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

1/9/2024

07:00-23:00

---

---

1/9/2024

23:00-07:00

49

49

2/9/2024

07:00-23:00

---

---

2/9/2024

23:00-07:00

---

---

3/9/2024

07:00-23:00

38

38

3/9/2024

23:00-07:00

---

---

4/9/2024

07:00-23:00

---

---

4/9/2024

23:00-07:00

---

---

5/9/2024

07:00-23:00

---

---

5/9/2024

23:00-07:00

---

---

6/9/2024

07:00-23:00

---

---

6/9/2024

23:00-07:00

---

---

7/9/2024

07:00-23:00

52

52

7/9/2024

23:00-07:00

---

---

8/9/2024

07:00-23:00

43

43

8/9/2024

23:00-07:00

---

---

9/9/2024

07:00-23:00

---

---

9/9/2024

23:00-07:00

---

---

10/9/2024

07:00-23:00

55

54

10/9/2024

23:00-07:00

42

42

11/9/2024

07:00-23:00

44

44

11/9/2024

23:00-07:00

---

---

12/9/2024

07:00-23:00

39

39

12/9/2024

23:00-07:00

---

---

13/9/2024

07:00-23:00

---

---

13/9/2024

23:00-07:00

---

---

14/9/2024

07:00-23:00

---

---

14/9/2024

23:00-07:00

49

49

15/9/2024

07:00-23:00

54

51

15/9/2024

23:00-07:00

---

---

16/9/2024

07:00-23:00

---

---

16/9/2024

23:00-07:00

48

48

17/9/2024

07:00-23:00

56

53

17/9/2024

23:00-07:00

48

48

18/9/2024

07:00-23:00

---

---

18/9/2024

23:00-07:00

---

---

19/9/2024

07:00-23:00

---

---

19/9/2024

23:00-07:00

---

---

20/9/2024

07:00-23:00

51

51

20/9/2024

23:00-07:00

---

---

21/9/2024

07:00-23:00

60

59

21/9/2024

23:00-07:00

---

---

22/9/2024

07:00-23:00

47

44

22/9/2024

23:00-07:00

---

---

23/9/2024

07:00-23:00

43

43

23/9/2024

23:00-07:00

---

---

24/9/2024

07:00-23:00

---

---

24/9/2024

23:00-07:00

45

45

25/9/2024

07:00-23:00

52

51

25/9/2024

23:00-07:00

13

13

26/9/2024

07:00-23:00

59

55

26/9/2024

23:00-07:00

37

37

27/9/2024

07:00-23:00

59

55

27/9/2024

23:00-07:00

---

---

28/9/2024

07:00-23:00

60

60

28/9/2024

23:00-07:00

---

---

29/9/2024

07:00-23:00

60

60

29/9/2024

23:00-07:00

47

44

30/9/2024

07:00-23:00

37

37

30/9/2024

23:00-07:00

---

---

 

Note: “---“ represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind/ bird sound.

 

 

