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

01/09/2017

07:00-23:00

58

52

01/09/2017

23:00-07:00

32

32

02/09/2017

07:00-23:00

---

---

02/09/2017

23:00-07:00

---

---

03/09/2017

07:00-23:00

47

42

03/09/2017

23:00-07:00

37

35

04/09/2017

07:00-23:00

---

---

04/09/2017

23:00-07:00

42

42

05/09/2017

07:00-23:00

---

---

05/09/2017

23:00-07:00

---

---

06/09/2017

07:00-23:00

---

---

06/09/2017

23:00-07:00

---

---

07/09/2017

07:00-23:00

38

38

07/09/2017

23:00-07:00

---

---

08/09/2017

07:00-23:00

---

---

08/09/2017

23:00-07:00

---

---

09/09/2017

07:00-23:00

56

56

09/09/2017

23:00-07:00

---

---

10/09/2017

07:00-23:00

---

---

10/09/2017

23:00-07:00

46

41

11/09/2017

07:00-23:00

---

---

11/09/2017

23:00-07:00

---

---

12/09/2017

07:00-23:00

---

---

12/09/2017

23:00-07:00

---

---

13/09/2017

07:00-23:00

40

38

13/09/2017

23:00-07:00

37

34

14/09/2017

07:00-23:00

45

42

14/09/2017

23:00-07:00

45

45

15/09/2017

07:00-23:00

46

41

15/09/2017

23:00-07:00

40

39

16/09/2017

07:00-23:00

55

53

16/09/2017

23:00-07:00

43

39

17/09/2017

07:00-23:00

20

20

17/09/2017

23:00-07:00

---

---

18/09/2017

07:00-23:00

---

---

18/09/2017

23:00-07:00

---

---

19/09/2017

07:00-23:00

39

39

19/09/2017

23:00-07:00

---

---

20/09/2017

07:00-23:00

47

42

20/09/2017

23:00-07:00

---

---

21/09/2017

07:00-23:00

36

36

21/09/2017

23:00-07:00

37

35

22/09/2017

07:00-23:00

---

---

22/09/2017

23:00-07:00

---

---

23/09/2017

07:00-23:00

---

---

23/09/2017

23:00-07:00

38

38

24/09/2017

07:00-23:00

42

39

24/09/2017

23:00-07:00

36

36

25/09/2017

07:00-23:00

---

---

25/09/2017

23:00-07:00

---

---

26/09/2017

07:00-23:00

33

33

26/09/2017

23:00-07:00

---

---

27/09/2017

07:00-23:00

---

---

27/09/2017

23:00-07:00

---

---

28/09/2017

07:00-23:00

57

56

28/09/2017

23:00-07:00

---

---

29/09/2017

07:00-23:00

---

---

29/09/2017

23:00-07:00

---

---

30/09/2017

07:00-23:00

---

---

30/09/2017

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

01/09/2017

07:00-19:00

58

45

42

42

01/09/2017

19:00-23:00

39

39

---

---

01/09/2017

23:00-07:00

40

27

---

---

02/09/2017

07:00-19:00

---

---

---

---

02/09/2017

19:00-23:00

33

33

---

---

02/09/2017

23:00-07:00

35

27

---

---

03/09/2017

07:00-23:00

49

40

---

---

03/09/2017

23:00-07:00

42

34

---

---

04/09/2017

07:00-19:00

---

---

---

---

04/09/2017

19:00-23:00

---

---

---

---

04/09/2017

23:00-07:00

42

36

---

---

05/09/2017

07:00-19:00

---

---

---

---

05/09/2017

19:00-23:00

42

37

---

---

05/09/2017

23:00-07:00

---

---

---

---

06/09/2017

07:00-19:00

---

---

45

37

06/09/2017

19:00-23:00

---

---

50

36

06/09/2017

23:00-07:00

32

32

40

33

07/09/2017

07:00-19:00

38

38

