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

1/2/2021

07:00-23:00

---

---

1/2/2021

23:00-07:00

38

36

2/2/2021

07:00-23:00

32

32

2/2/2021

23:00-07:00

42

40

3/2/2021

07:00-23:00

28

28

3/2/2021

23:00-07:00

32

32

4/2/2021

07:00-23:00

49

47

4/2/2021

23:00-07:00

38

36

5/2/2021

07:00-23:00

---

---

5/2/2021

23:00-07:00

48

43

6/2/2021

07:00-23:00

---

---

6/2/2021

23:00-07:00

31

31

7/2/2021

07:00-23:00

---

---

7/2/2021

23:00-07:00

50

47

8/2/2021

07:00-23:00

42

42

8/2/2021

23:00-07:00

40

37

9/2/2021

07:00-23:00

37

37

9/2/2021

23:00-07:00

---

---

10/2/2021

07:00-23:00

---

---

10/2/2021

23:00-07:00

38

36

11/2/2021

07:00-23:00

---

---

11/2/2021

23:00-07:00

38

35

12/2/2021

07:00-23:00

---

---

12/2/2021

23:00-07:00

---

---

13/2/2021

07:00-23:00

46

44

13/2/2021

23:00-07:00

35

35

14/2/2021

07:00-23:00

---

---

14/2/2021

23:00-07:00

---

---

15/2/2021

07:00-23:00

36

36

15/2/2021

23:00-07:00

---

---

16/2/2021

07:00-23:00

---

---

16/2/2021

23:00-07:00

49

44

17/2/2021

07:00-23:00

---

---

17/2/2021

23:00-07:00

37

37

18/2/2021

07:00-23:00

47

47

18/2/2021

23:00-07:00

---

---

19/2/2021

07:00-23:00

---

---

19/2/2021

23:00-07:00

---

---

20/2/2021

07:00-23:00

---

---

20/2/2021

23:00-07:00

49

48

21/2/2021

07:00-23:00

44

44

21/2/2021

23:00-07:00

43

37

22/2/2021

07:00-23:00

---

---

22/2/2021

23:00-07:00

50

45

23/2/2021

07:00-23:00

48

46

23/2/2021

23:00-07:00

49

45

24/2/2021

07:00-23:00

---

---

24/2/2021

23:00-07:00

---

---

25/2/2021

07:00-23:00

---

---

25/2/2021

23:00-07:00

47

43

26/2/2021

07:00-23:00

---

---

26/2/2021

23:00-07:00

43

41

27/2/2021

07:00-23:00

---

---

27/2/2021

23:00-07:00

37

36

28/2/2021

07:00-23:00

---

---

28/2/2021

23:00-07:00

38

37

 

Note:

a.  * Unit L9 was not on load.

b.  ---" 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

01/02/2021

07:00-19:00

---

---

34

33

01/02/2021

19:00-23:00

---

---

32

26

01/02/2021

23:00-07:00

42

36

37

31

02/02/2021

07:00-19:00

---

---

41

37

02/02/2021

19:00-23:00

40

34

44

32

02/02/2021

23:00-07:00

45

37

42

35

03/02/2021

07:00-19:00

28

28

43

37

03/02/2021

19:00-23:00

---

---

36

31

03/02/2021

23:00-07:00

37

33

38

33

04/02/2021

07:00-19:00

49

46

54

39

04/02/2021

19:00-23:00

---

---

39

35

04/02/2021

23:00-07:00

43

37

38

32

05/02/2021

07:00-19:00

---

---

58

45

05/02/2021

19:00-23:00

---

---

37

34

05/02/2021

23:00-07:00

44

40

33

30

06/02/2021

07:00-19:00

---

---

48

42

06/02/2021

19:00-23:00

---

---

---

---

06/02/2021

23:00-07:00

41

37

34

34

07/02/2021

07:00-23:00

41

40

44

35

07/02/2021

23:00-07:00

45

38

40

34

08/02/2021

07:00-19:00

---

---

43

37

08/02/2021

19:00-23:00

45

38

41

31

08/02/2021

23:00-07:00

45

39

42

36

09/02/2021

07:00-19:00

---

---

58

41

09/02/2021

19:00-23:00

43

37

39

32

09/02/2021

23:00-07:00

45

43

35

35

10/02/2021

07:00-19:00

---

---

36

36

10/02/2021

19:00-23:00

---

---

38

31

10/02/2021

23:00-07:00

44

36

38

32

11/02/2021

07:00-19:00

---

---

33

25

11/02/2021

19:00-23:00

---

---

31

29

11/02/2021

23:00-07:00

40

32

40

30

12/02/2021

07:00-23:00

49

49

36

33

12/02/2021

23:00-07:00

36

34

40

33

13/02/2021

07:00-23:00

---

---

48

33

13/02/2021

23:00-07:00

35

32

34

28

14/02/2021

07:00-23:00

52

35

39

32

14/02/2021

23:00-07:00

---

---

38

32

15/02/2021

07:00-23:00

38

37

47

35

15/02/2021

23:00-07:00

---

---

26

26

16/02/2021

07:00-19:00

---

---

---

---

16/02/2021

19:00-23:00

38

38

---

---

16/02/2021

23:00-07:00

45

39

---

---

17/02/2021

07:00-19:00

---

---

27

27

17/02/2021

19:00-23:00

---

---

38

33

17/02/2021

23:00-07:00

42

38

39

30

18/02/2021

07:00-19:00

47

47

42

37

18/02/2021

19:00-23:00

---

---

48

33

18/02/2021

23:00-07:00

39

35

37

30

19/02/2021

07:00-19:00

---

---

38

30

19/02/2021

19:00-23:00

---

---

38

34

19/02/2021

23:00-07:00

42

40

40

31

20/02/2021

07:00-19:00

---

---

38

38

20/02/2021

19:00-23:00

---

---

41

35

20/02/2021

23:00-07:00

45

41

40

32

21/02/2021

07:00-23:00

53

45

59

33

21/02/2021

23:00-07:00

43

35

38

32

22/02/2021

07:00-19:00

---

---

32

30

22/02/2021

19:00-23:00

40

40

---

---

22/02/2021

23:00-07:00

45

40

29

29

23/02/2021

07:00-19:00

48

44

39

34

23/02/2021

19:00-23:00

---

---

33

30

23/02/2021

23:00-07:00

45

36

41

33

24/02/2021

07:00-19:00

---

---

---

---

24/02/2021

19:00-23:00

---

---

46

33

24/02/2021

23:00-07:00

42

34

45

39

25/02/2021

07:00-19:00

---

---

49

38

25/02/2021

19:00-23:00

---

---

34

30

25/02/2021

23:00-07:00

45

39

32

31

26/02/2021

07:00-19:00

---

---

52

52

26/02/2021

19:00-23:00

45

40

40

35

26/02/2021

23:00-07:00

45

38

---

---

27/02/2021

07:00-19:00

---

---

41

41

27/02/2021

19:00-23:00

---

---

---

---

27/02/2021

23:00-07:00

44

37

34

32

28/02/2021

07:00-23:00

37

33

45

38

28/02/2021

23:00-07:00

43

39

32

31

 

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).