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

01/01/2018

07:00-23:00

50

47

01/01/2018

23:00-07:00

---

---

02/01/2018

07:00-23:00

---

---

02/01/2018

23:00-07:00

43

39

03/01/2018

07:00-23:00

39

36

03/01/2018

23:00-07:00

41

38

04/01/2018

07:00-23:00

---

---

04/01/2018

23:00-07:00

37

37

05/01/2018

07:00-23:00

48

47

05/01/2018

23:00-07:00

---

---

06/01/2018

07:00-23:00

44

41

06/01/2018

23:00-07:00

44

43

07/01/2018

07:00-23:00

49

46

07/01/2018

23:00-07:00

46

44

08/01/2018

07:00-23:00

---

---

08/01/2018

23:00-07:00

26

26

09/01/2018

07:00-23:00

---

---

09/01/2018

23:00-07:00

35

34

10/01/2018

07:00-23:00

---

---

10/01/2018

23:00-07:00

---

---

11/01/2018

07:00-23:00

---

---

11/01/2018

23:00-07:00

---

---

12/01/2018

07:00-23:00

---

---

12/01/2018

23:00-07:00

---

---

13/01/2018

07:00-23:00

---

---

13/01/2018

23:00-07:00

50

46

14/01/2018

07:00-23:00

37

37

14/01/2018

23:00-07:00

32

32

15/01/2018

07:00-23:00

---

---

15/01/2018

23:00-07:00

29

29

16/01/2018

07:00-23:00

47

47

16/01/2018

23:00-07:00

43

41

17/01/2018

07:00-23:00

---

---

17/01/2018

23:00-07:00

---

---

18/01/2018

07:00-23:00

---

---

18/01/2018

23:00-07:00

---

---

19/01/2018

07:00-23:00

---

---

19/01/2018

23:00-07:00

47

45

20/01/2018

07:00-23:00

---

---

20/01/2018

23:00-07:00

36

36

21/01/2018

07:00-23:00

48

46

21/01/2018

23:00-07:00

30

29

22/01/2018

07:00-23:00

---

---

22/01/2018

23:00-07:00

41

37

23/01/2018

07:00-23:00

---

---

23/01/2018

23:00-07:00

---

---

24/01/2018

07:00-23:00

32

30

24/01/2018

23:00-07:00

41

39

25/01/2018

07:00-23:00

32

32

25/01/2018

23:00-07:00

---

---

26/01/2018

07:00-23:00

42

42

26/01/2018

23:00-07:00

45

42

27/01/2018

07:00-23:00

---

---

27/01/2018

23:00-07:00

---

---

28/01/2018

07:00-23:00

---

---

28/01/2018

23:00-07:00

38

37

29/01/2018

07:00-23:00

---

---

29/01/2018

23:00-07:00

33

30

30/01/2018

07:00-23:00

---

---

30/01/2018

23:00-07:00

36

36

31/01/2018

07:00-23:00

---

---

31/01/2018

23:00-07:00

36

32

 

