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

01/01/2019

07:00-23:00

46

43

01/01/2019

23:00-07:00

45

38

02/01/2019

07:00-23:00

50

45

02/01/2019

23:00-07:00

48

46

03/01/2019

07:00-23:00

---

---

03/01/2019

23:00-07:00

50

46

04/01/2019

07:00-23:00

---

---

04/01/2019

23:00-07:00

47

42

05/01/2019

07:00-23:00

---

---

05/01/2019

23:00-07:00

36

36

06/01/2019

07:00-23:00

48

48

06/01/2019

23:00-07:00

45

43

07/01/2019

07:00-23:00

---

---

07/01/2019

23:00-07:00

48

48

08/01/2019

07:00-23:00

---

---

08/01/2019

23:00-07:00

46

45

09/01/2019

07:00-23:00

---

---

09/01/2019

23:00-07:00

47

45

10/01/2019

07:00-23:00

---

---

10/01/2019

23:00-07:00

46

45

11/01/2019

07:00-23:00

---

---

11/01/2019

23:00-07:00

---

---

12/01/2019

07:00-23:00

25

25

12/01/2019

23:00-07:00

---

---

13/01/2019

07:00-23:00

27

27

13/01/2019

23:00-07:00

---

---

14/01/2019

07:00-23:00

---

---

14/01/2019

23:00-07:00

46

46

15/01/2019

07:00-23:00

---

---

15/01/2019

23:00-07:00

50

48

16/01/2019

07:00-23:00

---

---

16/01/2019

23:00-07:00

50

47

17/01/2019

07:00-23:00

26

26

17/01/2019

23:00-07:00

47

44

18/01/2019

07:00-23:00

---

---

18/01/2019

23:00-07:00

---

---

19/01/2019

07:00-23:00

42

39

19/01/2019

23:00-07:00

21

21

20/01/2019

07:00-23:00

53

47

20/01/2019

23:00-07:00

33

33

21/01/2019

07:00-23:00

---

---

21/01/2019

23:00-07:00

50

43

22/01/2019

07:00-23:00

---

---

22/01/2019

23:00-07:00

50

48

23/01/2019

07:00-23:00

48

47

23/01/2019

23:00-07:00

50

47

24/01/2019

07:00-23:00

48

48

24/01/2019

23:00-07:00

45

43

25/01/2019

07:00-23:00

48

45

25/01/2019

23:00-07:00

40

36

26/01/2019

07:00-23:00

---

---

26/01/2019

23:00-07:00

47

42

27/01/2019

07:00-23:00

44

44

27/01/2019

23:00-07:00

47

44

28/01/2019

07:00-23:00

---

---

28/01/2019

23:00-07:00

43

41

29/01/2019

07:00-23:00

44

44

29/01/2019

23:00-07:00

47

44

30/01/2019

07:00-23:00

---

---

30/01/2019

23:00-07:00

48

45

31/01/2019

07:00-23:00

---

---

31/01/2019

23:00-07:00

42

42

 

