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

01/03/2021

07:00-23:00

---

---

01/03/2021

23:00-07:00

36

36

02/03/2021

07:00-23:00

55

55

02/03/2021

23:00-07:00

35

34

03/03/2021

07:00-23:00

---

---

03/03/2021

23:00-07:00

37

33

04/03/2021

07:00-23:00

---

---

04/03/2021

23:00-07:00

38

38

05/03/2021

07:00-23:00

---

---

05/03/2021

23:00-07:00

---

---

06/03/2021

07:00-23:00

---

---

06/03/2021

23:00-07:00

---

---

07/03/2021

07:00-23:00

43

41

07/03/2021

23:00-07:00

41

41

08/03/2021

07:00-23:00

---

---

08/03/2021

23:00-07:00

34

34

09/03/2021

07:00-23:00

---

---

09/03/2021

23:00-07:00

38

38

10/03/2021

07:00-23:00

38

36

10/03/2021

23:00-07:00

42

38

11/03/2021

07:00-23:00

---

---

11/03/2021

23:00-07:00

---

---

12/03/2021

07:00-23:00

---

---

12/03/2021

23:00-07:00

30

30

13/03/2021

07:00-23:00

---

---

13/03/2021

23:00-07:00

---

---

14/03/2021

07:00-23:00

52

46

14/03/2021

23:00-07:00

35

35

15/03/2021

07:00-23:00

---

---

15/03/2021

23:00-07:00

42

42

16/03/2021

07:00-23:00

---

---

16/03/2021

23:00-07:00

41

41

17/03/2021

07:00-23:00

50

50

17/03/2021

23:00-07:00

28

28

18/03/2021

07:00-23:00

---

---

18/03/2021

23:00-07:00

---

---

19/03/2021

07:00-23:00

---

---

19/03/2021

23:00-07:00

---

---

20/03/2021

07:00-23:00

38

37

20/03/2021

23:00-07:00

43

39

21/03/2021

07:00-23:00

51

48

21/03/2021

23:00-07:00

47

45

22/03/2021

07:00-23:00

47

47

22/03/2021

23:00-07:00

34

31

23/03/2021

07:00-23:00

49

46

23/03/2021

23:00-07:00

42

42

24/03/2021

07:00-23:00

---

---

24/03/2021

23:00-07:00

---

---

25/03/2021

07:00-23:00

---

---

25/03/2021

23:00-07:00

44

42

26/03/2021

07:00-23:00

---

---

26/03/2021

23:00-07:00

---

---

27/03/2021

07:00-23:00

---

---

27/03/2021

23:00-07:00

---

---

28/03/2021

07:00-23:00

41

38

28/03/2021

23:00-07:00

37

37

29/03/2021

07:00-23:00

16

16

29/03/2021

23:00-07:00

---

---

30/03/2021

07:00-23:00

---

---

30/03/2021

23:00-07:00

---

---

31/03/2021

07:00-23:00

---

---

31/03/2021

23:00-07:00

---

---

 

