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

01/12/2021

07:00-23:00

---

---

01/12/2021

23:00-07:00

44

42

02/12/2021

07:00-23:00

---

---

02/12/2021

23:00-07:00

43

43

03/12/2021

07:00-23:00

---

---

03/12/2021

23:00-07:00

---

---

04/12/2021

07:00-23:00

---

---

04/12/2021

23:00-07:00

---

---

05/12/2021

07:00-23:00

---

---

05/12/2021

23:00-07:00

43

43

06/12/2021

07:00-23:00

---

---

06/12/2021

23:00-07:00

36

36

07/12/2021

07:00-23:00

---

---

07/12/2021

23:00-07:00

---

---

08/12/2021

07:00-23:00

---

---

08/12/2021

23:00-07:00

41

41

09/12/2021

07:00-23:00

46

46

09/12/2021

23:00-07:00

37

37

10/12/2021

07:00-23:00

---

---

10/12/2021

23:00-07:00

38

38

11/12/2021

07:00-23:00

60

59

11/12/2021

23:00-07:00

---

---

12/12/2021

07:00-23:00

44

44

12/12/2021

23:00-07:00

42

42

13/12/2021

07:00-23:00

46

46

13/12/2021

23:00-07:00

38

38

14/12/2021

07:00-23:00

34

34

14/12/2021

23:00-07:00

32

32

15/12/2021

07:00-23:00

---

---

15/12/2021

23:00-07:00

34

34

16/12/2021

07:00-23:00

56

52

16/12/2021

23:00-07:00

45

42

17/12/2021

07:00-23:00

52

46

17/12/2021

23:00-07:00

---

---

18/12/2021

07:00-23:00

49

47

18/12/2021

23:00-07:00

---

---

19/12/2021

07:00-23:00

---

---

19/12/2021

23:00-07:00

38

36

20/12/2021

07:00-23:00

---

---

20/12/2021

23:00-07:00

38

38

21/12/2021

07:00-23:00

---

---

21/12/2021

23:00-07:00

42

42

22/12/2021

07:00-23:00

---

---

22/12/2021

23:00-07:00

28

28

23/12/2021

07:00-23:00

---

---

23/12/2021

23:00-07:00

40

40

24/12/2021

07:00-23:00

---

---

24/12/2021

23:00-07:00

43

42

25/12/2021

07:00-23:00

45

42

25/12/2021

23:00-07:00

42

42

26/12/2021

07:00-23:00

52

48

26/12/2021

23:00-07:00

50

50

27/12/2021

07:00-23:00

57

50

27/12/2021

23:00-07:00

47

43

28/12/2021

07:00-23:00

---

---

28/12/2021

23:00-07:00

37

37

29/12/2021

07:00-23:00

47

44

29/12/2021

23:00-07:00

43

42

30/12/2021

07:00-23:00

---

---

30/12/2021

23:00-07:00

29

29

31/12/2021

07:00-23:00

---

---

31/12/2021

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

01/12/2021

07:00-19:00

---

---

53

49

01/12/2021

19:00-23:00

---

---

---

---

01/12/2021

23:00-07:00

44

41

38

34

02/12/2021

07:00-19:00

---

---

48

46

02/12/2021

19:00-23:00

---

---

36

32

02/12/2021

23:00-07:00

45

43

43

38

03/12/2021

07:00-19:00

---

---

38

37

03/12/2021

19:00-23:00

---

---

37

33

03/12/2021

23:00-07:00

---

---

35

35

04/12/2021

07:00-19:00

---

---

42

39

04/12/2021

19:00-23:00

---

---

41

35

04/12/2021

23:00-07:00

---

---

43

37

05/12/2021

07:00-23:00

49

41

46

34

05/12/2021

23:00-07:00

43

41

42

37

06/12/2021

07:00-19:00

---

---

41

35

06/12/2021

19:00-23:00

---

---

42

39

06/12/2021

23:00-07:00

45

41

43

37

07/12/2021

07:00-19:00

---

---

45

