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

01/03/2019

07:00-23:00

---

---

01/03/2019

23:00-07:00

---

---

02/03/2019

07:00-23:00

---

---

02/03/2019

23:00-07:00

---

---

03/03/2019

07:00-23:00

53

47

03/03/2019

23:00-07:00

37

36

04/03/2019

07:00-23:00

50

47

04/03/2019

23:00-07:00

41

39

05/03/2019

07:00-23:00

47

47

05/03/2019

23:00-07:00

35

35

06/03/2019

07:00-23:00

48

45

06/03/2019

23:00-07:00

---

---

07/03/2019

07:00-23:00

41

39

07/03/2019

23:00-07:00

35

31

08/03/2019

07:00-23:00

37

34

08/03/2019

23:00-07:00

43

38

09/03/2019

07:00-23:00

23

23

09/03/2019

23:00-07:00

44

41

10/03/2019

07:00-23:00

52

45

10/03/2019

23:00-07:00

---

---

11/03/2019

07:00-23:00

---

---

11/03/2019

23:00-07:00

39

39

12/03/2019

07:00-23:00

38

38

12/03/2019

23:00-07:00

---

---

13/03/2019

07:00-23:00

34

34

13/03/2019

23:00-07:00

42

36

14/03/2019

07:00-23:00

---

---

14/03/2019

23:00-07:00

---

---

15/03/2019

07:00-23:00

54

54

15/03/2019

23:00-07:00

---

---

16/03/2019

07:00-23:00

---

---

16/03/2019

23:00-07:00

42

42

17/03/2019

07:00-23:00

41

38

17/03/2019

23:00-07:00

42

38

18/03/2019

07:00-23:00

53

53

18/03/2019

23:00-07:00

39

39

19/03/2019

07:00-23:00

---

---

19/03/2019

23:00-07:00

44

41

20/03/2019

07:00-23:00

---

---

20/03/2019

23:00-07:00

---

---

21/03/2019

07:00-23:00

---

---

21/03/2019

23:00-07:00

40

40

22/03/2019

07:00-23:00

38

38

22/03/2019

23:00-07:00

43

40

23/03/2019

07:00-23:00

---

---

23/03/2019

23:00-07:00

45

45

24/03/2019

07:00-23:00

47

42

24/03/2019

23:00-07:00

44

44

25/03/2019

07:00-23:00

49

47

25/03/2019

23:00-07:00

---

---

26/03/2019

07:00-23:00

---

---

26/03/2019

23:00-07:00

45

45

27/03/2019

07:00-23:00

---

---

27/03/2019

23:00-07:00

---

---

28/03/2019

07:00-23:00

43

42

28/03/2019

23:00-07:00

---

---

29/03/2019

07:00-23:00

50

47

29/03/2019

23:00-07:00

34

31

30/03/2019

07:00-23:00

---

---

30/03/2019

23:00-07:00

38

34

31/03/2019

07:00-23:00

44

38

31/03/2019

23:00-07:00

39

38

 

