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

01/08/2020

07:00-23:00

---

---

01/08/2020

23:00-07:00

31

31

02/08/2020

07:00-23:00

41

41

02/08/2020

23:00-07:00

48

46

03/08/2020

07:00-23:00

55

52

03/08/2020

23:00-07:00

---

---

04/08/2020

07:00-23:00

58

58

04/08/2020

23:00-07:00

31

31

05/08/2020

07:00-23:00

48

48

05/08/2020

23:00-07:00

30

30

06/08/2020

07:00-23:00

45

44

06/08/2020

23:00-07:00

---

---

07/08/2020

07:00-23:00

54

50

07/08/2020

23:00-07:00

30

30

08/08/2020

07:00-23:00

---

---

08/08/2020

23:00-07:00

---

---

09/08/2020

07:00-23:00

53

51

09/08/2020

23:00-07:00

28

28

10/08/2020

07:00-23:00

54

49

10/08/2020

23:00-07:00

44

44

11/08/2020

07:00-23:00

52

48

11/08/2020

23:00-07:00

48

48

12/08/2020

07:00-23:00

55

52

12/08/2020

23:00-07:00

46

46

13/08/2020

07:00-23:00

48

45

13/08/2020

23:00-07:00

---

---

14/08/2020

07:00-23:00

57

57

14/08/2020

23:00-07:00

---

---

15/08/2020

07:00-23:00

53

53

15/08/2020

23:00-07:00

41

41

16/08/2020

07:00-23:00

---

---

16/08/2020

23:00-07:00

44

42

17/08/2020

07:00-23:00

48

48

17/08/2020

23:00-07:00

43

43

18/08/2020

07:00-23:00

58

54

18/08/2020

23:00-07:00

---

---

19/08/2020

07:00-23:00

---

---

19/08/2020

23:00-07:00

44

41

20/08/2020

07:00-23:00

---

---

20/08/2020

23:00-07:00

---

---

21/08/2020

07:00-23:00

49

47

21/08/2020

23:00-07:00

---

---

22/08/2020

07:00-23:00

38

38

22/08/2020

23:00-07:00

42

40

23/08/2020

07:00-23:00

49

45

23/08/2020

23:00-07:00

43

42

24/08/2020

07:00-23:00

46

46

24/08/2020

23:00-07:00

---

---

25/08/2020

07:00-23:00

54

51

25/08/2020

23:00-07:00

---

---

26/08/2020

07:00-23:00

---

---

26/08/2020

23:00-07:00

44

44

27/08/2020

07:00-23:00

50

50

27/08/2020

23:00-07:00

34

34

28/08/2020

07:00-23:00

44

44

28/08/2020

23:00-07:00

45

45

29/08/2020

07:00-23:00

---

---

29/08/2020

23:00-07:00

---

---

30/08/2020

07:00-23:00

---

---

30/08/2020

23:00-07:00

48

43

31/08/2020

07:00-23:00

---

---

31/08/2020

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

01/08/2020

07:00-19:00

---

---

42

42

01/08/2020

19:00-23:00

35

35

43

40

01/08/2020

23:00-07:00

43

33

43

36

02/08/2020

07:00-23:00

48

41

47

37

02/08/2020

23:00-07:00

45

43

44

40

03/08/2020

07:00-19:00

55

51

45

38

03/08/2020

19:00-23:00

---

---

42

40

03/08/2020

23:00-07:00

40

33

45

39

04/08/2020

07:00-19:00

58

58

42

35

04/08/2020

19:00-23:00

49

43

45

36

04/08/2020

23:00-07:00

45

35

43

37

05/08/2020

07:00-19:00

---

---

42

38

05/08/2020

19:00-23:00

48

44

45

36

05/08/2020

23:00-07:00

39

35

43

38

06/08/2020

07:00-19:00

45

44

39

34

06/08/2020

19:00-23:00

39

39

41

36

06/08/2020

23:00-07:00

30

30

40

35

07/08/2020

07:00-19:00

54

46

39

34

07/08/2020

19:00-23:00

---

---

44

38

