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

01/07/2022

07:00-23:00

---

---

01/07/2022

23:00-07:00

---

---

02/07/2022

07:00-23:00

---

---

02/07/2022

23:00-07:00

---

---

03/07/2022

07:00-23:00

---

---

03/07/2022

23:00-07:00

42

40

04/07/2022

07:00-23:00

---

---

04/07/2022

23:00-07:00

---

---

05/07/2022

07:00-23:00

---

---

05/07/2022

23:00-07:00

44

41

06/07/2022

07:00-23:00

48

48

06/07/2022

23:00-07:00

42

42

07/07/2022

07:00-23:00

---

---

07/07/2022

23:00-07:00

---

---

08/07/2022

07:00-23:00

---

---

08/07/2022

23:00-07:00

41

39

09/07/2022

07:00-23:00

50

50

09/07/2022

23:00-07:00

28

28

10/07/2022

07:00-23:00

39

37

10/07/2022

23:00-07:00

36

36

11/07/2022

07:00-23:00

---

---

11/07/2022

23:00-07:00

29

29

12/07/2022

07:00-23:00

48

48

12/07/2022

23:00-07:00

---

---

13/07/2022

07:00-23:00

---

---

13/07/2022

23:00-07:00

---

---

14/07/2022

07:00-23:00

40

40

14/07/2022

23:00-07:00

37

37

15/07/2022

07:00-23:00

38

38

15/07/2022

23:00-07:00

45

41

16/07/2022

07:00-23:00

---

---

16/07/2022

23:00-07:00

---

---

17/07/2022

07:00-23:00

---

---

17/07/2022

23:00-07:00

41

41

18/07/2022

07:00-23:00

---

---

18/07/2022

23:00-07:00

32

32

19/07/2022

07:00-23:00

---

---

19/07/2022

23:00-07:00

---

---

20/07/2022

07:00-23:00

---

---

20/07/2022

23:00-07:00

---

---

21/07/2022

07:00-23:00

50

46

21/07/2022

23:00-07:00

33

33

22/07/2022

07:00-23:00

---

---

22/07/2022

23:00-07:00

---

---

23/07/2022

07:00-23:00

58

58

23/07/2022

23:00-07:00

---

---

24/07/2022

07:00-23:00

---

---

24/07/2022

23:00-07:00

45

42

25/07/2022

07:00-23:00

---

---

25/07/2022

23:00-07:00

---

---

26/07/2022

07:00-23:00

---

---

26/07/2022

23:00-07:00

---

---

27/07/2022

07:00-23:00

---

---

27/07/2022

23:00-07:00

---

---

28/07/2022

07:00-23:00

48

45

28/07/2022

23:00-07:00

43

39

29/07/2022

07:00-23:00

---

---

29/07/2022

23:00-07:00

39

39

30/07/2022

07:00-23:00

33

33

30/07/2022

23:00-07:00

---

---

31/07/2022

07:00-23:00

38

38

31/07/2022

23:00-07:00

46

41

 

