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

01/11/2017

07:00-23:00

---

---

01/11/2017

23:00-07:00

48

43

02/11/2017

07:00-23:00

58

56

02/11/2017

23:00-07:00

48

46

03/11/2017

07:00-23:00

---

---

03/11/2017

23:00-07:00

50

47

04/11/2017

07:00-23:00

55

55

04/11/2017

23:00-07:00

39

36

05/11/2017

07:00-23:00

43

43

05/11/2017

23:00-07:00

---

---

06/11/2017

07:00-23:00

43

42

06/11/2017

23:00-07:00

34

34

07/11/2017

07:00-23:00

41

41

07/11/2017

23:00-07:00

45

44

08/11/2017

07:00-23:00

---

---

08/11/2017

23:00-07:00

48

44

09/11/2017

07:00-23:00

---

---

09/11/2017

23:00-07:00

40

40

10/11/2017

07:00-23:00

---

---

10/11/2017

23:00-07:00

42

42

11/11/2017

07:00-23:00

36

36

11/11/2017

23:00-07:00

33

33

12/11/2017

07:00-23:00

43

40

12/11/2017

23:00-07:00

43

39

13/11/2017

07:00-23:00

48

44

13/11/2017

23:00-07:00

---

---

14/11/2017

07:00-23:00

---

---

14/11/2017

23:00-07:00

---

---

15/11/2017

07:00-23:00

48

48

15/11/2017

23:00-07:00

43

43

16/11/2017

07:00-23:00

---

---

16/11/2017

23:00-07:00

42

42

17/11/2017

07:00-23:00

---

---

17/11/2017

23:00-07:00

---

---

18/11/2017

07:00-23:00

37

37

18/11/2017

23:00-07:00

34

34

19/11/2017

07:00-23:00

52

52

19/11/2017

23:00-07:00

45

43

20/11/2017

07:00-23:00

---

---

20/11/2017

23:00-07:00

48

46

21/11/2017

07:00-23:00

---

---

21/11/2017

23:00-07:00

50

47

22/11/2017

07:00-23:00

---

---

22/11/2017

23:00-07:00

50

48

23/11/2017

07:00-23:00

---

---

23/11/2017

23:00-07:00

49

45

24/11/2017

07:00-23:00

---

---

24/11/2017

23:00-07:00

39

36

25/11/2017

07:00-23:00

41

39

25/11/2017

23:00-07:00

32

31

26/11/2017

07:00-23:00

28

28

26/11/2017

23:00-07:00

44

40

27/11/2017

07:00-23:00

---

---

27/11/2017

23:00-07:00

46

39

28/11/2017

07:00-23:00

45

45

28/11/2017

23:00-07:00

44

41

29/11/2017

07:00-23:00

45

41

29/11/2017

23:00-07:00

44

44

30/11/2017

07:00-23:00

45

42

30/11/2017

23:00-07:00

50

46

 

