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

01/12/2019

07:00-23:00

45

45

01/12/2019

23:00-07:00

50

48

02/12/2019

07:00-23:00

---

---

02/12/2019

23:00-07:00

50

47

03/12/2019

07:00-23:00

---

---

03/12/2019

23:00-07:00

48

46

04/12/2019

07:00-23:00

---

---

04/12/2019

23:00-07:00

45

44

05/12/2019

07:00-23:00

27

27

05/12/2019

23:00-07:00

50

46

06/12/2019

07:00-23:00

54

50

06/12/2019

23:00-07:00

45

41

07/12/2019

07:00-23:00

---

---

07/12/2019

23:00-07:00

46

46

08/12/2019

07:00-23:00

51

45

08/12/2019

23:00-07:00

34

32

09/12/2019

07:00-23:00

---

---

09/12/2019

23:00-07:00

25

25

10/12/2019

07:00-23:00

50

48

10/12/2019

23:00-07:00

33

30

11/12/2019

07:00-23:00

---

---

11/12/2019

23:00-07:00

42

40

12/12/2019

07:00-23:00

49

46

12/12/2019

23:00-07:00

48

42

13/12/2019

07:00-23:00

49

48

13/12/2019

23:00-07:00

43

39

14/12/2019

07:00-23:00

---

---

14/12/2019

23:00-07:00

49

44

15/12/2019

07:00-23:00

36

35

15/12/2019

23:00-07:00

32

32

16/12/2019

07:00-23:00

54

54

16/12/2019

23:00-07:00

47

45

17/12/2019

07:00-23:00

56

56

17/12/2019

23:00-07:00

41

41

18/12/2019

07:00-23:00

54

52

18/12/2019

23:00-07:00

44

40

19/12/2019

07:00-23:00

48

45

19/12/2019

23:00-07:00

50

48

20/12/2019

07:00-23:00

46

46

20/12/2019

23:00-07:00

47

45

21/12/2019

07:00-23:00

58

55

21/12/2019

23:00-07:00

11

11

22/12/2019

07:00-23:00

46

44

22/12/2019

23:00-07:00

47

41

23/12/2019

07:00-23:00

---

---

23/12/2019

23:00-07:00

45

41

24/12/2019

07:00-23:00

46

46

24/12/2019

23:00-07:00

---

---

25/12/2019

07:00-23:00

---

---

25/12/2019

23:00-07:00

49

48

26/12/2019

07:00-23:00

50

47

26/12/2019

23:00-07:00

50

45

27/12/2019

07:00-23:00

---

---

27/12/2019

23:00-07:00

42

39

28/12/2019

07:00-23:00

44

42

28/12/2019

23:00-07:00

30

30

29/12/2019

07:00-23:00

46

42

29/12/2019

23:00-07:00

41

39

30/12/2019

07:00-23:00

58

55

30/12/2019

23:00-07:00

37

37

31/12/2019

07:00-23:00

---

---

31/12/2019

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

01/12/2019

07:00-23:00

53

48

46

39

01/12/2019

23:00-07:00

42

33

45

40

02/12/2019

07:00-19:00

---

---

40

35

02/12/2019

19:00-23:00

---

---

41

36

02/12/2019

23:00-07:00

45

42

45

39

03/12/2019

07:00-19:00

---

---

---

---

03/12/2019

19:00-23:00

---

---

39

33

03/12/2019

23:00-07:00

45

41

41

35

04/12/2019

07:00-19:00

---

---

---

---

04/12/2019

19:00-23:00

---

---

---

---

04/12/2019

23:00-07:00

45

40

44

35

05/12/2019

07:00-19:00

27

27

50

50

05/12/2019

19:00-23:00

32

31

41

34

05/12/2019

23:00-07:00

43

34

43

36

06/12/2019

07:00-19:00

54

46

---

---

06/12/2019

19:00-23:00

---

---

44

38

06/12/2019

23:00-07:00

45

38

41

36

07/12/2019

07:00-19:00

