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

01/05/2021

07:00-23:00

---

---

01/05/2021

23:00-07:00

---

---

02/05/2021

07:00-23:00

40

37

02/05/2021

23:00-07:00

---

---

03/05/2021

07:00-23:00

---

---

03/05/2021

23:00-07:00

38

38

04/05/2021

07:00-23:00

---

---

04/05/2021

23:00-07:00

45

43

05/05/2021

07:00-23:00

---

---

05/05/2021

23:00-07:00

46

42

06/05/2021

07:00-23:00

---

---

06/05/2021

23:00-07:00

37

37

07/05/2021

07:00-23:00

---

---

07/05/2021

23:00-07:00

---

---

08/05/2021

07:00-23:00

---

---

08/05/2021

23:00-07:00

---

---

09/05/2021

07:00-23:00

41

40

09/05/2021

23:00-07:00

49

45

10/05/2021

07:00-23:00

31

31

10/05/2021

23:00-07:00

---

---

11/05/2021

07:00-23:00

56

54

11/05/2021

23:00-07:00

38

36

12/05/2021

07:00-23:00

---

---

12/05/2021

23:00-07:00

---

---

13/05/2021

07:00-23:00

---

---

13/05/2021

23:00-07:00

---

---

14/05/2021

07:00-23:00

---

---

14/05/2021

23:00-07:00

38

38

15/05/2021

07:00-23:00

---

---

15/05/2021

23:00-07:00

48

46

16/05/2021

07:00-23:00

44

41

16/05/2021

23:00-07:00

---

---

17/05/2021

07:00-23:00

---

---

17/05/2021

23:00-07:00

---

---

18/05/2021

07:00-23:00

---

---

18/05/2021

23:00-07:00

---

---

19/05/2021

07:00-23:00

47

45

19/05/2021

23:00-07:00

43

41

20/05/2021

07:00-23:00

---

---

20/05/2021

23:00-07:00

47

44

21/05/2021

07:00-23:00

46

46

21/05/2021

23:00-07:00

45

45

22/05/2021

07:00-23:00

---

---

22/05/2021

23:00-07:00

26

26

23/05/2021

07:00-23:00

41

41

23/05/2021

23:00-07:00

37

36

24/05/2021

07:00-23:00

38

38

24/05/2021

23:00-07:00

---

---

25/05/2021

07:00-23:00

48

45

25/05/2021

23:00-07:00

---

---

26/05/2021

07:00-23:00

---

---

26/05/2021

23:00-07:00

45

42

27/05/2021

07:00-23:00

---

---

27/05/2021

23:00-07:00

41

41

28/05/2021

07:00-23:00

53

53

28/05/2021

23:00-07:00

41

36

29/05/2021

07:00-23:00

48

45

29/05/2021

23:00-07:00

---

---

30/05/2021

07:00-23:00

50

45

30/05/2021

23:00-07:00

---

---

31/05/2021

07:00-23:00

53

50

31/05/2021

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

01/05/2021

07:00-23:00

48

37

28

28

01/05/2021

23:00-07:00

45

43

---

---

02/05/2021

07:00-23:00

48

37

53

53

02/05/2021

23:00-07:00

---

---

34

29

03/05/2021

07:00-19:00

---

---

35

35

03/05/2021

19:00-23:00

---

---

38

38

03/05/2021

23:00-07:00

45

36

35

27

04/05/2021

07:00-19:00

---

---

---

---

04/05/2021

19:00-23:00

53

38

47

40

04/05/2021

23:00-07:00

45

42

34

34

05/05/2021

07:00-19:00

---

---

47

41

05/05/2021

19:00-23:00

---

---

---

---

05/05/2021

23:00-07:00

45

39

40

33

06/05/2021

07:00-19:00

---

---

40

39

06/05/2021

19:00-23:00

---

---

---

---

06/05/2021

23:00-07:00

41

37

29

23

07/05/2021

07:00-19:00

---

---

---

---

07/05/2021

19:00-23:00

---

---

---

---

