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

01/10/2018

07:00-23:00

43

42

01/10/2018

23:00-07:00

46

44

02/10/2018

07:00-23:00

27

27

02/10/2018

23:00-07:00

31

31

03/10/2018

07:00-23:00

---

---

03/10/2018

23:00-07:00

49

44

04/10/2018

07:00-23:00

29

27

04/10/2018

23:00-07:00

48

43

05/10/2018

07:00-23:00

43

39

05/10/2018

23:00-07:00

43

41

06/10/2018

07:00-23:00

---

---

06/10/2018

23:00-07:00

---

---

07/10/2018

07:00-23:00

47

41

07/10/2018

23:00-07:00

---

---

08/10/2018

07:00-23:00

44

44

08/10/2018

23:00-07:00

42

40

09/10/2018

07:00-23:00

---

---

09/10/2018

23:00-07:00

38

35

10/10/2018

07:00-23:00

39

36

10/10/2018

23:00-07:00

45

40

11/10/2018

07:00-23:00

---

---

11/10/2018

23:00-07:00

49

44

12/10/2018

07:00-23:00

42

42

12/10/2018

23:00-07:00

41

41

13/10/2018

07:00-23:00

39

39

13/10/2018

23:00-07:00

43

41

14/10/2018

07:00-23:00

---

---

14/10/2018

23:00-07:00

45

43

15/10/2018

07:00-23:00

---

---

15/10/2018

23:00-07:00

38

38

16/10/2018

07:00-23:00

44

41

16/10/2018

23:00-07:00

23

23

17/10/2018

07:00-23:00

40

38

17/10/2018

23:00-07:00

49

47

18/10/2018

07:00-23:00

28

28

18/10/2018

23:00-07:00

40

38

19/10/2018

07:00-23:00

42

41

19/10/2018

23:00-07:00

36

36

20/10/2018

07:00-23:00

40

40

20/10/2018

23:00-07:00

---

---

21/10/2018

07:00-23:00

42

40

21/10/2018

23:00-07:00

50

49

22/10/2018

07:00-23:00

51

51

22/10/2018

23:00-07:00

50

48

23/10/2018

07:00-23:00

46

46

23/10/2018

23:00-07:00

47

45

24/10/2018

07:00-23:00

---

---

24/10/2018

23:00-07:00

40

38

25/10/2018

07:00-23:00

---

---

25/10/2018

23:00-07:00

45

45

26/10/2018

07:00-23:00

---

---

26/10/2018

23:00-07:00

30

28

27/10/2018

07:00-23:00

---

---

27/10/2018

23:00-07:00

---

---

28/10/2018

07:00-23:00

48

44

28/10/2018

23:00-07:00

49

46

29/10/2018

07:00-23:00

27

27

29/10/2018

23:00-07:00

38

38

30/10/2018

07:00-23:00

47

46

30/10/2018

23:00-07:00

48

45

31/10/2018

07:00-23:00

48

44

31/10/2018

23:00-07:00

47

41

 