---

---

57

51

07/12/2019

19:00-23:00

39

33

38

32

07/12/2019

23:00-07:00

45

44

39

35

08/12/2019

07:00-23:00

52

45

42

37

08/12/2019

23:00-07:00

36

30

42

37

09/12/2019

07:00-19:00

---

---

44

38

09/12/2019

19:00-23:00

30

30

45

42

09/12/2019

23:00-07:00

43

34

45

40

10/12/2019

07:00-19:00

50

47

43

39

10/12/2019

19:00-23:00

---

---

45

41

10/12/2019

23:00-07:00

37

31

45

40

11/12/2019

07:00-19:00

---

---

47

39

11/12/2019

19:00-23:00

---

---

44

41

11/12/2019

23:00-07:00

44

38

45

39

12/12/2019

07:00-19:00

49

49

41

34

12/12/2019

19:00-23:00

30

30

51

40

12/12/2019

23:00-07:00

45

37

44

37

13/12/2019

07:00-19:00

49

49

41

34

13/12/2019

19:00-23:00

46

36

42

35

13/12/2019

23:00-07:00

45

39

41

35

14/12/2019

07:00-19:00

---

---

40

39

14/12/2019

19:00-23:00

---

---

40

38

14/12/2019

23:00-07:00

45

38

41

36

15/12/2019

07:00-23:00

44

37

45

37

15/12/2019

23:00-07:00

42

31

44

37

16/12/2019

07:00-19:00

54

54

43

38

16/12/2019

19:00-23:00

---

---

41

40

16/12/2019

23:00-07:00

45

42

43

36

17/12/2019

07:00-19:00

56

56

52

39

17/12/2019

19:00-23:00

---

---

44

40

17/12/2019

23:00-07:00

41

33

44

41

18/12/2019

07:00-19:00

54

52

40

36

18/12/2019

19:00-23:00

---

---

41

37

18/12/2019

23:00-07:00

45

41

40

37

19/12/2019

07:00-19:00

48

43

40

35

19/12/2019

19:00-23:00

42

33

43

33

19/12/2019

23:00-07:00

45

35

42

34

20/12/2019

07:00-19:00

46

46

42

37

20/12/2019

19:00-23:00

---

---

49

39

20/12/2019

23:00-07:00

44

41

42

38

21/12/2019

07:00-19:00

58

54

40

36

21/12/2019

19:00-23:00

---

---

43

42

21/12/2019

23:00-07:00

36

29

43

37

22/12/2019

07:00-23:00

54

42

49

37

22/12/2019

23:00-07:00

45

33

38

29

23/12/2019

07:00-19:00

---

---

40

40

23/12/2019

19:00-23:00

---

---

42

37

23/12/2019

23:00-07:00

45

39

44

38

24/12/2019

07:00-19:00

46

46

42

38

24/12/2019

19:00-23:00

---

---

43

40

24/12/2019

23:00-07:00

32

30

44

39

25/12/2019

07:00-23:00

45

37

43

37

25/12/2019

23:00-07:00

40

39

43

39

26/12/2019

07:00-23:00

51

43

43

37

26/12/2019

23:00-07:00

45

32

44

36

27/12/2019

07:00-19:00

---

---

43

40

27/12/2019

19:00-23:00

---

---

47

40

27/12/2019

23:00-07:00

45

38

43

39

28/12/2019

07:00-19:00

44

44

55

37

28/12/2019

19:00-23:00

45

39

43

35

28/12/2019

23:00-07:00

38

31

43

36

29/12/2019

07:00-23:00

60

42

59

38

29/12/2019

23:00-07:00

43

40

43

37

30/12/2019

07:00-19:00

58

52

45

37

30/12/2019

19:00-23:00

---

---

45

43

30/12/2019

23:00-07:00

37

37

45

39

31/12/2019

07:00-19:00

---

---

45

39

31/12/2019

19:00-23:00

29

26

45

39

31/12/2019

23:00-07:00

---

---

41

39

 

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.