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

01/08/2022

07:00-23:00

50

50

01/08/2022

23:00-07:00

---

---

02/08/2022

07:00-23:00

50

47

02/08/2022

23:00-07:00

35

35

03/08/2022

07:00-23:00

41

41

03/08/2022

23:00-07:00

40

40

04/08/2022

07:00-23:00

27

27

04/08/2022

23:00-07:00

45

41

05/08/2022

07:00-23:00

41

41

05/08/2022

23:00-07:00

32

32

06/08/2022

07:00-23:00

---

---

06/08/2022

23:00-07:00

---

---

07/08/2022

07:00-23:00

---

---

07/08/2022

23:00-07:00

39

35

08/08/2022

07:00-23:00

50

50

08/08/2022

23:00-07:00

43

40

09/08/2022

07:00-23:00

---

---

09/08/2022

23:00-07:00

---

---

10/08/2022

07:00-23:00

---

---

10/08/2022

23:00-07:00

38

38

11/08/2022

07:00-23:00

37

37

11/08/2022

23:00-07:00

---

---

12/08/2022

07:00-23:00

37

37

12/08/2022

23:00-07:00

---

---

13/08/2022

07:00-23:00

---

---

13/08/2022

23:00-07:00

26

26

14/08/2022

07:00-23:00

---

---

14/08/2022

23:00-07:00

43

41

15/08/2022

07:00-23:00

---

---

15/08/2022

23:00-07:00

45

41

16/08/2022

07:00-23:00

35

35

16/08/2022

23:00-07:00

31

31

17/08/2022

07:00-23:00

---

---

17/08/2022

23:00-07:00

46

44

18/08/2022

07:00-23:00

44

44

18/08/2022

23:00-07:00

38

38

19/08/2022

07:00-23:00

52

52

19/08/2022

23:00-07:00

42

39

20/08/2022

07:00-23:00

---

---

20/08/2022

23:00-07:00

43

41

21/08/2022

07:00-23:00

---

---

21/08/2022

23:00-07:00

44

44

22/08/2022

07:00-23:00

---

---

22/08/2022

23:00-07:00

39

39

23/08/2022

07:00-23:00

---

---

23/08/2022

23:00-07:00

41

36

24/08/2022

07:00-23:00

---

---

24/08/2022

23:00-07:00

---

---

25/08/2022

07:00-23:00

---

---

25/08/2022

23:00-07:00

33

29

26/08/2022

07:00-23:00

---

---

26/08/2022

23:00-07:00

---

---

27/08/2022

07:00-23:00

---

---

27/08/2022

23:00-07:00

---

---

28/08/2022

07:00-23:00

---

---

28/08/2022

23:00-07:00

37

37

29/08/2022

07:00-23:00

---

---

29/08/2022

23:00-07:00

36

36

30/08/2022

07:00-23:00

51

51

30/08/2022

23:00-07:00

32

30

31/08/2022

07:00-23:00

---

---

31/08/2022

23:00-07:00

38

38

 