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

01/03/2021

07:00-19:00

---

---

---

---

01/03/2021

19:00-23:00

---

---

35

35

01/03/2021

23:00-07:00

44

36

30

25

02/03/2021

07:00-19:00

55

55

42

40

02/03/2021

19:00-23:00

---

---

40

34

02/03/2021

23:00-07:00

39

33

45

37

03/03/2021

07:00-19:00

---

---

40

40

03/03/2021

19:00-23:00

18

18

31

22

03/03/2021

23:00-07:00

38

32

41

30

04/03/2021

07:00-19:00

---

---

---

---

04/03/2021

19:00-23:00

---

---

41

38

04/03/2021

23:00-07:00

41

37

41

33

05/03/2021

07:00-19:00

---

---

37

37

05/03/2021

19:00-23:00

---

---

49

36

05/03/2021

23:00-07:00

39

34

41

32

06/03/2021

07:00-19:00

---

---

---

---

06/03/2021

19:00-23:00

---

---

21

21

06/03/2021

23:00-07:00

27

27

38

30

07/03/2021

07:00-23:00

43

39

---

---

07/03/2021

23:00-07:00

43

38

35

33

08/03/2021

07:00-19:00

---

---

---

---

08/03/2021

19:00-23:00

---

---

30

30

08/03/2021

23:00-07:00

41

35

38

35

09/03/2021

07:00-19:00

---

---

---

---

09/03/2021

19:00-23:00

---

---

36

34

09/03/2021

23:00-07:00

44

37

40

32

10/03/2021

07:00-19:00

---

---

28

28

10/03/2021

19:00-23:00

40

36

42

32

10/03/2021

23:00-07:00

43

36

40

32

11/03/2021

07:00-19:00

---

---

39

33

11/03/2021

19:00-23:00

---

---

36

31

11/03/2021

23:00-07:00

41

36

43

33

12/03/2021

07:00-19:00

---

---

48

36

12/03/2021

19:00-23:00

---

---

34

32

12/03/2021

23:00-07:00

41

33

41

35

13/03/2021

07:00-19:00

---

---

53

40

13/03/2021

19:00-23:00

---

---

40

34

13/03/2021

23:00-07:00

35

35

42

34

14/03/2021

07:00-23:00

52

37

42

34

14/03/2021

23:00-07:00

42

39

38

33

15/03/2021

07:00-19:00

---

---

55

39

15/03/2021

19:00-23:00

---

---

38

32

15/03/2021

23:00-07:00

43

40

41

35

16/03/2021

07:00-19:00

---

---

41

41

16/03/2021

19:00-23:00

---

---

37

29

16/03/2021

23:00-07:00

43

41

41

37

17/03/2021

07:00-19:00

50

50

36

36

17/03/2021

19:00-23:00

---

---

38

35

17/03/2021

23:00-07:00

42

35

41

34

18/03/2021

07:00-19:00

---

---

37

36

18/03/2021

19:00-23:00

---

---

37

31

18/03/2021

23:00-07:00

43

33

40

35

19/03/2021

07:00-19:00

---

---

43

37

19/03/2021

19:00-23:00

---

---

40

35

19/03/2021

23:00-07:00

---

---

43

36

20/03/2021

07:00-19:00

35

35

32

32

20/03/2021

19:00-23:00

39

35

34

32

20/03/2021

23:00-07:00

43

35

40

32

21/03/2021

07:00-23:00

55

40

48

47

21/03/2021

23:00-07:00

45

39

36

29

22/03/2021

07:00-19:00

47

47

---

---

22/03/2021

19:00-23:00

---

---

46

42

22/03/2021

23:00-07:00

43

35

40

31

23/03/2021

07:00-19:00

49

35

40

35

23/03/2021

19:00-23:00

---

---

39

37

23/03/2021

23:00-07:00

42

40

43

33

24/03/2021

07:00-19:00

---

---

34

30

24/03/2021

19:00-23:00

---

---

37

30

24/03/2021

23:00-07:00

37

30

39

32

25/03/2021

07:00-19:00

---

---

42

38

25/03/2021

19:00-23:00

---

---

42

36

25/03/2021

23:00-07:00

44

38

43

35

26/03/2021

07:00-19:00

---

---

38

32

26/03/2021

19:00-23:00

---

---

49

32

26/03/2021

23:00-07:00

---

---

40

33

27/03/2021

07:00-19:00

---

---

49

49

27/03/2021

19:00-23:00

---

---

---

---

27/03/2021

23:00-07:00

38

34

42

28

28/03/2021

07:00-23:00

51

39

34

34

28/03/2021

23:00-07:00

43

36

37

30

29/03/2021

07:00-19:00

---

---

---

---

29/03/2021

19:00-23:00

16

16

45

32

29/03/2021

23:00-07:00

---

---

36

28

30/03/2021

07:00-19:00

---

---

---

---

30/03/2021

19:00-23:00

---

---

47

33

30/03/2021

23:00-07:00

42

37

38

30

31/03/2021

07:00-19:00

---

---

38

38

31/03/2021

19:00-23:00

33

33

33

23

31/03/2021

23:00-07:00

45

42

40

33

 

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).