07/08/2020

23:00-07:00

30

22

42

36

08/08/2020

07:00-19:00

---

---

40

35

08/08/2020

19:00-23:00

29

29

45

39

08/08/2020

23:00-07:00

29

29

43

35

09/08/2020

07:00-23:00

54

46

46

35

09/08/2020

23:00-07:00

28

28

45

34

10/08/2020

07:00-19:00

54

45

---

---

10/08/2020

19:00-23:00

---

---

37

33

10/08/2020

23:00-07:00

45

43

44

34

11/08/2020

07:00-19:00

52

44

39

33

11/08/2020

19:00-23:00

39

39

42

37

11/08/2020

23:00-07:00

---

---

44

38

12/08/2020

07:00-19:00

55

51

43

37

12/08/2020

19:00-23:00

40

40

40

35

12/08/2020

23:00-07:00

43

33

44

38

13/08/2020

07:00-19:00

48

42

41

35

13/08/2020

19:00-23:00

---

---

45

36

13/08/2020

23:00-07:00

44

44

43

39

14/08/2020

07:00-19:00

57

57

39

32

14/08/2020

19:00-23:00

---

---

44

34

14/08/2020

23:00-07:00

39

38

45

33

15/08/2020

07:00-19:00

53

53

---

---

15/08/2020

19:00-23:00

---

---

28

28

15/08/2020

23:00-07:00

41

41

42

33

16/08/2020

07:00-23:00

34

34

44

32

16/08/2020

23:00-07:00

44

38

45

35

17/08/2020

07:00-19:00

48

48

38

37

17/08/2020

19:00-23:00

---

---

---

---

17/08/2020

23:00-07:00

45

42

40

33

18/08/2020

07:00-19:00

58

52

42

38

18/08/2020

19:00-23:00

47

43

42

38

18/08/2020

23:00-07:00

41

41

32

32

19/08/2020

07:00-19:00

---

---

39

38

19/08/2020

19:00-23:00

---

---

42

41

19/08/2020

23:00-07:00

44

41

40

33

20/08/2020

07:00-19:00

---

---

39

36

20/08/2020

19:00-23:00

---

---

35

32

20/08/2020

23:00-07:00

---

---

40

36

21/08/2020

07:00-19:00

49

45

48

37

21/08/2020

19:00-23:00

---

---

47

38

21/08/2020

23:00-07:00

30

30

42

37

22/08/2020

07:00-19:00

---

---

41

36

22/08/2020

19:00-23:00

38

35

46

36

22/08/2020

23:00-07:00

43

39

41

34

23/08/2020

07:00-23:00

49

39

44

36

23/08/2020

23:00-07:00

45

41

42

35

24/08/2020

07:00-19:00

46

46

42

35

24/08/2020

19:00-23:00

---

---

44

34

24/08/2020

23:00-07:00

---

---

41

36

25/08/2020

07:00-19:00

54

46

42

30

25/08/2020

19:00-23:00

---

---

45

38

25/08/2020

23:00-07:00

---

---

41

33

26/08/2020

07:00-19:00

---

---

44

38

26/08/2020

19:00-23:00

44

43

44

36

26/08/2020

23:00-07:00

45

38

44

33

27/08/2020

07:00-19:00

50

50

36

29

27/08/2020

19:00-23:00

---

---

46

34

27/08/2020

23:00-07:00

44

39

39

33

28/08/2020

07:00-19:00

44

44

35

31

28/08/2020

19:00-23:00

---

---

41

33

28/08/2020

23:00-07:00

45

45

41

35

29/08/2020

07:00-19:00

---

---

35

30

29/08/2020

19:00-23:00

---

---

41

34

29/08/2020

23:00-07:00

41

39

39

32

30/08/2020

07:00-23:00

50

43

46

36

30/08/2020

23:00-07:00

45

41

41

33

31/08/2020

07:00-19:00

---

---

46

33

31/08/2020

19:00-23:00

---

---

---

---

31/08/2020

23:00-07:00

43

39

35

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) with construction noise permit.