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

01/08/2022

07:00-19:00

50

50

60

44

01/08/2022

19:00-23:00

---

---

49

42

01/08/2022

23:00-07:00

43

43

41

35

02/08/2022

07:00-19:00

50

50

59

41

02/08/2022

19:00-23:00

55

47

57

38

02/08/2022

23:00-07:00

42

39

45

33

03/08/2022

07:00-19:00

41

41

48

37

03/08/2022

19:00-23:00

---

---

51

34

03/08/2022

23:00-07:00

45

41

44

32

04/08/2022

07:00-19:00

---

---

43

35

04/08/2022

19:00-23:00

27

27

40

31

04/08/2022

23:00-07:00

45

40

45

35

05/08/2022

07:00-19:00

41

41

43

38

05/08/2022

19:00-23:00

---

---

38

28

05/08/2022

23:00-07:00

32

29

42

37

06/08/2022

07:00-19:00

---

---

47

38

06/08/2022

19:00-23:00

34

32

49

35

06/08/2022

23:00-07:00

41

41

43

35

07/08/2022

07:00-23:00

42

38

56

38

07/08/2022

23:00-07:00

40

35

40

33

08/08/2022

07:00-19:00

50

50

56

41

08/08/2022

19:00-23:00

---

---

51

40

08/08/2022

23:00-07:00

44

40

44

35

09/08/2022

07:00-19:00

---

---

---

---

09/08/2022

19:00-23:00

45

45

50

46

09/08/2022

23:00-07:00

---

---

---

---

10/08/2022

07:00-19:00

---

---

---

---

10/08/2022

19:00-23:00

46

38

50

38

10/08/2022

23:00-07:00

43

37

45

36

11/08/2022

07:00-19:00

37

37

39

33

11/08/2022

19:00-23:00

---

---

47

38

11/08/2022

23:00-07:00

45

39

44

38

12/08/2022

07:00-19:00

---

---

54

40

12/08/2022

19:00-23:00

38

36

50

32

12/08/2022

23:00-07:00

37

37

44

36

13/08/2022

07:00-19:00

---

---

52

41

13/08/2022

19:00-23:00

---

---

42

36

13/08/2022

23:00-07:00

34

30

42

35

14/08/2022

07:00-23:00

42

35

47

36

14/08/2022

23:00-07:00

43

37

42

34

15/08/2022

07:00-19:00

---

---

9

9

15/08/2022

19:00-23:00

---

---

37

35

15/08/2022

23:00-07:00

45

39

43

38

16/08/2022

07:00-19:00

35

35

60

39

16/08/2022

19:00-23:00

---

---

41

37

16/08/2022

23:00-07:00

43

37

44

40

17/08/2022

07:00-19:00

---

---

54

38

17/08/2022

19:00-23:00

---

---

38

33

17/08/2022

23:00-07:00

43

39

43

36

18/08/2022

07:00-19:00

44

44

60

51

18/08/2022

19:00-23:00

---

---

37

33

18/08/2022

23:00-07:00

42

39

42

34

19/08/2022

07:00-19:00

52

52

48

37

19/08/2022

19:00-23:00

---

---

42

33

19/08/2022

23:00-07:00

42

35

43

34

20/08/2022

07:00-19:00

---

---

40

33

20/08/2022

19:00-23:00

42

39

40

37

20/08/2022

23:00-07:00

45

37

42

35

21/08/2022

07:00-23:00

45

40

41

33

21/08/2022

23:00-07:00

44

41

44

39

22/08/2022

07:00-19:00

---

---

66

45

22/08/2022

19:00-23:00

---

---

38

31

22/08/2022

23:00-07:00

41

39

44

34

23/08/2022

07:00-19:00

---

---

42

33

23/08/2022

19:00-23:00

43

42

40

33

23/08/2022

23:00-07:00

41

35

45

34

24/08/2022

07:00-19:00

---

---

45

39

24/08/2022

19:00-23:00

43

40

---

---

24/08/2022

23:00-07:00

---

---

---

---

25/08/2022

07:00-19:00

---

---

39

36

25/08/2022

19:00-23:00

47

38

43

35

25/08/2022

23:00-07:00

40

32

41

34

26/08/2022

07:00-19:00

---

---

32

30

26/08/2022

19:00-23:00

---

---

46

36

26/08/2022

23:00-07:00

30

30

41

35

27/08/2022

07:00-19:00

---

---

41

36

27/08/2022

19:00-23:00

---

---

44

40

27/08/2022

23:00-07:00

33

33

42

35

28/08/2022

07:00-23:00

52

40

46

38

28/08/2022

23:00-07:00

38

34

45

36

29/08/2022

07:00-19:00

---

---

35

30

29/08/2022

19:00-23:00

---

---

46

41

29/08/2022

23:00-07:00

45

37

45

34

30/08/2022

07:00-19:00

51

51

32

30

30/08/2022

19:00-23:00

---

---

49

40

30/08/2022

23:00-07:00

45

39

44

35

31/08/2022

07:00-19:00

---

---

40

38

31/08/2022

19:00-23:00

---

---

43

38

31/08/2022

23:00-07:00

41

37

45

37

 

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).