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

01/12/2020

07:00-23:00

29

27

01/12/2020

23:00-07:00

45

44

02/12/2020

07:00-23:00

---

---

02/12/2020

23:00-07:00

47

43

03/12/2020

07:00-23:00

44

42

03/12/2020

23:00-07:00

48

43

04/12/2020

07:00-23:00

---

---

04/12/2020

23:00-07:00

45

40

05/12/2020

07:00-23:00

56

53

05/12/2020

23:00-07:00

---

---

06/12/2020

07:00-23:00

44

41

06/12/2020

23:00-07:00

42

42

07/12/2020

07:00-23:00

---

---

07/12/2020

23:00-07:00

46

45

08/12/2020

07:00-23:00

---

---

08/12/2020

23:00-07:00

44

44

09/12/2020

07:00-23:00

43

43

09/12/2020

23:00-07:00

43

42

10/12/2020

07:00-23:00

---

---

10/12/2020

23:00-07:00

39

39

11/12/2020

07:00-23:00

---

---

11/12/2020

23:00-07:00

41

40

12/12/2020

07:00-23:00

42

42

12/12/2020

23:00-07:00

28

28

13/12/2020

07:00-23:00

53

48

13/12/2020

23:00-07:00

43

41

14/12/2020

07:00-23:00

50

49

14/12/2020

23:00-07:00

45

45

15/12/2020

07:00-23:00

42

39

15/12/2020

23:00-07:00

44

41

16/12/2020

07:00-23:00

43

41

16/12/2020

23:00-07:00

46

42

17/12/2020

07:00-23:00

45

43

17/12/2020

23:00-07:00

49

46

18/12/2020

07:00-23:00

51

48

18/12/2020

23:00-07:00

40

37

19/12/2020

07:00-23:00

---

---

19/12/2020

23:00-07:00

31

31

20/12/2020

07:00-23:00

40

38

20/12/2020

23:00-07:00

41

39

21/12/2020

07:00-23:00

53

53

21/12/2020

23:00-07:00

46

46

22/12/2020

07:00-23:00

39

38

22/12/2020

23:00-07:00

44

44

23/12/2020

07:00-23:00

49

45

23/12/2020

23:00-07:00

44

43

24/12/2020

07:00-23:00

41

40

24/12/2020

23:00-07:00

36

34

25/12/2020

07:00-23:00

52

52

25/12/2020

23:00-07:00

40

36

26/12/2020

07:00-23:00

40

38

26/12/2020

23:00-07:00

46

43

27/12/2020

07:00-23:00

---

---

27/12/2020

23:00-07:00

35

35

28/12/2020

07:00-23:00

---

---

28/12/2020

23:00-07:00

47

45

29/12/2020

07:00-23:00

---

---

29/12/2020

23:00-07:00

47

43

30/12/2020

07:00-23:00

47

42

30/12/2020

23:00-07:00

44

41

31/12/2020

07:00-23:00

---

---

31/12/2020

23:00-07:00

46

43

 