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

1/09/2024

07:00-23:00

52

42

49

35

1/09/2024

23:00-07:00

43

42

43

40

2/09/2024

07:00-19:00

---

---

33

33

2/09/2024

19:00-23:00

---

---

---

---

2/09/2024

23:00-07:00

---

---

44

39

3/09/2024

07:00-19:00

---

---

47

38

3/09/2024

19:00-23:00

38

37

39

31

3/09/2024

23:00-07:00

32

27

45

35

4/09/2024

07:00-19:00

---

---

45

38

4/09/2024

19:00-23:00

---

---

37

30

4/09/2024

23:00-07:00

---

---

33

28

5/09/2024

07:00-19:00

---

---

57

47

5/09/2024

19:00-23:00

---

---

---

---

5/09/2024

23:00-07:00

45

40

45

38

6/09/2024

07:00-19:00

---

---

---

---

6/09/2024

19:00-23:00

---

---

---

---

6/09/2024

23:00-07:00

---

---

---

---

7/09/2024

07:00-19:00

52

52

63

59

7/09/2024

19:00-23:00

---

---

60

59

7/09/2024

23:00-07:00

43

41

45

39

8/09/2024

07:00-23:00

47

37

59

47

8/09/2024

23:00-07:00

27

27

45

36

9/09/2024

07:00-19:00

---

---

64

41

9/09/2024

19:00-23:00

---

---

48

39

9/09/2024

23:00-07:00

44

37

45

36

10/09/2024

07:00-19:00

55

54

60

53

10/09/2024

19:00-23:00

---

---

57

45

10/09/2024

23:00-07:00

42

42

44

38

11/09/2024

07:00-19:00

44

44

47

40

11/09/2024

19:00-23:00

---

---

46

37

11/09/2024

23:00-07:00

23

23

34

27

12/09/2024

07:00-19:00

39

39

39

38

12/09/2024

19:00-23:00

31

31

50

43

12/09/2024

23:00-07:00

---

---

45

41

13/09/2024

07:00-19:00

---

---

52

46

13/09/2024

19:00-23:00

---

---

57

50

13/09/2024

23:00-07:00

---

---

45

39

14/09/2024

07:00-19:00

---

---

54

47

14/09/2024

19:00-23:00

---

---

39

36

14/09/2024

23:00-07:00

45

43

44

39

15/09/2024

07:00-23:00

54

50

49

40

15/09/2024

23:00-07:00

36

35

43

36

16/09/2024

07:00-19:00

---

---

52

47

16/09/2024

19:00-23:00

---

---

57

45

16/09/2024

23:00-07:00

35

35

45

41

17/09/2024

07:00-19:00

56

54

65

55

17/09/2024

19:00-23:00

53

47

58

46

17/09/2024

23:00-07:00

44

37

45

41

18/09/2024

07:00-23:00

---

---

60

52

18/09/2024

23:00-07:00

---

---

45

42

19/09/2024

07:00-19:00

---

---

61

54

19/09/2024

19:00-23:00

---

---

47

40

19/09/2024

23:00-07:00

---

---

42

32

20/09/2024

07:00-19:00

51

51

47

42

20/09/2024

19:00-23:00

---

---

60

41

20/09/2024

23:00-07:00

43

41

40

38

21/09/2024

07:00-19:00

60

59

69

57

21/09/2024

19:00-23:00

---

---

60

54

21/09/2024

23:00-07:00

---

---

45

42

22/09/2024

07:00-23:00

47

43

59

46

22/09/2024

23:00-07:00

28

28

45

41

23/09/2024

07:00-19:00

43

43

66

54

23/09/2024

19:00-23:00

37

32

59

47

23/09/2024

23:00-07:00

43

34

45

38

24/09/2024

07:00-19:00

---

---

57

49

24/09/2024

19:00-23:00

---

---

47

38

24/09/2024

23:00-07:00

45

43

43

36

25/09/2024

07:00-19:00

52

51

47

37

25/09/2024

19:00-23:00

---

---

49

36

25/09/2024

23:00-07:00

44

29

40

34

26/09/2024

07:00-19:00

59

51

39

33

26/09/2024

19:00-23:00

---

---

45

37

26/09/2024

23:00-07:00

39

38

41

33

27/09/2024

07:00-19:00

59

59

42

38

27/09/2024

19:00-23:00

53

45

45

37

27/09/2024

23:00-07:00

---

---

42

31

28/09/2024

07:00-19:00

60

60

60

54

28/09/2024

19:00-23:00

---

---

60

58

28/09/2024

23:00-07:00

43

43

45

39

29/09/2024

07:00-23:00

60

46

48

36

29/09/2024

23:00-07:00

43

39

38

30

30/09/2024

07:00-19:00

37

37

26

26

30/09/2024

19:00-23:00

---

---

36

33

30/09/2024

23:00-07:00

---

---

44

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).