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

01/11/2020

07:00-23:00

38

36

01/11/2020

23:00-07:00

44

44

02/11/2020

07:00-23:00

---

---

02/11/2020

23:00-07:00

46

43

03/11/2020

07:00-23:00

58

56

03/11/2020

23:00-07:00

43

43

04/11/2020

07:00-23:00

51

51

04/11/2020

23:00-07:00

45

43

05/11/2020

07:00-23:00

47

47

05/11/2020

23:00-07:00

44

41

06/11/2020

07:00-23:00

41

38

06/11/2020

23:00-07:00

46

46

07/11/2020

07:00-23:00

---

---

07/11/2020

23:00-07:00

---

---

08/11/2020

07:00-23:00

56

53

08/11/2020

23:00-07:00

44

41

09/11/2020

07:00-23:00

---

---

09/11/2020

23:00-07:00

50

48

10/11/2020

07:00-23:00

42

42

10/11/2020

23:00-07:00

47

47

11/11/2020

07:00-23:00

36

36

11/11/2020

23:00-07:00

46

46

12/11/2020

07:00-23:00

---

---

12/11/2020

23:00-07:00

49

46

13/11/2020

07:00-23:00

50

47

13/11/2020

23:00-07:00

---

---

14/11/2020

07:00-23:00

50

48

14/11/2020

23:00-07:00

---

---

15/11/2020

07:00-23:00

46

44

15/11/2020

23:00-07:00

46

44

16/11/2020

07:00-23:00

---

---

16/11/2020

23:00-07:00

46

44

17/11/2020

07:00-23:00

---

---

17/11/2020

23:00-07:00

44

43

18/11/2020

07:00-23:00

36

35

18/11/2020

23:00-07:00

---

---

19/11/2020

07:00-23:00

43

43

19/11/2020

23:00-07:00

37

36

20/11/2020

07:00-23:00

44

41

20/11/2020

23:00-07:00

---

---

21/11/2020

07:00-23:00

---

---

21/11/2020

23:00-07:00

41

39

22/11/2020

07:00-23:00

57

57

22/11/2020

23:00-07:00

---

---

23/11/2020

07:00-23:00

55

55

23/11/2020

23:00-07:00

50

45

24/11/2020

07:00-23:00

---

---

24/11/2020

23:00-07:00

43

42

25/11/2020

07:00-23:00

49

47

25/11/2020

23:00-07:00

47

46

26/11/2020

07:00-23:00

43

43

26/11/2020

23:00-07:00

50

47

27/11/2020

07:00-23:00

42

42

27/11/2020

23:00-07:00

50

45

28/11/2020

07:00-23:00

46

46

28/11/2020

23:00-07:00

36

36

29/11/2020

07:00-23:00

50

44

29/11/2020

23:00-07:00

50

47

30/11/2020

07:00-23:00

---

---

30/11/2020

23:00-07:00

48

44

 

