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

01/07/2021

07:00-23:00

---

---

01/07/2021

23:00-07:00

---

---

02/07/2021

07:00-23:00

47

47

02/07/2021

23:00-07:00

---

---

03/07/2021

07:00-23:00

45

45

03/07/2021

23:00-07:00

33

32

04/07/2021

07:00-23:00

51

47

04/07/2021

23:00-07:00

39

37

05/07/2021

07:00-23:00

46

43

05/07/2021

23:00-07:00

---

---

06/07/2021

07:00-23:00

44

41

06/07/2021

23:00-07:00

44

44

07/07/2021

07:00-23:00

50

48

07/07/2021

23:00-07:00

40

40

08/07/2021

07:00-23:00

---

---

08/07/2021

23:00-07:00

40

36

09/07/2021

07:00-23:00

43

42

09/07/2021

23:00-07:00

35

35

10/07/2021

07:00-23:00

48

48

10/07/2021

23:00-07:00

---

---

11/07/2021

07:00-23:00

31

31

11/07/2021

23:00-07:00

50

45

12/07/2021

07:00-23:00

35

35

12/07/2021

23:00-07:00

---

---

13/07/2021

07:00-23:00

---

---

13/07/2021

23:00-07:00

43

43

14/07/2021

07:00-23:00

33

33

14/07/2021

23:00-07:00

---

---

15/07/2021

07:00-23:00

---

---

15/07/2021

23:00-07:00

---

---

16/07/2021

07:00-23:00

---

---

16/07/2021

23:00-07:00

---

---

17/07/2021

07:00-23:00

---

---

17/07/2021

23:00-07:00

45

45

18/07/2021

07:00-23:00

43

41

18/07/2021

23:00-07:00

38

35

19/07/2021

07:00-23:00

---

---

19/07/2021

23:00-07:00

---

---

20/07/2021

07:00-23:00

---

---

20/07/2021

23:00-07:00

45

45

21/07/2021

07:00-23:00

---

---

21/07/2021

23:00-07:00

---

---

22/07/2021

07:00-23:00

---

---

22/07/2021

23:00-07:00

---

---

23/07/2021

07:00-23:00

---

---

23/07/2021

23:00-07:00

35

35

24/07/2021

07:00-23:00

46

44

24/07/2021

23:00-07:00

---

---

25/07/2021

07:00-23:00

47

46

25/07/2021

23:00-07:00

41

40

26/07/2021

07:00-23:00

37

37

26/07/2021

23:00-07:00

---

---

27/07/2021

07:00-23:00

---

---

27/07/2021

23:00-07:00

---

---

28/07/2021

07:00-23:00

50

50

28/07/2021

23:00-07:00

---

---

29/07/2021

07:00-23:00

---

---

29/07/2021

23:00-07:00

44

39

30/07/2021

07:00-23:00

45

45

30/07/2021

23:00-07:00

44

40

31/07/2021

07:00-23:00

---

---

31/07/2021

23:00-07:00

47

45

 

