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

01/04/2021

07:00-23:00

---

---

01/04/2021

23:00-07:00

---

---

02/04/2021

07:00-23:00

42

39

02/04/2021

23:00-07:00

---

---

03/04/2021

07:00-23:00

37

36

03/04/2021

23:00-07:00

---

---

04/04/2021

07:00-23:00

48

46

04/04/2021

23:00-07:00

---

---

05/04/2021

07:00-23:00

---

---

05/04/2021

23:00-07:00

37

35

06/04/2021

07:00-23:00

50

46

06/04/2021

23:00-07:00

43

42

07/04/2021

07:00-23:00

---

---

07/04/2021

23:00-07:00

33

33

08/04/2021

07:00-23:00

---

---

08/04/2021

23:00-07:00

34

34

09/04/2021

07:00-23:00

---

---

09/04/2021

23:00-07:00

40

40

10/04/2021

07:00-23:00

---

---

10/04/2021

23:00-07:00

---

---

11/04/2021

07:00-23:00

46

41

11/04/2021

23:00-07:00

43

43

12/04/2021

07:00-23:00

---

---

12/04/2021

23:00-07:00

40

40

13/04/2021

07:00-23:00

---

---

13/04/2021

23:00-07:00

---

---

14/04/2021

07:00-23:00

---

---

14/04/2021

23:00-07:00

34

33

15/04/2021

07:00-23:00

---

---

15/04/2021

23:00-07:00

---

---

16/04/2021

07:00-23:00

---

---

16/04/2021

23:00-07:00

36

36

17/04/2021

07:00-23:00

53

53

17/04/2021

23:00-07:00

25

25

18/04/2021

07:00-23:00

43

39

18/04/2021

23:00-07:00

50

44

19/04/2021

07:00-23:00

52

47

19/04/2021

23:00-07:00

35

31

20/04/2021

07:00-23:00

52

50

20/04/2021

23:00-07:00

---

---

21/04/2021

07:00-23:00

50

47

21/04/2021

23:00-07:00

41

41

22/04/2021

07:00-23:00

---

---

22/04/2021

23:00-07:00

---

---

23/04/2021

07:00-23:00

---

---

23/04/2021

23:00-07:00

---

---

24/04/2021

07:00-23:00

---

---

24/04/2021

23:00-07:00

---

---

25/04/2021

07:00-23:00

---

---

25/04/2021

23:00-07:00

45

42

26/04/2021

07:00-23:00

43

42

26/04/2021

23:00-07:00

41

39

27/04/2021

07:00-23:00

44

43

27/04/2021

23:00-07:00

39

37

28/04/2021

07:00-23:00

---

---

28/04/2021

23:00-07:00

46

44

29/04/2021

07:00-23:00

---

---

29/04/2021

23:00-07:00

---

---

30/04/2021

07:00-23:00

41

38

30/04/2021

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

01/04/2021

07:00-19:00

---

---

45

42

01/04/2021

19:00-23:00

---

---

36

36

01/04/2021

23:00-07:00

---

---

40

34

02/04/2021

07:00-23:00

48

35

43

36

02/04/2021

23:00-07:00

40

40

35

30

03/04/2021

07:00-23:00

50

38

54

36

03/04/2021

23:00-07:00

36

36

39

30

04/04/2021

07:00-23:00

52

44

52

35

04/04/2021

23:00-07:00

30

30

37

29

05/04/2021

07:00-23:00

45

42

53

34

05/04/2021

23:00-07:00

40

32

42

31

06/04/2021

07:00-23:00

50

38

46

34

06/04/2021

23:00-07:00

44

40

42

35

07/04/2021

07:00-19:00

---

---

40

36

07/04/2021

19:00-23:00

47

47

48

36

07/04/2021

23:00-07:00

37

32

36

25

08/04/2021

07:00-19:00

---

---

31

31

08/04/2021

19:00-23:00

---

---

26

26

08/04/2021

23:00-07:00

37

34

41

31

09/04/2021

07:00-19:00

---

---

37

36

09/04/2021

19:00-23:00

---

---

42

39

09/04/2021

23:00-07:00

44

39

34

28

10/04/2021

07:00-19:00

---

---

45

37

10/04/2021

19:00-23:00

---

---

39

34

10/04/2021

23:00-07:00

42

42

37

34

11/04/2021

07:00-23:00

46

36

47

35

11/04/2021

23:00-07:00

45

41

39

36

12/04/2021

07:00-19:00

---

---

37

31

12/04/2021

19:00-23:00

---

---

34

31

12/04/2021

23:00-07:00

43

37

37

33

13/04/2021

07:00-19:00

---

---

47

47

13/04/2021

19:00-23:00

---

---

37

30

13/04/2021

23:00-07:00

44

38

44

36

14/04/2021

07:00-19:00

---

---

44

40

14/04/2021

19:00-23:00

31

31

44

36

14/04/2021

23:00-07:00

42

34

42

37

15/04/2021

07:00-19:00

---

---

40

34

15/04/2021

19:00-23:00

---

---

38

34

15/04/2021

23:00-07:00

---

---

38

33

16/04/2021

07:00-19:00

---

---

45

39

16/04/2021

19:00-23:00

43

43

39

37

16/04/2021

23:00-07:00

45

36

36

29

17/04/2021

07:00-19:00

53

53

---

---

17/04/2021

19:00-23:00

---

---

---

---

17/04/2021

23:00-07:00

25

25

39

35

18/04/2021

07:00-23:00

44

34

45

33

18/04/2021

23:00-07:00

45

39

44

34

19/04/2021

07:00-19:00

52

44

39

35

19/04/2021

19:00-23:00

52

44

44

36

19/04/2021

23:00-07:00

43

33

43

33

20/04/2021

07:00-19:00

48

48

32

32

20/04/2021

19:00-23:00

53

45

32

30

20/04/2021

23:00-07:00

32

32

36

31

21/04/2021

07:00-19:00

50

45

42

31

21/04/2021

19:00-23:00

51

43

48

36

21/04/2021

23:00-07:00

44

40

37

37

22/04/2021

07:00-19:00

---

---

45

41

22/04/2021

19:00-23:00

13

13

28

28

22/04/2021

23:00-07:00

42

42

37

37

23/04/2021

07:00-19:00

---

---

46

40

23/04/2021

19:00-23:00

---

---

---

---

23/04/2021

23:00-07:00

---

---

35

27

24/04/2021

07:00-19:00

---

---

38

33

24/04/2021

19:00-23:00

---

---

37

31

24/04/2021

23:00-07:00

---

---

40

33

25/04/2021

07:00-23:00

---

---

42

31

25/04/2021

23:00-07:00

45

39

43

37

26/04/2021

07:00-19:00

---

---

51

42

26/04/2021

19:00-23:00

44

38

38

31

26/04/2021

23:00-07:00

45

37

42

33

27/04/2021

07:00-19:00

44

43

45

38

27/04/2021

19:00-23:00

34

33

37

31

27/04/2021

23:00-07:00

45

38

45

35

28/04/2021

07:00-19:00

---

---

33

33

28/04/2021

19:00-23:00

---

---

---

---

28/04/2021

23:00-07:00

45

42

32

29

29/04/2021

07:00-19:00

---

---

47

40

29/04/2021

19:00-23:00

---

---

47

44

29/04/2021

23:00-07:00

41

39

36

36

30/04/2021

07:00-19:00

---

---

45

41

30/04/2021

19:00-23:00

45

40

---

---

30/04/2021

23:00-07:00

37

34

44

43

 

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).