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

01/12/2017

07:00-23:00

51

47

01/12/2017

23:00-07:00

49

47

02/12/2017

07:00-23:00

51

49

02/12/2017

23:00-07:00

---

---

03/12/2017

07:00-23:00

47

47

03/12/2017

23:00-07:00

48

45

04/12/2017

07:00-23:00

---

---

04/12/2017

23:00-07:00

32

31

05/12/2017

07:00-23:00

46

43

05/12/2017

23:00-07:00

45

41

06/12/2017

07:00-23:00

48

46

06/12/2017

23:00-07:00

40

36

07/12/2017

07:00-23:00

51

48

07/12/2017

23:00-07:00

46

45

08/12/2017

07:00-23:00

54

50

08/12/2017

23:00-07:00

46

44

09/12/2017

07:00-23:00

57

55

09/12/2017

23:00-07:00

---

---

10/12/2017

07:00-23:00

29

29

10/12/2017

23:00-07:00

47

45

11/12/2017

07:00-23:00

57

54

11/12/2017

23:00-07:00

---

---

12/12/2017

07:00-23:00

56

52

12/12/2017

23:00-07:00

40

36

13/12/2017

07:00-23:00

57

52

13/12/2017

23:00-07:00

39

38

14/12/2017

07:00-23:00

54

51

14/12/2017

23:00-07:00

37

36

15/12/2017

07:00-23:00

50

47

15/12/2017

23:00-07:00

28

28

16/12/2017

07:00-23:00

48

43

16/12/2017

23:00-07:00

38

36

17/12/2017

07:00-23:00

38

35

17/12/2017

23:00-07:00

40

36

18/12/2017

07:00-23:00

47

45

18/12/2017

23:00-07:00

29

28

19/12/2017

07:00-23:00

46

45

19/12/2017

23:00-07:00

---

---

20/12/2017

07:00-23:00

45

43

20/12/2017

23:00-07:00

---

---

21/12/2017

07:00-23:00

---

---

21/12/2017

23:00-07:00

---

---

22/12/2017

07:00-23:00

---

---

22/12/2017

23:00-07:00

---

---

23/12/2017

07:00-23:00

47

47

23/12/2017

23:00-07:00

39

36

24/12/2017

07:00-23:00

---

---

24/12/2017

23:00-07:00

---

---

25/12/2017

07:00-23:00

---

---

25/12/2017

23:00-07:00

---

---

26/12/2017

07:00-23:00

38

38

26/12/2017

23:00-07:00

41

38

27/12/2017

07:00-23:00

49

46

27/12/2017

23:00-07:00

29

29

28/12/2017

07:00-23:00

---

---

28/12/2017

23:00-07:00

---

---

29/12/2017

07:00-23:00

---

---

29/12/2017

23:00-07:00

41

39

30/12/2017

07:00-23:00

50

49

30/12/2017

23:00-07:00

47

44

31/12/2017

07:00-23:00

38

34

31/12/2017

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

01/12/2017

07:00-19:00

51

46

46

37

01/12/2017

19:00-23:00

---

---

41

32

01/12/2017

23:00-07:00

44

33

38

32

02/12/2017

07:00-19:00

51

47

---

---

02/12/2017

19:00-23:00

---

---

36

32

02/12/2017

23:00-07:00

35

28

35

31

03/12/2017

07:00-23:00

48

41

49

36

03/12/2017

23:00-07:00

45

37

39

32

04/12/2017

07:00-19:00

---

---

40

38

04/12/2017

19:00-23:00

---

---

36

32

04/12/2017

23:00-07:00

45

36

45

33

05/12/2017

07:00-19:00

46

41

33

33

05/12/2017

19:00-23:00

50

44

45

37

05/12/2017

23:00-07:00

45

38

42

36

06/12/2017

07:00-19:00

48

44

40

36

06/12/2017

19:00-23:00

---

---

37

32

06/12/2017

23:00-07:00

45

36

40

34

07/12/2017

07:00-19:00

51