07/05/2021

23:00-07:00

36

35

---

---

08/05/2021

07:00-19:00

---

---

43

34

08/05/2021

19:00-23:00

---

---

---

---

08/05/2021

23:00-07:00

---

---

---

---

09/05/2021

07:00-23:00

56

41

35

35

09/05/2021

23:00-07:00

45

37

---

---

10/05/2021

07:00-19:00

31

31

46

37

10/05/2021

19:00-23:00

---

---

---

---

10/05/2021

23:00-07:00

45

32

---

---

11/05/2021

07:00-19:00

56

54

47

32

11/05/2021

19:00-23:00

---

---

---

---

11/05/2021

23:00-07:00

44

35

---

---

12/05/2021

07:00-19:00

---

---

40

40

12/05/2021

19:00-23:00

---

---

---

---

12/05/2021

23:00-07:00

43

39

---

---

13/05/2021

07:00-19:00

---

---

---

---

13/05/2021

19:00-23:00

---

---

---

---

13/05/2021

23:00-07:00

37

37

---

---

14/05/2021

07:00-19:00

---

---

---

---

14/05/2021

19:00-23:00

---

---

45

34

14/05/2021

23:00-07:00

44

37

31

31

15/05/2021

07:00-19:00

---

---

---

---

15/05/2021

19:00-23:00

---

---

39

39

15/05/2021

23:00-07:00

43

42

36

36

16/05/2021

07:00-23:00

48

40

47

41

16/05/2021

23:00-07:00

35

31

---

---

17/05/2021

07:00-19:00

---

---

---

---

17/05/2021

19:00-23:00

---

---

---

---

17/05/2021

23:00-07:00

37

30

40

33

18/05/2021

07:00-19:00

---

---

---

---

18/05/2021

19:00-23:00

---

---

46

44

18/05/2021

23:00-07:00

41

41

38

37

19/05/2021

07:00-23:00

47

39

43

36

19/05/2021

23:00-07:00

43

37

43

30

20/05/2021

07:00-19:00

---

---

---

---

20/05/2021

19:00-23:00

---

---

---

---

20/05/2021

23:00-07:00

45

41

---

---

21/05/2021

07:00-19:00

46

46

---

---

21/05/2021

19:00-23:00

---

---

41

31

21/05/2021

23:00-07:00

45

42

41

31

22/05/2021

07:00-19:00

---

---

31

31

22/05/2021

19:00-23:00

---

---

37

30

22/05/2021

23:00-07:00

44

35

42

31

23/05/2021

07:00-23:00

45

38

43

40

23/05/2021

23:00-07:00

42

35

35

31

24/05/2021

07:00-19:00

38

38

---

---

24/05/2021

19:00-23:00

---

---

40

37

24/05/2021

23:00-07:00

41

39

33

33

25/05/2021

07:00-19:00

48

43

---

---

25/05/2021

19:00-23:00

---

---

---

---

25/05/2021

23:00-07:00

38

34

45

45

26/05/2021

07:00-19:00

---

---

---

---

26/05/2021

19:00-23:00

---

---

---

---

26/05/2021

23:00-07:00

45

39

30

29

27/05/2021

07:00-19:00

---

---

---

---

27/05/2021

19:00-23:00

36

36

44

38

27/05/2021

23:00-07:00

43

41

---

---

28/05/2021

07:00-19:00

53

53

---

---

28/05/2021

19:00-23:00

---

---

45

40

28/05/2021

23:00-07:00

42

36

35

26

29/05/2021

07:00-19:00

48

36

---

---

29/05/2021

19:00-23:00

---

---

35

33

29/05/2021

23:00-07:00

45

45

43

38

30/05/2021

07:00-23:00

60

45

41

41

30/05/2021

23:00-07:00

44

40

36

36

31/05/2021

07:00-19:00

53

53

---

---

31/05/2021

19:00-23:00

53

41

46

42

31/05/2021

23:00-07:00

41

37

37

32

 

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).