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

01/12/2020

07:00-19:00

---

---

37

30

01/12/2020

19:00-23:00

36

28

45

31

01/12/2020

23:00-07:00

45

42

39

33

02/12/2020

07:00-19:00

---

---

---

---

02/12/2020

19:00-23:00

---

---

35

35

02/12/2020

23:00-07:00

45

33

39

31

03/12/2020

07:00-19:00

44

40

31

25

03/12/2020

19:00-23:00

20

20

---

---

03/12/2020

23:00-07:00

43

36

40

32

04/12/2020

07:00-19:00

---

---

---

---

04/12/2020

19:00-23:00

29

29

---

---

04/12/2020

23:00-07:00

45

36

35

29

05/12/2020

07:00-19:00

56

54

34

34

05/12/2020

19:00-23:00

40

33

48

37

05/12/2020

23:00-07:00

34

29

40

31

06/12/2020

07:00-23:00

46

37

49

43

06/12/2020

23:00-07:00

45

39

39

32

07/12/2020

07:00-19:00

---

---

---

---

07/12/2020

19:00-23:00

---

---

35

35

07/12/2020

23:00-07:00

44

40

40

33

08/12/2020

07:00-19:00

---

---

---

---

08/12/2020

19:00-23:00

---

---

---

---

08/12/2020

23:00-07:00

45

44

28

28

09/12/2020

07:00-19:00

43

43

---

---

09/12/2020

19:00-23:00

---

---

35

35

09/12/2020

23:00-07:00

44

41

37

29

10/12/2020

07:00-19:00

---

---

---

---

10/12/2020

19:00-23:00

---

---

43

43

10/12/2020

23:00-07:00

39

36

35

30

11/12/2020

07:00-19:00

---

---

---

---

11/12/2020

19:00-23:00

---

---

36

32

11/12/2020

23:00-07:00

45

40

40

31

12/12/2020

07:00-19:00

42

42

---

---

12/12/2020

19:00-23:00

---

---

18

18

12/12/2020

23:00-07:00

41

34

38

32

13/12/2020

07:00-23:00

---

---

33

30

13/12/2020

23:00-07:00

44

41

38

31

14/12/2020

07:00-19:00

50

49

---

---

14/12/2020

19:00-23:00

---

---

---

---

14/12/2020

23:00-07:00

45

38

37

37

15/12/2020

07:00-19:00

42

36

---

---

15/12/2020

19:00-23:00

---

---

---

---

15/12/2020

23:00-07:00

45

41

37

32

16/12/2020

07:00-19:00

43

41

---

---

16/12/2020

19:00-23:00

---

---

---

---

16/12/2020

23:00-07:00

45

40

30

30

17/12/2020

07:00-19:00

45

42

---

---

17/12/2020

19:00-23:00

---

---

38

38

17/12/2020

23:00-07:00

44

38

38

32

18/12/2020

07:00-19:00

45

44

30

30

18/12/2020

19:00-23:00

51

51

44

33

18/12/2020

23:00-07:00

41

34

43

35

19/12/2020

07:00-19:00

---

---

36

36

19/12/2020

19:00-23:00

---

---

38

34

19/12/2020

23:00-07:00

38

32

42

34

20/12/2020

07:00-23:00

47

40

47

34

20/12/2020

23:00-07:00

44

39

38

32

21/12/2020

07:00-19:00

53

53

43

43

21/12/2020

19:00-23:00

---

---

---

---

21/12/2020

23:00-07:00

45

37

38

32

22/12/2020

07:00-19:00

39

38

---

---

22/12/2020

19:00-23:00

---

---

27

27

22/12/2020

23:00-07:00

45

41

42

32

23/12/2020

07:00-19:00

49

40

---

---

23/12/2020

19:00-23:00

---

---

---

---

23/12/2020

23:00-07:00

44

38

37

31

24/12/2020

07:00-19:00

41

40

36

36

24/12/2020

19:00-23:00

---

---

43

33

24/12/2020

23:00-07:00

40

36

39

32

25/12/2020

07:00-23:00

52

43

42

36

25/12/2020

23:00-07:00

42

36

41

33

26/12/2020

07:00-23:00

44

36

44

34

26/12/2020

23:00-07:00

44

37

41

31

27/12/2020

07:00-23:00

45

35

38

32

27/12/2020

23:00-07:00

40

35

40

34

28/12/2020

07:00-19:00

---

---

47

41

28/12/2020

19:00-23:00

38

32

41

36

28/12/2020

23:00-07:00

45

40

36

33

29/12/2020

07:00-19:00

---

---

35

35

29/12/2020

19:00-23:00

---

---

---

---

29/12/2020

23:00-07:00

45

35

43

35

30/12/2020

07:00-19:00

47

41

43

38

30/12/2020

19:00-23:00

36

34

50

35

30/12/2020

23:00-07:00

45

36

41

34

31/12/2020

07:00-19:00

---

---

---

---

31/12/2020

19:00-23:00

---

---

---

---

31/12/2020

23:00-07:00

45

40

---

---

 

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).