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

01/09/2022

07:00-23:00

41

36

01/09/2022

23:00-07:00

50

50

02/09/2022

07:00-23:00

43

43

02/09/2022

23:00-07:00

---

---

03/09/2022

07:00-23:00

---

---

03/09/2022

23:00-07:00

---

---

04/09/2022

07:00-23:00

32

32

04/09/2022

23:00-07:00

43

40

05/09/2022

07:00-23:00

---

---

05/09/2022

23:00-07:00

---

---

06/09/2022

07:00-23:00

44

44

06/09/2022

23:00-07:00

---

---

07/09/2022

07:00-23:00

---

---

07/09/2022

23:00-07:00

---

---

08/09/2022

07:00-23:00

---

---

08/09/2022

23:00-07:00

---

---

09/09/2022

07:00-23:00

---

---

09/09/2022

23:00-07:00

---

---

10/09/2022

07:00-23:00

---

---

10/09/2022

23:00-07:00

50

47

11/09/2022

07:00-23:00

---

---

11/09/2022

23:00-07:00

19

19

12/09/2022

07:00-23:00

---

---

12/09/2022

23:00-07:00

39

37

13/09/2022

07:00-23:00

---

---

13/09/2022

23:00-07:00

---

---

14/09/2022

07:00-23:00

---

---

14/09/2022

23:00-07:00

---

---

15/09/2022

07:00-23:00

---

---

15/09/2022

23:00-07:00

---

---

16/09/2022

07:00-23:00

---

---

16/09/2022

23:00-07:00

---

---

17/09/2022

07:00-23:00

31

31

17/09/2022

23:00-07:00

42

42

18/09/2022

07:00-23:00

44

44

18/09/2022

23:00-07:00

42

38

19/09/2022

07:00-23:00

---

---

19/09/2022

23:00-07:00

37

37

20/09/2022

07:00-23:00

---

---

20/09/2022

23:00-07:00

36

36

21/09/2022

07:00-23:00

---

---

21/09/2022

23:00-07:00

39

39

22/09/2022

07:00-23:00

---

---

22/09/2022

23:00-07:00

---

---

23/09/2022

07:00-23:00

---

---

23/09/2022

23:00-07:00

42

42

24/09/2022

07:00-23:00

48

48

24/09/2022

23:00-07:00

43

40

25/09/2022

07:00-23:00

---

---

25/09/2022

23:00-07:00

45

40

26/09/2022

07:00-23:00

---

---

26/09/2022

23:00-07:00

49

43

27/09/2022

07:00-23:00

40

37

27/09/2022

23:00-07:00

46

44

28/09/2022

07:00-23:00

44

44

28/09/2022

23:00-07:00

41

38

29/09/2022

07:00-23:00

45

42

29/09/2022

23:00-07:00

44

41

30/09/2022

07:00-23:00

35

35

30/09/2022

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

01/09/2022

07:00-19:00

41

32

47

31

01/09/2022

19:00-23:00

25

25

46

39

01/09/2022

23:00-07:00

44

36

45

39

02/09/2022

07:00-19:00

43

43

---

---

02/09/2022

19:00-23:00

35

34

52

45

02/09/2022

23:00-07:00

26

24

45

32

03/09/2022

07:00-19:00

---

---

47

36

03/09/2022

19:00-23:00

---

---

53

47

03/09/2022

23:00-07:00

---

---

43

34

04/09/2022

07:00-23:00

40

30

51

36

04/09/2022

23:00-07:00

43

39

44

34

05/09/2022

07:00-19:00

---

---

53

39

05/09/2022

19:00-23:00

---

---

48

40

05/09/2022

23:00-07:00

40

39

45

37

06/09/2022

07:00-19:00

44

44

42

38

06/09/2022

19:00-23:00

---

---

42

39

06/09/2022

23:00-07:00

---

---

44

38

07/09/2022

07:00-19:00

---

---