33

07/12/2021

19:00-23:00

---

---

41

37

07/12/2021

23:00-07:00

42

37

42

36

08/12/2021

07:00-19:00

---

---

43

38

08/12/2021

19:00-23:00

---

---

40

35

08/12/2021

23:00-07:00

42

38

40

33

09/12/2021

07:00-19:00

46

46

65

55

09/12/2021

19:00-23:00

42

42

38

38

09/12/2021

23:00-07:00

43

40

42

36

10/12/2021

07:00-19:00

---

---

58

47

10/12/2021

19:00-23:00

---

---

41

32

10/12/2021

23:00-07:00

42

38

41

34

11/12/2021

07:00-19:00

69

63

52

50

11/12/2021

19:00-23:00

---

---

38

30

11/12/2021

23:00-07:00

---

---

41

34

12/12/2021

07:00-23:00

45

41

45

38

12/12/2021

23:00-07:00

45

41

40

35

13/12/2021

07:00-19:00

46

46

50

44

13/12/2021

19:00-23:00

---

---

48

36

13/12/2021

23:00-07:00

44

39

44

34

14/12/2021

07:00-19:00

34

34

53

42

14/12/2021

19:00-23:00

52

52

26

26

14/12/2021

23:00-07:00

44

36

44

35

15/12/2021

07:00-19:00

---

---

55

44

15/12/2021

19:00-23:00

---

---

48

40

15/12/2021

23:00-07:00

43

38

43

38

16/12/2021

07:00-19:00

56

53

59

48

16/12/2021

19:00-23:00

46

39

51

36

16/12/2021

23:00-07:00

45

38

40

29

17/12/2021

07:00-19:00

52

45

64

49

17/12/2021

19:00-23:00

---

---

35

31

17/12/2021

23:00-07:00

44

37

42

37

18/12/2021

07:00-19:00

49

47

61

50

18/12/2021

19:00-23:00

---

---

---

---

18/12/2021

23:00-07:00

36

36

37

33

19/12/2021

07:00-23:00

---

---

52

41

19/12/2021

23:00-07:00

43

37

42

38

20/12/2021

07:00-19:00

---

---

56

50

20/12/2021

19:00-23:00

---

---

33

28

20/12/2021

23:00-07:00

45

38

45

39

21/12/2021

07:00-19:00

---

---

55

44

21/12/2021

19:00-23:00

---

---

38

35

21/12/2021

23:00-07:00

44

40

43

35

22/12/2021

07:00-19:00

---

---

52

44

22/12/2021

19:00-23:00

---

---

47

44

22/12/2021

23:00-07:00

38

34

43

38

23/12/2021

07:00-19:00

---

---

48

42

23/12/2021

19:00-23:00

---

---

42

39

23/12/2021

23:00-07:00

44

40

43

38

24/12/2021

07:00-19:00

---

---

57

42

24/12/2021

19:00-23:00

---

---

50

38

24/12/2021

23:00-07:00

44

38

44

38

25/12/2021

07:00-23:00

47

40

49

36

25/12/2021

23:00-07:00

45

40

42

35

26/12/2021

07:00-23:00

53

46

41

35

26/12/2021

23:00-07:00

43

38

43

39

27/12/2021

07:00-23:00

57

43

57

36

27/12/2021

23:00-07:00

45

40

43

37

28/12/2021

07:00-19:00

---

---

50

40

28/12/2021

19:00-23:00

---

---

40

34

28/12/2021

23:00-07:00

45

36

44

37

29/12/2021

07:00-19:00

47

46

60

54

29/12/2021

19:00-23:00

48

44

36

31

29/12/2021

23:00-07:00

45

40

44

36

30/12/2021

07:00-19:00

---

---

61

57

30/12/2021

19:00-23:00

---

---

40

34

30/12/2021

23:00-07:00

36

33

43

34

31/12/2021

07:00-19:00

---

---

56

42

31/12/2021

19:00-23:00

---

---

45

40

31/12/2021

23:00-07:00

32

32

44

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).