48

---

---

07/12/2017

19:00-23:00

25

25

52

36

07/12/2017

23:00-07:00

44

35

39

33

08/12/2017

07:00-19:00

54

47

---

---

08/12/2017

19:00-23:00

---

---

29

29

08/12/2017

23:00-07:00

45

39

37

31

09/12/2017

07:00-19:00

57

53

41

33

09/12/2017

19:00-23:00

---

---

41

37

09/12/2017

23:00-07:00

39

32

42

35

10/12/2017

07:00-23:00

46

38

48

34

10/12/2017

23:00-07:00

45

41

39

31

11/12/2017

07:00-19:00

57

53

38

35

11/12/2017

19:00-23:00

---

---

38

36

11/12/2017

23:00-07:00

34

28

40

32

12/12/2017

07:00-19:00

56

51

36

34

12/12/2017

19:00-23:00

47

43

41

34

12/12/2017

23:00-07:00

45

37

42

34

13/12/2017

07:00-19:00

57

51

49

42

13/12/2017

19:00-23:00

49

40

40

36

13/12/2017

23:00-07:00

45

41

43

37

14/12/2017

07:00-19:00

54

50

43

43

14/12/2017

19:00-23:00

---

---

34

28

14/12/2017

23:00-07:00

42

35

38

32

15/12/2017

07:00-19:00

50

46

---

---

15/12/2017

19:00-23:00

---

---

---

---

15/12/2017

23:00-07:00

37

31

40

33

16/12/2017

07:00-19:00

48

43

42

40

16/12/2017

19:00-23:00

44

35

46

35

16/12/2017

23:00-07:00

38

32

36

30

17/12/2017

07:00-23:00

28

28

50

34

17/12/2017

23:00-07:00

42

33

38

31

18/12/2017

07:00-19:00

47

43

33

33

18/12/2017

19:00-23:00

---

---

30

28

18/12/2017

23:00-07:00

43

35

40

34

19/12/2017

07:00-19:00

46

44

44

38

19/12/2017

19:00-23:00

37

32

41

33

19/12/2017

23:00-07:00

31

27

37

28

20/12/2017

07:00-19:00

45

42

32

32

20/12/2017

19:00-23:00

---

---

29

23

20/12/2017

23:00-07:00

---

---

17

17

21/12/2017

07:00-19:00

---

---

35

35

21/12/2017

19:00-23:00

---

---

43

31

21/12/2017

23:00-07:00

37

34

32

29

22/12/2017

07:00-19:00

---

---

47

41

22/12/2017

19:00-23:00

---

---

38

37

22/12/2017

23:00-07:00

36

34

45

33

23/12/2017

07:00-19:00

47

47

37

34

23/12/2017

19:00-23:00

---

---

38

32

23/12/2017

23:00-07:00

39

32

39

31

24/12/2017

07:00-23:00

52

37

53

35

24/12/2017

23:00-07:00

---

---

38

32

25/12/2017

07:00-23:00

45

39

53

35

25/12/2017

23:00-07:00

---

---

45

34

26/12/2017

07:00-23:00

38

33

45

36

26/12/2017

23:00-07:00

43

34

37

31

27/12/2017

07:00-19:00

49

44

40

35

27/12/2017

19:00-23:00

---

---

37

32

27/12/2017

23:00-07:00

38

34

37

34

28/12/2017

07:00-19:00

---

---

20

20

28/12/2017

19:00-23:00

---

---

51

34

28/12/2017

23:00-07:00

37

37

39

34

29/12/2017

07:00-19:00

---

---

40

40

29/12/2017

19:00-23:00

---

---

36

31

29/12/2017

23:00-07:00

44

37

39

31

30/12/2017

07:00-19:00

---

---

---

---

30/12/2017

19:00-23:00

51

48

38

32

30/12/2017

23:00-07:00

44

39

39

33

31/12/2017

07:00-23:00

58

34

40

34

31/12/2017

23:00-07:00

---

---

36

33

 

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.