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

01/11/2020

07:00-23:00

49

40

50

40

01/11/2020

23:00-07:00

44

40

45

40

02/11/2020

07:00-19:00

---

---

48

43

02/11/2020

19:00-23:00

---

---

49

40

02/11/2020

23:00-07:00

45

40

44

39

03/11/2020

07:00-19:00

58

52

47

42

03/11/2020

19:00-23:00

---

---

49

40

03/11/2020

23:00-07:00

45

40

45

40

04/11/2020

07:00-19:00

51

51

46

43

04/11/2020

19:00-23:00

---

---

45

39

04/11/2020

23:00-07:00

45

41

44

39

05/11/2020

07:00-19:00

47

47

49

40

05/11/2020

19:00-23:00

---

---

48

35

05/11/2020

23:00-07:00

44

40

43

39

06/11/2020

07:00-19:00

41

34

40

35

06/11/2020

19:00-23:00

---

---

50

37

06/11/2020

23:00-07:00

45

41

45

36

07/11/2020

07:00-19:00

---

---

40

36

07/11/2020

19:00-23:00

---

---

46

38

07/11/2020

23:00-07:00

30

30

44

37

08/11/2020

07:00-23:00

56

44

44

37

08/11/2020

23:00-07:00

45

40

45

37

09/11/2020

07:00-19:00

---

---

42

37

09/11/2020

19:00-23:00

---

---

44

37

09/11/2020

23:00-07:00

45

40

44

37

10/11/2020

07:00-19:00

42

42

41

38

10/11/2020

19:00-23:00

---

---

50

37

10/11/2020

23:00-07:00

38

32

44

38

11/11/2020

07:00-19:00

36

36

45

40

11/11/2020

19:00-23:00

---

---

43

38

11/11/2020

23:00-07:00

45

42

42

39

12/11/2020

07:00-19:00

---

---

47

42

12/11/2020

19:00-23:00

---

---

44

39

12/11/2020

23:00-07:00

45

41

45

39

13/11/2020

07:00-19:00

50

42

42

38

13/11/2020

19:00-23:00

---

---

44

37

13/11/2020

23:00-07:00

41

34

45

39

14/11/2020

07:00-19:00

50

48

44

39

14/11/2020

19:00-23:00

---

---

41

34

14/11/2020

23:00-07:00

---

---

44

40

15/11/2020

07:00-23:00

60

45

48

39

15/11/2020

23:00-07:00

45

38

45

41

16/11/2020

07:00-19:00

---

---

48

43

16/11/2020

19:00-23:00

---

---

45

40

16/11/2020

23:00-07:00

43

36

45

40

17/11/2020

07:00-19:00

---

---

44

38

17/11/2020

19:00-23:00

---

---

45

39

17/11/2020

23:00-07:00

45

40

44

37

18/11/2020

07:00-19:00

36

35

43

35

18/11/2020

19:00-23:00

---

---

48

39

18/11/2020

23:00-07:00

38

38

41

35

19/11/2020

07:00-19:00

43

43

44

37

19/11/2020

19:00-23:00

---

---

40

38

19/11/2020

23:00-07:00

41

36

41

36

20/11/2020

07:00-19:00

---

---

42

37

20/11/2020

19:00-23:00

46

39

39

35

20/11/2020

23:00-07:00

---

---

45

36

21/11/2020

07:00-19:00

---

---

43

39

21/11/2020

19:00-23:00

---

---

45

42

21/11/2020

23:00-07:00

43

41

45

39

22/11/2020

07:00-23:00

57

47

51

40

22/11/2020

23:00-07:00

42

36

45

40

23/11/2020

07:00-19:00

55

55

46

42

23/11/2020

19:00-23:00

---

---

50

40

23/11/2020

23:00-07:00

45

41

43

40

24/11/2020

07:00-19:00

---

---

45

41

24/11/2020

19:00-23:00

---

---

42

38

24/11/2020

23:00-07:00

45

41

43

38

25/11/2020

07:00-19:00

49

46

41

39

25/11/2020

19:00-23:00

---

---

43

39

25/11/2020

23:00-07:00

45

39

44

39

26/11/2020

07:00-19:00

43

43

44

39

26/11/2020

19:00-23:00

---

---

50

40

26/11/2020

23:00-07:00

41

32

42

36

27/11/2020

07:00-19:00

42

42

42

32

27/11/2020

19:00-23:00

---

---

36

32

27/11/2020

23:00-07:00

45

40

41

35

28/11/2020

07:00-19:00

46

46

43

36

28/11/2020

19:00-23:00

---

---

36

34

28/11/2020

23:00-07:00

37

32

41

36

29/11/2020

07:00-23:00

52

41

42

37

29/11/2020

23:00-07:00

45

41

43

39

30/11/2020

07:00-19:00

---

---

42

38

30/11/2020

19:00-23:00

---

---

39

33

30/11/2020

23:00-07:00

45

36

41

34

 

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).