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

01/05/2022

07:00-23:00

---

---

01/05/2022

23:00-07:00

---

---

02/05/2022

07:00-23:00

---

---

02/05/2022

23:00-07:00

40

37

03/05/2022

07:00-23:00

---

---

03/05/2022

23:00-07:00

---

---

04/05/2022

07:00-23:00

---

---

04/05/2022

23:00-07:00

---

---

05/05/2022

07:00-23:00

45

43

05/05/2022

23:00-07:00

35

35

06/05/2022

07:00-23:00

50

48

06/05/2022

23:00-07:00

34

33

07/05/2022

07:00-23:00

---

---

07/05/2022

23:00-07:00

---

---

08/05/2022

07:00-23:00

35

35

08/05/2022

23:00-07:00

---

---

09/05/2022

07:00-23:00

37

35

09/05/2022

23:00-07:00

36

35

10/05/2022

07:00-23:00

---

---

10/05/2022

23:00-07:00

---

---

11/05/2022

07:00-23:00

31

31

11/05/2022

23:00-07:00

27

27

12/05/2022

07:00-23:00

43

40

12/05/2022

23:00-07:00

48

45

13/05/2022

07:00-23:00

45

44

13/05/2022

23:00-07:00

36

36

14/05/2022

07:00-23:00

---

---

14/05/2022

23:00-07:00

42

37

15/05/2022

07:00-23:00

46

40

15/05/2022

23:00-07:00

48

42

16/05/2022

07:00-23:00

---

---

16/05/2022

23:00-07:00

41

39

17/05/2022

07:00-23:00

---

---

17/05/2022

23:00-07:00

42

41

18/05/2022

07:00-23:00

---

---

18/05/2022

23:00-07:00

46

44

19/05/2022

07:00-23:00

---

---

19/05/2022

23:00-07:00

22

22

20/05/2022

07:00-23:00

29

29

20/05/2022

23:00-07:00

36

36

21/05/2022

07:00-23:00

47

47

21/05/2022

23:00-07:00

44

44

22/05/2022

07:00-23:00

46

41

22/05/2022

23:00-07:00

42

37

23/05/2022

07:00-23:00

---

---

23/05/2022

23:00-07:00

40

40

24/05/2022

07:00-23:00

---

---

24/05/2022

23:00-07:00

38

36

25/05/2022

07:00-23:00

37

36

25/05/2022

23:00-07:00

42

42

26/05/2022

07:00-23:00

58

50

26/05/2022

23:00-07:00

44

39

27/05/2022

07:00-23:00

28

28

27/05/2022

23:00-07:00

30

30

28/05/2022

07:00-23:00

---

---

28/05/2022

23:00-07:00

---

---

29/05/2022

07:00-23:00

52

49

29/05/2022

23:00-07:00

39

38

30/05/2022

07:00-23:00

54

50

30/05/2022

23:00-07:00

41

41

31/05/2022

07:00-23:00

55

55

31/05/2022

23:00-07:00

32

32

 