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

01/01/2019

07:00-23:00

51

39

48

34

01/01/2019

23:00-07:00

45

36

42

34

02/01/2019

07:00-19:00

---

---

41

33

02/01/2019

19:00-23:00

56

40

41

33

02/01/2019

23:00-07:00

45

37

41

37

03/01/2019

07:00-19:00

---

---

55

48

03/01/2019

19:00-23:00

37

29

42

36

03/01/2019

23:00-07:00

45

39

41

35

04/01/2019

07:00-19:00

---

---

38

29

04/01/2019

19:00-23:00

---

---

37

34

04/01/2019

23:00-07:00

45

39

38

32

05/01/2019

07:00-19:00

---

---

51

45

05/01/2019

19:00-23:00

---

---

40

34

05/01/2019

23:00-07:00

45

38

39

31

06/01/2019

07:00-23:00

50

47

43

37

06/01/2019

23:00-07:00

45

43

44

39

07/01/2019

07:00-19:00

---

---

35

35

07/01/2019

19:00-23:00

---

---

38

32

07/01/2019

23:00-07:00

45

43

36

32

08/01/2019

07:00-19:00

---

---

39

34

08/01/2019

19:00-23:00

---

---

38

31

08/01/2019

23:00-07:00

45

44

39

33

09/01/2019

07:00-19:00

---

---

43

37

09/01/2019

19:00-23:00

---

---

41

37

09/01/2019

23:00-07:00

45

37

43

37

10/01/2019

07:00-19:00

---

---

40

35

10/01/2019

19:00-23:00

---

---

41

37

10/01/2019

23:00-07:00

45

43

42

37

11/01/2019

07:00-19:00

---

---

44

40

11/01/2019

19:00-23:00

35

33

39

33

11/01/2019

23:00-07:00

---

---

39

33

12/01/2019

07:00-19:00

---

---

49

43

12/01/2019

19:00-23:00

30

28

40

33

12/01/2019

23:00-07:00

---

---

41

35

13/01/2019

07:00-23:00

---

---

43

39

13/01/2019

23:00-07:00

---

---

39

37

14/01/2019

07:00-19:00

---

---

38

34

14/01/2019

19:00-23:00

---

---

39

34

14/01/2019

23:00-07:00

45

36

41

38

15/01/2019

07:00-19:00

---

---

51

42

15/01/2019

19:00-23:00

37

34

39

34

15/01/2019

23:00-07:00

45

38

40

35

16/01/2019

07:00-19:00

---

---

47

42

16/01/2019

19:00-23:00

35

30

39

31

16/01/2019

23:00-07:00

41

35

42

37

17/01/2019

07:00-19:00

---

---

50

40

17/01/2019

19:00-23:00

26

26

40

33

17/01/2019

23:00-07:00

45

40

40

33

18/01/2019

07:00-19:00

---

---

40

36

18/01/2019

19:00-23:00

---

---

38

38

18/01/2019

23:00-07:00

---

---

40

36

19/01/2019

07:00-19:00

42

39

44

36

19/01/2019

19:00-23:00

46

38

40

34

19/01/2019

23:00-07:00

41

32

39

32

20/01/2019

07:00-23:00

54

42

53

33

20/01/2019

23:00-07:00

33

33

42

37

21/01/2019

07:00-19:00

---

---

42

36

21/01/2019

19:00-23:00

---

---

40

37

21/01/2019

23:00-07:00

45

33

42

37

22/01/2019

07:00-19:00

---

---

50

38

22/01/2019

19:00-23:00

---

---

41

35

22/01/2019

23:00-07:00

45

38

45

40

23/01/2019

07:00-19:00

48

47

49

42

23/01/2019

19:00-23:00

37

32

43

39

23/01/2019

23:00-07:00

45

40

43

38

24/01/2019

07:00-19:00

48

48

44

35

24/01/2019

19:00-23:00

---

---

41

36

24/01/2019

23:00-07:00

45

38

42

37

25/01/2019

07:00-19:00

---

---

54

40

25/01/2019

19:00-23:00

48

43

41

35

25/01/2019

23:00-07:00

42

34

45

38

26/01/2019

07:00-19:00

---

---

44

38

26/01/2019

19:00-23:00

31

31

44

40

26/01/2019

23:00-07:00

45

36

43

36

27/01/2019

07:00-23:00

44

42

43

37

27/01/2019

23:00-07:00

45

34

43

37

28/01/2019

07:00-19:00

---

---

43

37

28/01/2019

19:00-23:00

---

---

44

40

28/01/2019

23:00-07:00

45

39

43

38

29/01/2019

07:00-19:00

44

44

43

40

29/01/2019

19:00-23:00

---

---

49

40

29/01/2019

23:00-07:00

45

34

43

37

30/01/2019

07:00-19:00

---

---

50

38

30/01/2019

19:00-23:00

---

---

42

39

30/01/2019

23:00-07:00

45

40

42

36

31/01/2019

07:00-19:00

---

---

48

39

31/01/2019

19:00-23:00

---

---

50

40

31/01/2019

23:00-07:00

44

37

41

32

 

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.