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

01/04/2022

07:00-23:00

---

---

01/04/2022

23:00-07:00

---

---

02/04/2022

07:00-23:00

46

46

02/04/2022

23:00-07:00

42

42

03/04/2022

07:00-23:00

49

43

03/04/2022

23:00-07:00

38

36

04/04/2022

07:00-23:00

---

---

04/04/2022

23:00-07:00

---

---

05/04/2022

07:00-23:00

34

34

05/04/2022

23:00-07:00

45

45

06/04/2022

07:00-23:00

44

44

06/04/2022

23:00-07:00

44

44

07/04/2022

07:00-23:00

39

39

07/04/2022

23:00-07:00

26

26

08/04/2022

07:00-23:00

---

---

08/04/2022

23:00-07:00

39

39

09/04/2022

07:00-23:00

---

---

09/04/2022

23:00-07:00

45

45

10/04/2022

07:00-23:00

39

39

10/04/2022

23:00-07:00

---

---

11/04/2022

07:00-23:00

39

39

11/04/2022

23:00-07:00

42

40

12/04/2022

07:00-23:00

58

54

12/04/2022

23:00-07:00

---

---

13/04/2022

07:00-23:00

---

---

13/04/2022

23:00-07:00

---

---

14/04/2022

07:00-23:00

---

---

14/04/2022

23:00-07:00

37

35

15/04/2022

07:00-23:00

46

42

15/04/2022

23:00-07:00

38

36

16/04/2022

07:00-23:00

55

49

16/04/2022

23:00-07:00

---

---

17/04/2022

07:00-23:00

50

48

17/04/2022

23:00-07:00

44

44

18/04/2022

07:00-23:00

52

49

18/04/2022

23:00-07:00

---

---

19/04/2022

07:00-23:00

44

41

19/04/2022

23:00-07:00

38

38

20/04/2022

07:00-23:00

57

53

20/04/2022

23:00-07:00

---

---

21/04/2022

07:00-23:00

50

50

21/04/2022

23:00-07:00

40

40

22/04/2022

07:00-23:00

---

---

22/04/2022

23:00-07:00

---

---

23/04/2022

07:00-23:00

---

---

23/04/2022

23:00-07:00

41

40

24/04/2022

07:00-23:00

25

25

24/04/2022

23:00-07:00

38

38

25/04/2022

07:00-23:00

---

---

25/04/2022

23:00-07:00

---

---

26/04/2022

07:00-23:00

43

43

26/04/2022

23:00-07:00

30

30

27/04/2022

07:00-23:00

---

---

27/04/2022

23:00-07:00

---

---

28/04/2022

07:00-23:00

---

---

28/04/2022

23:00-07:00

40

40

29/04/2022

07:00-23:00

---

---

29/04/2022

23:00-07:00

---

---

30/04/2022

07:00-23:00

---

---

30/04/2022

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

01/04/2022

07:00-19:00

---

---

48

34

01/04/2022

19:00-23:00

---

---

43

39

01/04/2022

23:00-07:00

---

---

41

35

02/04/2022

07:00-19:00

46

46

40

34

02/04/2022

19:00-23:00

---

---

43

38

02/04/2022

23:00-07:00

42

35

44

41

03/04/2022

07:00-23:00

49

39

47

40

03/04/2022

23:00-07:00

39

35

45

42

04/04/2022

07:00-19:00

---

---

44

41

04/04/2022

19:00-23:00

---

---

51

43

04/04/2022

23:00-07:00

---

---

45

43

05/04/2022

07:00-23:00

51

42

46

41

05/04/2022

23:00-07:00

45

44

45

42

06/04/2022

07:00-19:00

44

44

44

40

06/04/2022

19:00-23:00

---

---

45

40

06/04/2022

23:00-07:00

44

39

43

38

07/04/2022

07:00-19:00

39

39

52

37

07/04/2022

19:00-23:00

---

---

44

42

07/04/2022

23:00-07:00

34

30

44

41

08/04/2022

07:00-19:00

---

---

48

44

08/04/2022

19:00-23:00

---

---

46

42

08/04/2022

23:00-07:00

40

38

45

40

09/04/2022

07:00-19:00

---

---

44

40

09/04/2022

19:00-23:00

---

---

42

38

09/04/2022

23:00-07:00

45

41

45

41

10/04/2022

07:00-23:00

54

44

47

39

10/04/2022

23:00-07:00

44

42

44

39

11/04/2022

07:00-19:00

39

39

44

41

11/04/2022

19:00-23:00

---

---

47

41

11/04/2022

23:00-07:00

42

34

44

37

12/04/2022

07:00-19:00

58

51

45

40

12/04/2022

19:00-23:00

---

---

44

40

12/04/2022

23:00-07:00

44

40

44

41

13/04/2022

07:00-19:00

---

---

44

38

13/04/2022

19:00-23:00

---

---

47

42

13/04/2022

23:00-07:00

43

38

44

40

14/04/2022

07:00-19:00

---

---

44

40

14/04/2022

19:00-23:00

34

34

44

41

14/04/2022

23:00-07:00

40

35

45

41

15/04/2022

07:00-23:00

50

40

49

40

15/04/2022

23:00-07:00

40

33

45

39

16/04/2022

07:00-23:00

56

41

49

38

16/04/2022

23:00-07:00

39

34

43

36

17/04/2022

07:00-23:00

50

40

51

36

17/04/2022

23:00-07:00

44

41

42

39

18/04/2022

07:00-23:00

52

38

53

36

18/04/2022

23:00-07:00

31

31

40

35

19/04/2022

07:00-19:00

44

39

41

36

19/04/2022

19:00-23:00

48

43

40

36

19/04/2022

23:00-07:00

39

35

41

36

20/04/2022

07:00-19:00

57

50

40

33

20/04/2022

19:00-23:00

---

---

41

38

20/04/2022

23:00-07:00

36

36

41

33

21/04/2022

07:00-19:00

50

50

45

37

21/04/2022

19:00-23:00

---

---

50

39

21/04/2022

23:00-07:00

43

39

44

38

22/04/2022

07:00-19:00

---

---

43

41

22/04/2022

19:00-23:00

44

44

43

42

22/04/2022

23:00-07:00

36

33

43

39

23/04/2022

07:00-19:00

---

---

54

38

23/04/2022

19:00-23:00

---

---

40

34

23/04/2022

23:00-07:00

44

38

43

39

24/04/2022

07:00-23:00

42

34

50

36

24/04/2022

23:00-07:00

40

35

44

39

25/04/2022

07:00-19:00

---

---

43

39

25/04/2022

19:00-23:00

---

---

41

40

25/04/2022

23:00-07:00

40

33

41

37

26/04/2022

07:00-19:00

---

---

44

37

26/04/2022

19:00-23:00

45

42

48

39

26/04/2022

23:00-07:00

41

36

41

38

27/04/2022

07:00-19:00

---

---

44

34

27/04/2022

19:00-23:00

---

---

43

38

27/04/2022

23:00-07:00

35

34

42

33

28/04/2022

07:00-19:00

---

---

42

35

28/04/2022

19:00-23:00

---

---

44

38

28/04/2022

23:00-07:00

41

36

40

38

29/04/2022

07:00-19:00

---

---

40

36

29/04/2022

19:00-23:00

---

---

41

36

29/04/2022

23:00-07:00

38

32

38

32

30/04/2022

07:00-19:00

---

---

61

51

30/04/2022

19:00-23:00

---

---

43

37

30/04/2022

23:00-07:00

39

39

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).