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

01/01/2018

07:00-23:00

50

46

40

29

01/01/2018

23:00-07:00

---

---

41

35

02/01/2018

07:00-19:00

---

---

40

35

02/01/2018

19:00-23:00

---

---

48

35

02/01/2018

23:00-07:00

44

38

40

33

03/01/2018

07:00-19:00

39

35

38

34

03/01/2018

19:00-23:00

44

38

40

35

03/01/2018

23:00-07:00

44

37

39

34

04/01/2018

07:00-19:00

---

---

41

37

04/01/2018

19:00-23:00

27

27

40

36

04/01/2018

23:00-07:00

37

30

41

35

05/01/2018

07:00-19:00

---

---

38

33

05/01/2018

19:00-23:00

49

42

40

36

05/01/2018

23:00-07:00

33

33

41

38

06/01/2018

07:00-19:00

44

42

40

35

06/01/2018

19:00-23:00

42

36

40

35

06/01/2018

23:00-07:00

44

38

39

33

07/01/2018

07:00-23:00

50

43

44

37

07/01/2018

23:00-07:00

45

41

44

36

08/01/2018

07:00-19:00

---

---

34

30

08/01/2018

19:00-23:00

36

30

49

36

08/01/2018

23:00-07:00

39

32

45

38

09/01/2018

07:00-19:00

---

---

42

39

09/01/2018

19:00-23:00

---

---

42

39

09/01/2018

23:00-07:00

35

32

43

38

10/01/2018

07:00-19:00

---

---

39

34

10/01/2018

19:00-23:00

---

---

37

33

10/01/2018

23:00-07:00

37

37

44

35

11/01/2018

07:00-19:00

---

---

39

36

11/01/2018

19:00-23:00

40

40

42

36

11/01/2018

23:00-07:00

---

---

39

34

12/01/2018

07:00-19:00

---

---

44

42

12/01/2018

19:00-23:00

---

---

50

37

12/01/2018

23:00-07:00

---

---

42

36

13/01/2018

07:00-19:00

---

---

41

33

13/01/2018

19:00-23:00

---

---

39

38

13/01/2018

23:00-07:00

45

41

43

35

14/01/2018

07:00-23:00

44

34

43

38

14/01/2018

23:00-07:00

35

29

42

37

15/01/2018

07:00-19:00

---

---

43

38

15/01/2018

19:00-23:00

---

---

44

41

15/01/2018

23:00-07:00

29

24

44

37

16/01/2018

07:00-19:00

47

47

41

33

16/01/2018

19:00-23:00

---

---

41

37

16/01/2018

23:00-07:00

45

40

42

37

17/01/2018

07:00-19:00

---

---

41

34

17/01/2018

19:00-23:00

---

---

41

38

17/01/2018

23:00-07:00

33

33

37

31

18/01/2018

07:00-19:00

---

---

40

35

18/01/2018

19:00-23:00

36

34

39

37

18/01/2018

23:00-07:00

---

---

42

29

19/01/2018

07:00-19:00

---

---

41

35

19/01/2018

19:00-23:00

---

---

41

37

19/01/2018

23:00-07:00

44

36

42

38

20/01/2018

07:00-19:00

---

---

35

30

20/01/2018

19:00-23:00

---

---

42

33

20/01/2018

23:00-07:00

36

34

41

36

21/01/2018

07:00-23:00

49

44

43

34

21/01/2018

23:00-07:00

32

30

44

38

22/01/2018

07:00-19:00

---

---

42

37

22/01/2018

19:00-23:00

---

---

42

39

22/01/2018

23:00-07:00

41

31

44

39

23/01/2018

07:00-19:00

---

---

44

39

23/01/2018

19:00-23:00

---

---

42

40

23/01/2018

23:00-07:00

40

32

45

37

24/01/2018

07:00-19:00

---

---

48

42

24/01/2018

19:00-23:00

38

32

42

35

24/01/2018

23:00-07:00

44

37

43

36

25/01/2018

07:00-19:00

32

32

53

41

25/01/2018

19:00-23:00

---

---

42

36

25/01/2018

23:00-07:00

36

36

41

34

26/01/2018

07:00-19:00

---

---

42

37

26/01/2018

19:00-23:00

42

41

42

38

26/01/2018

23:00-07:00

45

39

42

36

27/01/2018

07:00-19:00

---

---

41

37

27/01/2018

19:00-23:00

---

---

41

38

27/01/2018

23:00-07:00

33

32

41

37

28/01/2018

07:00-23:00

24

24

44

37

28/01/2018

23:00-07:00

41

34

43

40

29/01/2018

07:00-19:00

---

---

38

29

29/01/2018

19:00-23:00

31

26

40

35

29/01/2018

23:00-07:00

33

27

41

33

30/01/2018

07:00-19:00

---

---

37

35

30/01/2018

19:00-23:00

37

37

37

33

30/01/2018

23:00-07:00

39

32

43

35

31/01/2018

07:00-19:00

---

---

---

---

31/01/2018

19:00-23:00

34

31

42

29

31/01/2018

23:00-07:00

44

33

42

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.