38

43

34

24/11/2021

07:00-19:00

---

---

50

38

24/11/2021

19:00-23:00

---

---

40

37

24/11/2021

23:00-07:00

44

34

41

34

25/11/2021

07:00-19:00

---

---

51

38

25/11/2021

19:00-23:00

26

26

42

37

25/11/2021

23:00-07:00

42

37

43

37

26/11/2021

07:00-19:00

---

---

41

31

26/11/2021

19:00-23:00

---

---

43

40

26/11/2021

23:00-07:00

44

40

42

37

27/11/2021

07:00-19:00

---

---

50

38

27/11/2021

19:00-23:00

---

---

41

36

27/11/2021

23:00-07:00

40

36

42

35

28/11/2021

07:00-23:00

45

36

48

37

28/11/2021

23:00-07:00

44

38

43

37

29/11/2021

07:00-19:00

---

---

41

36

29/11/2021

19:00-23:00

---

---

41

37

29/11/2021

23:00-07:00

45

40

44

36

30/11/2021

07:00-19:00

---

---

51

34

30/11/2021

19:00-23:00

43

35

43

37

30/11/2021

23:00-07:00

45

40

44

39

 

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).