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

1/7/2023

07:00-23:00

49

49

1/7/2023

23:00-07:00

38

36

2/7/2023

07:00-23:00

46

44

2/7/2023

23:00-07:00

52

50

3/7/2023

07:00-23:00

---

---

3/7/2023

23:00-07:00

---

---

4/7/2023

07:00-23:00

---

---

4/7/2023

23:00-07:00

38

38

5/7/2023

07:00-23:00

62

59

5/7/2023

23:00-07:00

27

27

6/7/2023

07:00-23:00

57

52

6/7/2023

23:00-07:00

29

29

7/7/2023

07:00-23:00

57

52

7/7/2023

23:00-07:00

---

---

8/7/2023

07:00-23:00

57

50

8/7/2023

23:00-07:00

40

40

9/7/2023

07:00-23:00

66

60

9/7/2023

23:00-07:00

51

49

10/7/2023

07:00-23:00

---

---

10/7/2023

23:00-07:00

54

50

11/7/2023

07:00-23:00

---

---

11/7/2023

23:00-07:00

---

---

12/7/2023

07:00-23:00

---

---

12/7/2023

23:00-07:00

40

40

13/7/2023

07:00-23:00

---

---

13/7/2023

23:00-07:00

27

27

14/7/2023

07:00-23:00

---

---

14/7/2023

23:00-07:00

38

38

15/7/2023

07:00-23:00

---

---

15/7/2023

23:00-07:00

---

---

16/7/2023

07:00-23:00

43

43

16/7/2023

23:00-07:00

---

---

17/7/2023

07:00-23:00

---

---

17/7/2023

23:00-07:00

---

---

18/7/2023

07:00-23:00

---

---

18/7/2023

23:00-07:00

42

39

19/7/2023

07:00-23:00

---

---

19/7/2023

23:00-07:00

---

---

20/7/2023

07:00-23:00

51

51

20/7/2023

23:00-07:00

---

---

21/7/2023

07:00-23:00

50

49

21/7/2023

23:00-07:00

---

---

22/7/2023

07:00-23:00

47

44

22/7/2023

23:00-07:00

40

40

23/7/2023

07:00-23:00

39

39

23/7/2023

23:00-07:00

---

---

24/7/2023

07:00-23:00

44

44

24/7/2023

23:00-07:00

---

---

25/7/2023

07:00-23:00

63

60

25/7/2023

23:00-07:00

---

---

26/7/2023

07:00-23:00

49

49

26/7/2023

23:00-07:00

47

45

27/7/2023

07:00-23:00

56

55

27/7/2023

23:00-07:00

---

---

28/7/2023

07:00-23:00

---

---

28/7/2023

23:00-07:00

47

43

29/7/2023

07:00-23:00

44

44

29/7/2023

23:00-07:00

---

---

30/7/2023

07:00-23:00

---

---

30/7/2023

23:00-07:00

52

47

31/7/2023

07:00-23:00

---

---

31/7/2023

23:00-07:00

50

50

 