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

01/03/2019

07:00-19:00

---

---

41

35

01/03/2019

19:00-23:00

---

---

53

41

01/03/2019

23:00-07:00

36

36

45

39

02/03/2019

07:00-19:00

---

---

42

40

02/03/2019

19:00-23:00

---

---

48

44

02/03/2019

23:00-07:00

39

39

45

41

03/03/2019

07:00-23:00

60

42

56

39

03/03/2019

23:00-07:00

38

31

45

38

04/03/2019

07:00-19:00

50

48

44

37

04/03/2019

19:00-23:00

42

39

46

38

04/03/2019

23:00-07:00

45

40

45

37

05/03/2019

07:00-19:00

47

47

40

35

05/03/2019

19:00-23:00

---

---

42

37

05/03/2019

23:00-07:00

37

34

44

41

06/03/2019

07:00-19:00

48

40

42

35

06/03/2019

19:00-23:00

---

---

40

37

06/03/2019

23:00-07:00

34

28

41

34

07/03/2019

07:00-19:00

41

41

47

45

07/03/2019

19:00-23:00

41

37

44

39

07/03/2019

23:00-07:00

40

33

43

34

08/03/2019

07:00-19:00

25

25

57

38

08/03/2019

19:00-23:00

45

38

41

35

08/03/2019

23:00-07:00

44

36

44

34

09/03/2019

07:00-19:00

---

---

46

38

09/03/2019

19:00-23:00

37

26

49

39

09/03/2019

23:00-07:00

45

32

44

38

10/03/2019

07:00-23:00

54

41

49

36

10/03/2019

23:00-07:00

41

33

42

38

11/03/2019

07:00-19:00

---

---

46

40

11/03/2019

19:00-23:00

29

28

47

42

11/03/2019

23:00-07:00

39

33

44

40

12/03/2019

07:00-19:00

38

38

47

40

12/03/2019

19:00-23:00

---

---

48

45

12/03/2019

23:00-07:00

25

25

44

41

13/03/2019

07:00-19:00

---

---

45

38

13/03/2019

19:00-23:00

40

34

45

36

13/03/2019

23:00-07:00

42

33

44

34

14/03/2019

07:00-19:00

---

---

45

39

14/03/2019

19:00-23:00

---

---

41

37

14/03/2019

23:00-07:00

28

28

40

37

15/03/2019

07:00-19:00

54

54

47

38

15/03/2019

19:00-23:00

---

---

41

36

15/03/2019

23:00-07:00

23

22

44

35

16/03/2019

07:00-19:00

---

---

37

32

16/03/2019

19:00-23:00

---

---

41

38

16/03/2019

23:00-07:00

42

33

41

36

17/03/2019

07:00-23:00

47

40

47

37

17/03/2019

23:00-07:00

43

37

44

37

18/03/2019

07:00-19:00

53

53

44

38

18/03/2019

19:00-23:00

---

---

43

37

18/03/2019

23:00-07:00

39

31

42

37

19/03/2019

07:00-19:00

---

---

45

38

19/03/2019

19:00-23:00

---

---

41

37

19/03/2019

23:00-07:00

45

40

42

36

20/03/2019

07:00-19:00

---

---

45

38

20/03/2019

19:00-23:00

31

31

40

36

20/03/2019

23:00-07:00

42

37

44

39

21/03/2019

07:00-19:00

---

---

43

42

21/03/2019

19:00-23:00

42

35

41

36

21/03/2019

23:00-07:00

41

40

41

32

22/03/2019

07:00-19:00

38

38

41

31

22/03/2019

19:00-23:00

---

---

49

40

22/03/2019

23:00-07:00

43

35

42

35

23/03/2019

07:00-19:00

---

---

43

37

23/03/2019

19:00-23:00

---

---

47

38

23/03/2019

23:00-07:00

45

44

42

38

24/03/2019

07:00-23:00

59

39

43

37

24/03/2019

23:00-07:00

44

36

44

39

25/03/2019

07:00-19:00

49

46

48

38

25/03/2019

19:00-23:00

---

---

49

41

25/03/2019

23:00-07:00

35

24

44

40

26/03/2019

07:00-19:00

---

---

46

42

26/03/2019

19:00-23:00

---

---

42

38

26/03/2019

23:00-07:00

45

36

44

40

27/03/2019

07:00-19:00

---

---

53

38

27/03/2019

19:00-23:00

---

---

45

42

27/03/2019

23:00-07:00

---

---

43

37

28/03/2019

07:00-19:00

43

42

43

38

28/03/2019

19:00-23:00

---

---

47

37

28/03/2019

23:00-07:00

32

32

43

38

29/03/2019

07:00-19:00

50

46

45

38

29/03/2019

19:00-23:00

40

40

42

38

29/03/2019

23:00-07:00

35

28

44

34

30/03/2019

07:00-19:00

---

---

44

39

30/03/2019

19:00-23:00

---

---

41

38

30/03/2019

23:00-07:00

44

36

45

39

31/03/2019

07:00-23:00

48

37

50

36

31/03/2019

23:00-07:00

44

37

45

36

 

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.