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

01/05/2022

07:00-23:00

47

47

50

37

01/05/2022

23:00-07:00

---

---

40

32

02/05/2022

07:00-23:00

41

41

49

39

02/05/2022

23:00-07:00

42

35

38

33

03/05/2022

07:00-19:00

---

---

54

48

03/05/2022

19:00-23:00

---

---

39

36

03/05/2022

23:00-07:00

---

---

43

34

04/05/2022

07:00-19:00

---

---

34

34

04/05/2022

19:00-23:00

---

---

33

28

04/05/2022

23:00-07:00

42

40

40

34

05/05/2022

07:00-19:00

45

41

38

36

05/05/2022

19:00-23:00

---

---

40

36

05/05/2022

23:00-07:00

44

40

39

34

06/05/2022

07:00-19:00

50

48

53

50

06/05/2022

19:00-23:00

41

35

38

31

06/05/2022

23:00-07:00

45

34

40

36

07/05/2022

07:00-19:00

---

---

62

50

07/05/2022

19:00-23:00

---

---

36

31

07/05/2022

23:00-07:00

---

---

42

36

08/05/2022

07:00-23:00

48

37

45

34

08/05/2022

23:00-07:00

29

29

44

32

09/05/2022

07:00-23:00

40

35

39

32

09/05/2022

23:00-07:00

44

38

43

33

10/05/2022

07:00-19:00

---

---

55

41

10/05/2022

19:00-23:00

---

---

42

35

10/05/2022

23:00-07:00

30

30

43

36

11/05/2022

07:00-19:00

---

---

47

41

11/05/2022

19:00-23:00

39

34

42

34

11/05/2022

23:00-07:00

43

32

43

33

12/05/2022

07:00-19:00

43

36

55

41

12/05/2022

19:00-23:00

42

39

42

38

12/05/2022

23:00-07:00

45

42

45

38

13/05/2022

07:00-19:00

45

43

49

42

13/05/2022

19:00-23:00

45

35

43

36

13/05/2022

23:00-07:00

36

34

42

34

14/05/2022

07:00-19:00

---

---

37

31

14/05/2022

19:00-23:00

27

24

42

35

14/05/2022

23:00-07:00

45

37

45

33

15/05/2022

07:00-23:00

49

39

42

34

15/05/2022

23:00-07:00

45

40

40

32

16/05/2022

07:00-19:00

---

---

40

40

16/05/2022

19:00-23:00

---

---

36

23

16/05/2022

23:00-07:00

45

37

36

30

17/05/2022

07:00-19:00

---

---

35

34

17/05/2022

19:00-23:00

37

30

50

36

17/05/2022

23:00-07:00

42

38

45

34

18/05/2022

07:00-19:00

---

---

39

34

18/05/2022

19:00-23:00

28

28

37

32

18/05/2022

23:00-07:00

45

40

39

32

19/05/2022

07:00-19:00

---

---

38

36

19/05/2022

19:00-23:00

---

---

35

31

19/05/2022

23:00-07:00

39

32

43

34

20/05/2022

07:00-19:00

---

---

41

39

20/05/2022

19:00-23:00

37

29

32

27

20/05/2022

23:00-07:00

43

34

42

31

21/05/2022

07:00-19:00

47

47

40

37

21/05/2022

19:00-23:00

---

---

38

34

21/05/2022

23:00-07:00

44

36

42

37

22/05/2022

07:00-23:00

51

34

49

36

22/05/2022

23:00-07:00

42

34

44

33

23/05/2022

07:00-19:00

---

---

40

38

23/05/2022

19:00-23:00

30

20

---

---

23/05/2022

23:00-07:00

40

38

39

35

24/05/2022

07:00-19:00

---

---

37

34

24/05/2022

19:00-23:00

40

37

43

30

24/05/2022

23:00-07:00

42

36

38

32

25/05/2022

07:00-19:00

34

34

51

44

25/05/2022

19:00-23:00

42

34

40

33

25/05/2022

23:00-07:00

42

39

42

36

26/05/2022

07:00-19:00

58

55

56

41

26/05/2022

19:00-23:00

46

43

38

33

26/05/2022

23:00-07:00

44

36

43

36

27/05/2022

07:00-19:00

---

---

45

39

27/05/2022

19:00-23:00

42

31

46

40

27/05/2022

23:00-07:00

30

30

41

34

28/05/2022

07:00-19:00

---

---

57

41

28/05/2022

19:00-23:00

33

33

41

37

28/05/2022

23:00-07:00

---

---

42

34

29/05/2022

07:00-23:00

59

46

44

32

29/05/2022

23:00-07:00

45

35

45

35

30/05/2022

07:00-19:00

54

48

40

34

30/05/2022

19:00-23:00

---

---

43

38

30/05/2022

23:00-07:00

41

39

44

35

31/05/2022

07:00-19:00

55

55

46

38

31/05/2022

19:00-23:00

43

35

43

38

31/05/2022

23:00-07:00

42

39

43

36

 

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).