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

1/5/2023

07:00-23:00

41

38

1/5/2023

23:00-07:00

47

45

2/5/2023

07:00-23:00

---

---

2/5/2023

23:00-07:00

---

---

3/5/2023

07:00-23:00

---

---

3/5/2023

23:00-07:00

41

41

4/5/2023

07:00-23:00

---

---

4/5/2023

23:00-07:00

56

56

5/5/2023

07:00-23:00

---

---

5/5/2023

23:00-07:00

45

40

6/5/2023

07:00-23:00

49

47

6/5/2023

23:00-07:00

---

---

7/5/2023

07:00-23:00

48

46

7/5/2023

23:00-07:00

---

---

8/5/2023

07:00-23:00

55

53

8/5/2023

23:00-07:00

---

---

9/5/2023

07:00-23:00

45

45

9/5/2023

23:00-07:00

31

31

10/5/2023

07:00-23:00

41

40

10/5/2023

23:00-07:00

41

40

11/5/2023

07:00-23:00

54

50

11/5/2023

23:00-07:00

---

---

12/5/2023

07:00-23:00

43

42

12/5/2023

23:00-07:00

47

47

13/5/2023

07:00-23:00

57

53

13/5/2023

23:00-07:00

---

---

14/5/2023

07:00-23:00

51

47

14/5/2023

23:00-07:00

44

44

15/5/2023

07:00-23:00

46

46

15/5/2023

23:00-07:00

49

47

16/5/2023

07:00-23:00

---

---

16/5/2023

23:00-07:00

---

---

17/5/2023

07:00-23:00

45

42

17/5/2023

23:00-07:00

41

36

18/5/2023

07:00-23:00

---

---

18/5/2023

23:00-07:00

43

41

19/5/2023

07:00-23:00

57

55

19/5/2023

23:00-07:00

43

39

20/5/2023

07:00-23:00

---

---

20/5/2023

23:00-07:00

43

39

21/5/2023

07:00-23:00

51

49

21/5/2023

23:00-07:00

50

49

22/5/2023

07:00-23:00

53

48

22/5/2023

23:00-07:00

---

---

23/5/2023

07:00-23:00

53

50

23/5/2023

23:00-07:00

38

35

24/5/2023

07:00-23:00

---

---

24/5/2023

23:00-07:00

41

41

25/5/2023

07:00-23:00

---

---

25/5/2023

23:00-07:00

46

46

26/5/2023

07:00-23:00

55

55

26/5/2023

23:00-07:00

55

52

27/5/2023

07:00-23:00

46

42

27/5/2023

23:00-07:00

---

---

28/5/2023

07:00-23:00

49

46

28/5/2023

23:00-07:00

42

39

29/5/2023

07:00-23:00

51

48

29/5/2023

23:00-07:00

---

---

30/5/2023

07:00-23:00

---

---

30/5/2023

23:00-07:00

46

44

31/5/2023

07:00-23:00

49

45

31/5/2023

23:00-07:00

58

55

 