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

01/10/2018

07:00-23:00

45

40

46

37

01/10/2018

23:00-07:00

45

36

44

38

02/10/2018

07:00-19:00

---

---

43

39

02/10/2018

19:00-23:00

33

28

46

35

02/10/2018

23:00-07:00

35

31

44

38

03/10/2018

07:00-19:00

---

---

53

42

03/10/2018

19:00-23:00

34

33

44

39

03/10/2018

23:00-07:00

45

39

43

40

04/10/2018

07:00-19:00

24

24

56

41

04/10/2018

19:00-23:00

34

29

43

39

04/10/2018

23:00-07:00

45

33

43

38

05/10/2018

07:00-19:00

43

43

42

37

05/10/2018

19:00-23:00

42

35

44

37

05/10/2018

23:00-07:00

44

41

42

40

06/10/2018

07:00-19:00

---

---

50

42

06/10/2018

19:00-23:00

---

---

46

43

06/10/2018

23:00-07:00

38

32

44

40

07/10/2018

07:00-23:00

48

37

47

40

07/10/2018

23:00-07:00

---

---

45

41

08/10/2018

07:00-19:00

44

44

42

36

08/10/2018

19:00-23:00

35

33

47

39

08/10/2018

23:00-07:00

43

39

43

39

09/10/2018

07:00-19:00

---

---

48

42

09/10/2018

19:00-23:00

31

26

47

38

09/10/2018

23:00-07:00

38

33

45

37

10/10/2018

07:00-19:00

39

39

48

39

10/10/2018

19:00-23:00

27

26

43

39

10/10/2018

23:00-07:00

45

38

42

36

11/10/2018

07:00-19:00

---

---

48

41

11/10/2018

19:00-23:00

---

---

41

36

11/10/2018

23:00-07:00

45

38

44

37

12/10/2018

07:00-19:00

42

42

46

42

12/10/2018

19:00-23:00

---

---

51

40

12/10/2018

23:00-07:00

44

41

44

39

13/10/2018

07:00-19:00

39

39

44

42

13/10/2018

19:00-23:00

---

---

44

41

13/10/2018

23:00-07:00

45

39

43

41

14/10/2018

07:00-23:00

36

32

46

41

14/10/2018

23:00-07:00

45

41

44

40

15/10/2018

07:00-19:00

---

---

46

39

15/10/2018

19:00-23:00

---

---

44

40

15/10/2018

23:00-07:00

45

38

42

39

16/10/2018

07:00-19:00

44

44

48

41

16/10/2018

19:00-23:00

40

36

44

33

16/10/2018

23:00-07:00

34

28

41

35

17/10/2018

07:00-23:00

33

28

48

39

17/10/2018

23:00-07:00

45

38

44

34

18/10/2018

07:00-19:00

---

---

43

40

18/10/2018

19:00-23:00

28

28

44

38

18/10/2018

23:00-07:00

41

34

44

35

19/10/2018

07:00-19:00

42

42

55

43

19/10/2018

19:00-23:00

36

28

47

37

19/10/2018

23:00-07:00

45

36

45

38

20/10/2018

07:00-19:00

40

40

43

38

20/10/2018

19:00-23:00

---

---

42

39

20/10/2018

23:00-07:00

---

---

45

38

21/10/2018

07:00-23:00

42

37

47

39

21/10/2018

23:00-07:00

44

42

44

35

22/10/2018

07:00-19:00

51

51

40

36

22/10/2018

19:00-23:00

---

---

48

37

22/10/2018

23:00-07:00

43

37

43

36

23/10/2018

07:00-19:00

46

46

42

38

23/10/2018

19:00-23:00

---

---

38

36

23/10/2018

23:00-07:00

43

39

41

34

24/10/2018

07:00-19:00

---

---

42

34

24/10/2018

19:00-23:00

---

---

42

38

24/10/2018

23:00-07:00

45

39

42

37

25/10/2018

07:00-19:00

65

65

41

38

25/10/2018

19:00-23:00

---

---

48

38

25/10/2018

23:00-07:00

45

39

41

37

26/10/2018

07:00-19:00

---

---

51

43

26/10/2018

19:00-23:00

---

---

41

36

26/10/2018

23:00-07:00

30

24

45

33

27/10/2018

07:00-19:00

---

---

42

36

27/10/2018

19:00-23:00

---

---

46

37

27/10/2018

23:00-07:00

36

30

43

35

28/10/2018

07:00-23:00

49

40

42

34

28/10/2018

23:00-07:00

45

42

43

38

29/10/2018

07:00-19:00

27

27

53

39

29/10/2018

19:00-23:00

---

---

45

39

29/10/2018

23:00-07:00

44

40

42

36

30/10/2018

07:00-19:00

47

45

41

34

30/10/2018

19:00-23:00

---

---

44

39

30/10/2018

23:00-07:00

44

32

44

36

31/10/2018

07:00-19:00

48

45

40

37

31/10/2018

19:00-23:00

36

35

40

36

31/10/2018

23:00-07:00

45

36

40

34

 

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.