42

36

07/09/2017

19:00-23:00

---

---

40

37

07/09/2017

23:00-07:00

33

32

41

35

08/09/2017

07:00-19:00

---

---

42

34

08/09/2017

19:00-23:00

43

39

42

36

08/09/2017

23:00-07:00

30

30

41

36

09/09/2017

07:00-19:00

56

56

51

37

09/09/2017

19:00-23:00

44

38

48

36

09/09/2017

23:00-07:00

45

37

45

38

10/09/2017

07:00-23:00

47

39

52

36

10/09/2017

23:00-07:00

44

38

40

32

11/09/2017

07:00-19:00

---

---

45

36

11/09/2017

19:00-23:00

38

38

44

37

11/09/2017

23:00-07:00

---

---

41

34

12/09/2017

07:00-19:00

---

---

44

38

12/09/2017

19:00-23:00

35

31

46

38

12/09/2017

23:00-07:00

---

---

43

39

13/09/2017

07:00-19:00

39

39

44

38

13/09/2017

19:00-23:00

45

38

48

36

13/09/2017

23:00-07:00

45

34

43

34

14/09/2017

07:00-19:00

45

42

43

37

14/09/2017

19:00-23:00

33

33

43

33

14/09/2017

23:00-07:00

45

45

40

35

15/09/2017

07:00-19:00

46

40

40

36

15/09/2017

19:00-23:00

40

34

44

38

15/09/2017

23:00-07:00

41

33

41

32

16/09/2017

07:00-19:00

---

---

44

34

16/09/2017

19:00-23:00

57

53

43

37

16/09/2017

23:00-07:00

45

38

38

31

17/09/2017

07:00-23:00

30

28

47

38

17/09/2017

23:00-07:00

42

42

44

36

18/09/2017

07:00-19:00

---

---

42

39

18/09/2017

19:00-23:00

---

---

44

39

18/09/2017

23:00-07:00

---

---

39

35

19/09/2017

07:00-19:00

39

39

44

37

19/09/2017

19:00-23:00

41

37

46

35

19/09/2017

23:00-07:00

---

---

40

35

20/09/2017

07:00-19:00

47

38

42

33

20/09/2017

19:00-23:00

---

---

42

35

20/09/2017

23:00-07:00

---

---

43

35

21/09/2017

07:00-19:00

36

36

43

37

21/09/2017

19:00-23:00

---

---

44

39

21/09/2017

23:00-07:00

45

39

42

33

22/09/2017

07:00-19:00

---

---

45

42

22/09/2017

19:00-23:00

38

32

43

36

22/09/2017

23:00-07:00

44

35

43

36

23/09/2017

07:00-19:00

---

---

45

42

23/09/2017

19:00-23:00

---

---

43

34

23/09/2017

23:00-07:00

45

36

44

36

24/09/2017

07:00-23:00

45

36

51

40

24/09/2017

23:00-07:00

36

28

45

38

25/09/2017

07:00-19:00

---

---

43

40

25/09/2017

19:00-23:00

---

---

44

39

25/09/2017

23:00-07:00

---

---

41

35

26/09/2017

07:00-19:00

33

33

38

32

26/09/2017

19:00-23:00

---

---

40

39

26/09/2017

23:00-07:00

34

34

38

33

27/09/2017

07:00-19:00

---

---

39

37

27/09/2017

19:00-23:00

---

---

42

34

27/09/2017

23:00-07:00

32

32

38

33

28/09/2017

07:00-19:00

57

56

38

34

28/09/2017

19:00-23:00

---

---

40

32

28/09/2017

23:00-07:00

---

---

39

34

29/09/2017

07:00-19:00

---

---

42

39

29/09/2017

19:00-23:00

---

---

44

38

29/09/2017

23:00-07:00

38

37

44

37

30/09/2017

07:00-19:00

---

---

44

36

30/09/2017

19:00-23:00

34

34

42

37

30/09/2017

23:00-07:00

36

36

45

41

 

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.