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

01/07/2022

07:00-23:00

50

40

44

36

01/07/2022

23:00-07:00

---

---

---

---

02/07/2022

07:00-19:00

---

---

---

---

02/07/2022

19:00-23:00

---

---

---

---

02/07/2022

23:00-07:00

---

---

---

---

03/07/2022

07:00-23:00

---

---

50

36

03/07/2022

23:00-07:00

44

38

44

38

04/07/2022

07:00-19:00

---

---

46

43

04/07/2022

19:00-23:00

---

---

54

40

04/07/2022

23:00-07:00

---

---

43

37

05/07/2022

07:00-19:00

---

---

54

42

05/07/2022

19:00-23:00

40

40

49

41

05/07/2022

23:00-07:00

45

42

45

39

06/07/2022

07:00-19:00

48

48

58

41

06/07/2022

19:00-23:00

---

---

50

41

06/07/2022

23:00-07:00

42

40

43

35

07/07/2022

07:00-19:00

---

---

51

41

07/07/2022

19:00-23:00

41

41

44

34

07/07/2022

23:00-07:00

22

22

45

38

08/07/2022

07:00-19:00

---

---

50

40

08/07/2022

19:00-23:00

---

---

48

37

08/07/2022

23:00-07:00

41

35

45

39

09/07/2022

07:00-19:00

50

50

48

41

09/07/2022

19:00-23:00

29

29

46

42

09/07/2022

23:00-07:00

28

28

45

37

10/07/2022

07:00-23:00

52

41

48

40

10/07/2022

23:00-07:00

37

34

42

35

11/07/2022

07:00-19:00

---

---

51

37

11/07/2022

19:00-23:00

---

---

46

38

11/07/2022

23:00-07:00

40

38

45

35

12/07/2022

07:00-19:00

48

48

40

36

12/07/2022

19:00-23:00

---

---

46

44

12/07/2022

23:00-07:00

35

35

43

35

13/07/2022

07:00-19:00

---

---

43

38

13/07/2022

19:00-23:00

---

---

46

35

13/07/2022

23:00-07:00

34

30

45

34

14/07/2022

07:00-19:00

40

40

43

36

14/07/2022

19:00-23:00

---

---

45

35

14/07/2022

23:00-07:00

37

37

45

35

15/07/2022

07:00-19:00

38

38

46

41

15/07/2022

19:00-23:00

---

---

48

38

15/07/2022

23:00-07:00

45

40

42

37

16/07/2022

07:00-19:00

---

---

60

41

16/07/2022

19:00-23:00

---

---

44

38

16/07/2022

23:00-07:00

40

40

45

37

17/07/2022

07:00-23:00

---

---

44

36

17/07/2022

23:00-07:00

43

40

45

36

18/07/2022

07:00-19:00

---

---

44

38

18/07/2022

19:00-23:00

---

---

49

39

18/07/2022

23:00-07:00

34

33

45

37

19/07/2022

07:00-19:00

---

---

45

37

19/07/2022

19:00-23:00

37

37

44

37

19/07/2022

23:00-07:00

39

32

44

36

20/07/2022

07:00-19:00

---

---

50

37

20/07/2022

19:00-23:00

---

---

46

39

20/07/2022

23:00-07:00

42

42

43

35

21/07/2022

07:00-19:00

---

---

42

35

21/07/2022

19:00-23:00

52

43

43

32

21/07/2022

23:00-07:00

38

35

44

39

22/07/2022

07:00-19:00

---

---

40

37

22/07/2022

19:00-23:00

---

---

46

35

22/07/2022

23:00-07:00

38

38

45

38

23/07/2022

07:00-19:00

58

58

44

37

23/07/2022

19:00-23:00

---

---

40

34

23/07/2022

23:00-07:00

---

---

43

34

24/07/2022

07:00-23:00

54

41

41

32

24/07/2022

23:00-07:00

45

39

40

33

25/07/2022

07:00-19:00

---

---

40

36

25/07/2022

19:00-23:00

---

---

50

37

25/07/2022

23:00-07:00

---

---

45

36

26/07/2022

07:00-19:00

---

---

51

45

26/07/2022

19:00-23:00

---

---

53

36

26/07/2022

23:00-07:00

---

---

42

34

27/07/2022

07:00-19:00

---

---

51

44

27/07/2022

19:00-23:00

---

---

53

33

27/07/2022

23:00-07:00

---

---

44

37

28/07/2022

07:00-19:00

48

33

41

31

28/07/2022

19:00-23:00

---

---

47

34

28/07/2022

23:00-07:00

43

36

40

34

29/07/2022

07:00-19:00

---

---

60

49

29/07/2022

19:00-23:00

---

---

48

36

29/07/2022

23:00-07:00

45

39

45

34

30/07/2022

07:00-19:00

33

33

43

38

30/07/2022

19:00-23:00

---

---

42

36

30/07/2022

23:00-07:00

36

36

38

31

31/07/2022

07:00-23:00

43

38

40

33

31/07/2022

23:00-07:00

42

37

37

34

 

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).