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

01/05/2023

07:00-19:00

59

37

39

36

01/05/2023

19:00-23:00

40

32

45

35

02/05/2023

23:00-07:00

---

---

51

51

02/05/2023

07:00-23:00

---

---

---

---

02/05/2023

23:00-07:00

39

39

32

32

03/05/2023

07:00-19:00

---

---

---

---

03/05/2023

19:00-23:00

---

---

34

28

03/05/2023

23:00-07:00

45

37

44

32

04/05/2023

07:00-19:00

---

---

41

35

04/05/2023

19:00-23:00

---

---

31

29

04/05/2023

23:00-07:00

42

37

38

32

05/05/2023

07:00-23:00

---

---

52

43

05/05/2023

23:00-07:00

---

---

39

33

05/05/2023

07:00-19:00

45

37

40

31

06/05/2023

19:00-23:00

---

---

49

47

06/05/2023

23:00-07:00

52

44

---

---

06/05/2023

07:00-23:00

---

---

43

31

07/05/2023

23:00-07:00

51

41

55

38

07/05/2023

07:00-23:00

37

32

29

29

08/05/2023

23:00-07:00

55

51

---

---

08/05/2023

07:00-23:00

---

---

48

48

08/05/2023

23:00-07:00

31

31

45

31

09/05/2023

07:00-23:00

45

45

42

42

09/05/2023

23:00-07:00

37

37

38

32

09/05/2023

07:00-19:00

36

32

40

34

10/05/2023

19:00-23:00

41

39

---

---

10/05/2023

23:00-07:00

33

33

37

29

10/05/2023

07:00-19:00

43

39

37

31

11/05/2023

19:00-23:00

54

50

26

26

11/05/2023

23:00-07:00

51

41

31

25

11/05/2023

07:00-19:00

45

40

39

34

12/05/2023

19:00-23:00

43

43

---

---

12/05/2023

23:00-07:00

41

41

49

47

12/05/2023

07:00-19:00

42

35

38

32

13/05/2023

19:00-23:00

57

48

---

---

13/05/2023

23:00-07:00

44

44

39

39

13/05/2023

07:00-19:00

34

34

---

---

14/05/2023

19:00-23:00

60

41

51

37

14/05/2023

23:00-07:00

44

44

41

34

15/05/2023

07:00-23:00

46

46

---

---

15/05/2023

23:00-07:00

37

30

---

---

15/05/2023

07:00-19:00

45

39

44

33

16/05/2023

19:00-23:00

61

61

35

35

16/05/2023

23:00-07:00

32

32

37

27

16/05/2023

07:00-19:00

42

38

44

38

17/05/2023

19:00-23:00

---

---

---

---

17/05/2023

23:00-07:00

51

45

42

40

17/05/2023

07:00-19:00

45

36

35

33

18/05/2023

19:00-23:00

---

---

---

---

18/05/2023

23:00-07:00

47

47

38

33

18/05/2023

07:00-19:00

44

40

41

33

19/05/2023

19:00-23:00

57

53

27

27

19/05/2023

23:00-07:00

42

40

33

26

19/05/2023

07:00-19:00

44

39

45

36

20/05/2023

19:00-23:00

---

---

29

29

20/05/2023

23:00-07:00

36

36

---

---

20/05/2023

07:00-19:00

44

38

42

37

21/05/2023

19:00-23:00

58

45

46

33

21/05/2023

23:00-07:00

44

37

38

31

22/05/2023

07:00-23:00

53

42

42

36

22/05/2023

23:00-07:00

---

---

47

41

22/05/2023

07:00-19:00

45

39

44

40

23/05/2023

19:00-23:00

53

53

47

43

23/05/2023

23:00-07:00

42

30

46

34

23/05/2023

07:00-19:00

43

34

45

36

24/05/2023

19:00-23:00

---

---

45

40

24/05/2023

23:00-07:00

---

---

43

38

24/05/2023

07:00-19:00

44

38

37

31

25/05/2023

19:00-23:00

---

---

41

41

25/05/2023

23:00-07:00

34

34

43

40

25/05/2023

07:00-19:00

44

42

39

32

26/05/2023

19:00-23:00

55

55

22

22

26/05/2023

23:00-07:00

37

37

44

38

27/05/2023

07:00-19:00

46

41

---

---

27/05/2023

19:00-23:00

---

---

---

---

27/05/2023

23:00-07:00

44

37

30

26

28/05/2023

07:00-19:00

54

40

37

37

28/05/2023

19:00-23:00

42

35

39

31

29/05/2023

23:00-07:00

51

47

---

---

29/05/2023

07:00-23:00

---

---

32

29

29/05/2023

23:00-07:00

45

45

43

35

31/05/2023

07:00-19:00

---

---

37

30

31/05/2023

19:00-23:00

---

---

40

37

31/05/2023

23:00-07:00

45

42

39

35

 

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).