34

32

07/09/2022

19:00-23:00

---

---

44

34

07/09/2022

23:00-07:00

34

34

41

36

08/09/2022

07:00-19:00

---

---

44

39

08/09/2022

19:00-23:00

---

---

40

35

08/09/2022

23:00-07:00

---

---

43

36

09/09/2022

07:00-19:00

---

---

42

35

09/09/2022

19:00-23:00

---

---

45

38

09/09/2022

23:00-07:00

---

---

43

37

10/09/2022

07:00-19:00

---

---

52

36

10/09/2022

19:00-23:00

---

---

49

42

10/09/2022

23:00-07:00

44

40

45

36

11/09/2022

07:00-23:00

48

45

42

35

11/09/2022

23:00-07:00

19

19

41

35

12/09/2022

07:00-23:00

---

---

49

37

12/09/2022

23:00-07:00

45

40

45

37

13/09/2022

07:00-19:00

---

---

53

37

13/09/2022

19:00-23:00

---

---

49

40

13/09/2022

23:00-07:00

34

34

45

37

14/09/2022

07:00-19:00

---

---

50

42

14/09/2022

19:00-23:00

---

---

58

38

14/09/2022

23:00-07:00

---

---

40

35

15/09/2022

07:00-19:00

---

---

45

39

15/09/2022

19:00-23:00

---

---

50

38

15/09/2022

23:00-07:00

28

28

40

35

16/09/2022

07:00-19:00

---

---

59

47

16/09/2022

19:00-23:00

---

---

49

41

16/09/2022

23:00-07:00

---

---

45

35

17/09/2022

07:00-19:00

31

31

67

43

17/09/2022

19:00-23:00

---

---

51

42

17/09/2022

23:00-07:00

42

35

45

39

18/09/2022

07:00-23:00

44

42

49

37

18/09/2022

23:00-07:00

43

36

43

35

19/09/2022

07:00-19:00

---

---

47

41

19/09/2022

19:00-23:00

40

40

49

42

19/09/2022

23:00-07:00

43

39

42

35

20/09/2022

07:00-19:00

---

---

50

40

20/09/2022

19:00-23:00

---

---

43

38

20/09/2022

23:00-07:00

43

35

43

36

21/09/2022

07:00-19:00

---

---

57

42

21/09/2022

19:00-23:00

---

---

50

41

21/09/2022

23:00-07:00

40

39

44

36

22/09/2022

07:00-19:00

---

---

40

37

22/09/2022

19:00-23:00

---

---

48

39

22/09/2022

23:00-07:00

39

35

41

35

23/09/2022

07:00-19:00

---

---

40

34

23/09/2022

19:00-23:00

45

42

43

34

23/09/2022

23:00-07:00

43

41

43

38

24/09/2022

07:00-19:00

48

48

60

45

24/09/2022

19:00-23:00

---

---

43

33

24/09/2022

23:00-07:00

43

39

42

39

25/09/2022

07:00-23:00

34

23

41

34

25/09/2022

23:00-07:00

45

39

45

39

26/09/2022

07:00-19:00

---

---

43

36

26/09/2022

19:00-23:00

---

---

50

41

26/09/2022

23:00-07:00

44

37

44

34

27/09/2022

07:00-19:00

---

---

60

46

27/09/2022

19:00-23:00

43

36

43

34

27/09/2022

23:00-07:00

45

41

44

37

28/09/2022

07:00-19:00

44

44

44

37

28/09/2022

19:00-23:00

---

---

45

37

28/09/2022

23:00-07:00

43

36

44

37

29/09/2022

07:00-19:00

45

45

44

40

29/09/2022

19:00-23:00

33

31

48

40

29/09/2022

23:00-07:00

44

31

45

38

30/09/2022

07:00-19:00

35

35

49

40

30/09/2022

19:00-23:00

43

36

57

49

30/09/2022

23:00-07:00

---

---

45

42

 

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).