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

01/11/2017

07:00-19:00

---

---

39

34

01/11/2017

19:00-23:00

---

---

41

33

01/11/2017

23:00-07:00

45

37

42

30

02/11/2017

07:00-19:00

58

56

40

34

02/11/2017

19:00-23:00

---

---

41

35

02/11/2017

23:00-07:00

45

36

44

31

03/11/2017

07:00-19:00

65

64

39

38

03/11/2017

19:00-23:00

---

---

43

35

03/11/2017

23:00-07:00

45

39

42

30

04/11/2017

07:00-19:00

55

55

---

---

04/11/2017

19:00-23:00

---

---

44

37

04/11/2017

23:00-07:00

39

32

38

32

05/11/2017

07:00-23:00

56

40

50

35

05/11/2017

23:00-07:00

---

---

45

35

06/11/2017

07:00-19:00

---

---

38

35

06/11/2017

19:00-23:00

43

34

37

29

06/11/2017

23:00-07:00

42

32

42

30

07/11/2017

07:00-19:00

41

41

38

30

07/11/2017

19:00-23:00

---

---

40

32

07/11/2017

23:00-07:00

45

40

40

34

08/11/2017

07:00-19:00

---

---

38

32

08/11/2017

19:00-23:00

---

---

44

36

08/11/2017

23:00-07:00

45

39

42

34

09/11/2017

07:00-19:00

---

---

42

37

09/11/2017

19:00-23:00

41

41

43

32

09/11/2017

23:00-07:00

45

39

42

32

10/11/2017

07:00-19:00

---

---

40

36

10/11/2017

19:00-23:00

---

---

43

39

10/11/2017

23:00-07:00

43

40

41

34

11/11/2017

07:00-19:00

---

---

40

37

11/11/2017

19:00-23:00

39

34

44

35

11/11/2017

23:00-07:00

38

31

42

36

12/11/2017

07:00-23:00

43

38

44

36

12/11/2017

23:00-07:00

45

35

42

35

13/11/2017

07:00-19:00

48

42

55

38

13/11/2017

19:00-23:00

---

---

42

40

13/11/2017

23:00-07:00

---

---

42

38

14/11/2017

07:00-19:00

---

---

44

38

14/11/2017

19:00-23:00

---

---

44

38

14/11/2017

23:00-07:00

---

---

40

35

15/11/2017

07:00-19:00

48

48

44

36

15/11/2017

19:00-23:00

---

---

43

37

15/11/2017

23:00-07:00

44

39

44

37

16/11/2017

07:00-19:00

---

---

40

29

16/11/2017

19:00-23:00

---

---

45

37

16/11/2017

23:00-07:00

43

42

41

34

17/11/2017

07:00-19:00

---

---

39

33

17/11/2017

19:00-23:00

---

---

39

36

17/11/2017

23:00-07:00

28

27

44

33

18/11/2017

07:00-19:00

---

---

41

34

18/11/2017

19:00-23:00

45

38

43

34

18/11/2017

23:00-07:00

44

34

42

33

19/11/2017

07:00-23:00

52

45

45

32

19/11/2017

23:00-07:00

45

41

42

34

20/11/2017

07:00-19:00

---

---

42

33

20/11/2017

19:00-23:00

---

---

37

33

20/11/2017

23:00-07:00

45

37

39

32

21/11/2017

07:00-19:00

---

---

47

39

21/11/2017

19:00-23:00

---

---

45

40

21/11/2017

23:00-07:00

45

34

45

40

22/11/2017

07:00-19:00

---

---

44

41

22/11/2017

19:00-23:00

30

29

42

39

22/11/2017

23:00-07:00

41

32

44

37

23/11/2017

07:00-19:00

---

---

45

37

23/11/2017

19:00-23:00

---

---

41

37

23/11/2017

23:00-07:00

44

33

39

35

24/11/2017

07:00-19:00

---

---

42

37

24/11/2017

19:00-23:00

---

---

42

38

24/11/2017

23:00-07:00

39

33

40

35

25/11/2017

07:00-19:00

41

38

42

36

25/11/2017

19:00-23:00

---

---

44

39

25/11/2017

23:00-07:00

38

33

40

36

26/11/2017

07:00-23:00

37

30

46

36

26/11/2017

23:00-07:00

44

35

42

37

27/11/2017

07:00-19:00

---

---

47

39

27/11/2017

19:00-23:00

---

---

43

40

27/11/2017

23:00-07:00

45

34

45

36

28/11/2017

07:00-19:00

45

45

43

40

28/11/2017

19:00-23:00

---

---

42

40

28/11/2017

23:00-07:00

45

40

44

38

29/11/2017

07:00-19:00

45

39

42

38

29/11/2017

19:00-23:00

---

---

44

41

29/11/2017

23:00-07:00

45

42

43

39

30/11/2017

07:00-19:00

45

41

52

38

30/11/2017

19:00-23:00

---

---

44

37

30/11/2017

23:00-07:00

43

37

41

35

 

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.