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

01/07/2023

07:00-23:00

49

49

44

36

01/07/2023

23:00-07:00

38

33

45

41

02/07/2023

07:00-23:00

47

38

45

35

02/07/2023

23:00-07:00

43

39

45

35

03/07/2023

07:00-19:00

---

---

42

40

03/07/2023

19:00-23:00

---

---

47

36

03/07/2023

23:00-07:00

42

38

45

36

04/07/2023

07:00-19:00

---

---

40

34

04/07/2023

19:00-23:00

---

---

47

39

04/07/2023

23:00-07:00

38

37

45

37

05/07/2023

07:00-19:00

62

51

47

40

05/07/2023

19:00-23:00

---

---

48

32

05/07/2023

23:00-07:00

27

27

45

35

06/07/2023

07:00-19:00

57

32

48

37

06/07/2023

19:00-23:00

---

---

50

37

06/07/2023

23:00-07:00

45

40

41

37

07/07/2023

07:00-19:00

57

42

51

43

07/07/2023

19:00-23:00

35

35

51

41

07/07/2023

23:00-07:00

---

---

44

34

08/07/2023

07:00-19:00

57

43

51

40

08/07/2023

19:00-23:00

---

---

52

40

08/07/2023

23:00-07:00

42

41

45

42

09/07/2023

07:00-23:00

45

40

53

39

09/07/2023

23:00-07:00

45

42

42

35

10/07/2023

07:00-19:00

---

---

49

45

10/07/2023

19:00-23:00

---

---

50

39

10/07/2023

23:00-07:00

45

42

42

36

11/07/2023

07:00-19:00

---

---

47

40

11/07/2023

19:00-23:00

34

34

48

45

11/07/2023

23:00-07:00

37

35

41

35

12/07/2023

07:00-19:00

---

---

50

46

12/07/2023

19:00-23:00

---

---

47

39

12/07/2023

23:00-07:00

44

39

44

33

13/07/2023

07:00-19:00

---

---

51

45

13/07/2023

19:00-23:00

---

---

49

42

13/07/2023

23:00-07:00

44

37

42

30

14/07/2023

07:00-19:00

---

---

45

39

14/07/2023

19:00-23:00

44

36

48

38

14/07/2023

23:00-07:00

38

38

45

37

15/07/2023

07:00-19:00

---

---

41

38

15/07/2023

19:00-23:00

---

---

45

36

15/07/2023

23:00-07:00

45

43

45

32

16/07/2023

07:00-23:00

52

39

41

37

16/07/2023

23:00-07:00

21

21

16

16

17/07/2023

07:00-19:00

---

---

---

---

17/07/2023

19:00-23:00

---

---

---

---

17/07/2023

23:00-07:00

---

---

---

---

18/07/2023

07:00-19:00

---

---

47

39

18/07/2023

19:00-23:00

37

35

45

39

18/07/2023

23:00-07:00

42

33

45

43

19/07/2023

07:00-19:00

---

---

45

40

19/07/2023

19:00-23:00

---

---

44

37

19/07/2023

23:00-07:00

45

44

45

39

20/07/2023

07:00-19:00

51

51

42

35

20/07/2023

19:00-23:00

---

---

42

35

20/07/2023

23:00-07:00

44

42

44

38

21/07/2023

07:00-19:00

50

49

41

36

21/07/2023

19:00-23:00

---

---

50

40

21/07/2023

23:00-07:00

36

36

45

38

22/07/2023

07:00-19:00

47

42

40

37

22/07/2023

19:00-23:00

33

33

42

37

22/07/2023

23:00-07:00

44

36

44

38

23/07/2023

07:00-23:00

47

42

55

35

23/07/2023

23:00-07:00

---

---

45

35

24/07/2023

07:00-19:00

44

44

47

45

24/07/2023

19:00-23:00

---

---

47

38

24/07/2023

23:00-07:00

44

44

42

35

25/07/2023

07:00-19:00

63

63

29

29

25/07/2023

19:00-23:00

40

40

47

38

25/07/2023

23:00-07:00

---

---

42

36

26/07/2023

07:00-19:00

49

49

37

35

26/07/2023

19:00-23:00

---

---

47

38

26/07/2023

23:00-07:00

45

43

44

36

27/07/2023

07:00-19:00

56

56

43

37

27/07/2023

19:00-23:00

---

---

60

42

27/07/2023

23:00-07:00

38

38

45

43

28/07/2023

07:00-19:00

---

---

47

36

28/07/2023

19:00-23:00

---

---

42

34

28/07/2023

23:00-07:00

45

40

45

41

29/07/2023

07:00-19:00

---

---

51

39

29/07/2023

19:00-23:00

50

43

46

40

29/07/2023

23:00-07:00

39

37

45

43

30/07/2023

07:00-23:00

40

33

50

41

30/07/2023

23:00-07:00

45

34

45

40

31/07/2023

07:00-19:00

---

---

49

42

31/07/2023

19:00-23:00

---

---

45

41

31/07/2023

23:00-07:00

27

27

45

42

 

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).