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

01/07/2021

07:00-23:00

53

39

50

38

01/07/2021

23:00-07:00

---

---

45

34

02/07/2021

07:00-19:00

47

47

44

37

02/07/2021

19:00-23:00

---

---

50

43

02/07/2021

23:00-07:00

---

---

44

35

03/07/2021

07:00-19:00

45

45

42

38

03/07/2021

19:00-23:00

---

---

47

45

03/07/2021

23:00-07:00

42

35

45

33

04/07/2021

07:00-23:00

51

44

47

37

04/07/2021

23:00-07:00

45

36

38

32

05/07/2021

07:00-19:00

46

41

48

38

05/07/2021

19:00-23:00

---

---

45

40

05/07/2021

23:00-07:00

43

40

43

34

06/07/2021

07:00-19:00

44

44

40

40

06/07/2021

19:00-23:00

44

36

42

39

06/07/2021

23:00-07:00

44

39

44

36

07/07/2021

07:00-19:00

50

47

39

38

07/07/2021

19:00-23:00

---

---

44

40

07/07/2021

23:00-07:00

40

40

42

33

08/07/2021

07:00-19:00

---

---

42

39

08/07/2021

19:00-23:00

---

---

44

35

08/07/2021

23:00-07:00

44

37

43

35

09/07/2021

07:00-19:00

---

---

41

36

09/07/2021

19:00-23:00

44

39

44

33

09/07/2021

23:00-07:00

39

35

42

33

10/07/2021

07:00-19:00

48

48

42

37

10/07/2021

19:00-23:00

---

---

45

31

10/07/2021

23:00-07:00

43

34

44

30

11/07/2021

07:00-23:00

57

41

46

39

11/07/2021

23:00-07:00

45

43

41

33

12/07/2021

07:00-19:00

35

35

41

37

12/07/2021

19:00-23:00

---

---

45

38

12/07/2021

23:00-07:00

---

---

44

37

13/07/2021

07:00-19:00

---

---

40

34

13/07/2021

19:00-23:00

---

---

48

40

13/07/2021

23:00-07:00

43

43

42

32

14/07/2021

07:00-19:00

33

33

37

34

14/07/2021

19:00-23:00

---

---

45

41

14/07/2021

23:00-07:00

---

---

44

35

15/07/2021

07:00-19:00

---

---

40

33

15/07/2021

19:00-23:00

---

---

40

32

15/07/2021

23:00-07:00

44

44

45

40

16/07/2021

07:00-19:00

---

---

43

35

16/07/2021

19:00-23:00

---

---

45

33

16/07/2021

23:00-07:00

43

42

44

36

17/07/2021

07:00-19:00

---

---

44

34

17/07/2021

19:00-23:00

---

---

44

44

17/07/2021

23:00-07:00

45

42

42

34

18/07/2021

07:00-23:00

50

40

49

34

18/07/2021

23:00-07:00

43

32

43

31

19/07/2021

07:00-19:00

---

---

37

34

19/07/2021

19:00-23:00

34

33

38

34

19/07/2021

23:00-07:00

38

36

45

36

20/07/2021

07:00-19:00

---

---

40

40

20/07/2021

19:00-23:00

---

---

40

36

20/07/2021

23:00-07:00

45

37

40

33

21/07/2021

07:00-19:00

---

---

37

34

21/07/2021

19:00-23:00

---

---

48

37

21/07/2021

23:00-07:00

---

---

38

32

22/07/2021

07:00-19:00

---

---

49

46

22/07/2021

19:00-23:00

---

---

27

22

22/07/2021

23:00-07:00

26

26

35

27

23/07/2021

07:00-19:00

---

---

---

---

23/07/2021

19:00-23:00

---

---

30

27

23/07/2021

23:00-07:00

36

31

37

32

24/07/2021

07:00-19:00

46

46

---

---

24/07/2021

19:00-23:00

51

44

41

37

24/07/2021

23:00-07:00

43

40

45

33

25/07/2021

07:00-23:00

52

41

40

33

25/07/2021

23:00-07:00

43

38

40

33

26/07/2021

07:00-19:00

37

37

---

---

26/07/2021

19:00-23:00

---

---

40

35

26/07/2021

23:00-07:00

35

35

45

31

27/07/2021

07:00-19:00

---

---

---

---

27/07/2021

19:00-23:00

---

---

16

16

27/07/2021

23:00-07:00

42

42

37

30

28/07/2021

07:00-19:00

50

50

---

---

28/07/2021

19:00-23:00

---

---

---

---

28/07/2021

23:00-07:00

44

39

---

---

29/07/2021

07:00-19:00

---

---

---

---

29/07/2021

19:00-23:00

---

---

---

---

29/07/2021

23:00-07:00

45

32

41

35

30/07/2021

07:00-19:00

45

45

---

---

30/07/2021

19:00-23:00

---

---

45

32

30/07/2021

23:00-07:00

45

39

42

35

31/07/2021

07:00-19:00

---

---

41

41

31/07/2021

19:00-23:00

---

---

40

35

31/07/2021

23:00-07:00

44

40

39

33

 

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).