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

01/09/2020

07:00-23:00

38

37

01/09/2020

23:00-07:00

45

43

02/09/2020

07:00-23:00

44

44

02/09/2020

23:00-07:00

50

49

03/09/2020

07:00-23:00

54

54

03/09/2020

23:00-07:00

---

---

04/09/2020

07:00-23:00

---

---

04/09/2020

23:00-07:00

---

---

05/09/2020

07:00-23:00

---

---

05/09/2020

23:00-07:00

---

---

06/09/2020

07:00-23:00

---

---

06/09/2020

23:00-07:00

49

46

07/09/2020

07:00-23:00

---

---

07/09/2020

23:00-07:00

---

---

08/09/2020

07:00-23:00

56

50

08/09/2020

23:00-07:00

---

---

09/09/2020

07:00-23:00

50

48

09/09/2020

23:00-07:00

47

47

10/09/2020

07:00-23:00

56

52

10/09/2020

23:00-07:00

41

41

11/09/2020

07:00-23:00

43

40

11/09/2020

23:00-07:00

30

30

12/09/2020

07:00-23:00

40

40

12/09/2020

23:00-07:00

48

48

13/09/2020

07:00-23:00

39

39

13/09/2020

23:00-07:00

42

39

14/09/2020

07:00-23:00

54

52

14/09/2020

23:00-07:00

---

---

15/09/2020

07:00-23:00

56

51

15/09/2020

23:00-07:00

---

---

16/09/2020

07:00-23:00

---

---

16/09/2020

23:00-07:00

29

28

17/09/2020

07:00-23:00

---

---

17/09/2020

23:00-07:00

30

30

18/09/2020

07:00-23:00

---

---

18/09/2020

23:00-07:00

---

---

19/09/2020

07:00-23:00

43

43

19/09/2020

23:00-07:00

---

---

20/09/2020

07:00-23:00

51

51

20/09/2020

23:00-07:00

44

41

21/09/2020

07:00-23:00

55

54

21/09/2020

23:00-07:00

---

---

22/09/2020

07:00-23:00

---

---

22/09/2020

23:00-07:00

36

36

23/09/2020

07:00-23:00

---

---

23/09/2020

23:00-07:00

43

43

24/09/2020

07:00-23:00

50

46

24/09/2020

23:00-07:00

33

33

25/09/2020

07:00-23:00

37

37

25/09/2020

23:00-07:00

---

---

26/09/2020

07:00-23:00

50

50

26/09/2020

23:00-07:00

39

39

27/09/2020

07:00-23:00

---

---

27/09/2020

23:00-07:00

50

44

28/09/2020

07:00-23:00

---

---

28/09/2020

23:00-07:00

28

25

29/09/2020

07:00-23:00

56

51

29/09/2020

23:00-07:00

41

39

30/09/2020

07:00-23:00

43

42

30/09/2020

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

01/09/2020

07:00-19:00

38

37

---

---

01/09/2020

19:00-23:00

---

---

32

32

01/09/2020

23:00-07:00

45

42

---

---

02/09/2020

07:00-19:00

44

44

41

38

02/09/2020

19:00-23:00

---

---

45

41

02/09/2020

23:00-07:00

41

35

39

31

03/09/2020

07:00-19:00

54

54

43

38

03/09/2020

19:00-23:00

---

---

34

31

03/09/2020

23:00-07:00

44

35

40

34

04/09/2020

07:00-19:00

---

---

38

33

04/09/2020

19:00-23:00

---

---

37

31

04/09/2020

23:00-07:00

35

35

45

35

05/09/2020

07:00-19:00

---

---

41

34

05/09/2020

19:00-23:00

---

---

49

36

05/09/2020

23:00-07:00

---

---

40

35

06/09/2020

07:00-23:00

52

52

47

35

06/09/2020

23:00-07:00

45

41

45

37

07/09/2020

07:00-19:00

---

---

41

37

07/09/2020

19:00-23:00

---

---

40

35

07/09/2020

23:00-07:00

39

35

42

38

08/09/2020

07:00-19:00

56

45

44

38

08/09/2020

19:00-23:00

---

---

41

38

08/09/2020

23:00-07:00

---

---

42

36

09/09/2020

07:00-19:00

50

46

42

39

09/09/2020

19:00-23:00

---

---

29

27

09/09/2020

23:00-07:00

44

40

42

33

10/09/2020

07:00-19:00

56

49

40

29

10/09/2020

19:00-23:00

---

---

35

35

10/09/2020

23:00-07:00

42

39

40

34

11/09/2020

07:00-19:00

43

43

39

35

11/09/2020

19:00-23:00

45

40

38

31

11/09/2020

23:00-07:00

45

38

43

35

12/09/2020

07:00-19:00

---

---

38

34

12/09/2020

19:00-23:00

46

41

42

34

12/09/2020

23:00-07:00

---

---

42

36

13/09/2020

07:00-23:00

---

---

40

35

13/09/2020

23:00-07:00

45

38

44

39

14/09/2020

07:00-19:00

54

51

50

36

14/09/2020

19:00-23:00

---

---

40

36

14/09/2020

23:00-07:00

45

42

42

36

15/09/2020

07:00-19:00

56

48

56

40

15/09/2020

19:00-23:00

46

42

45

40

15/09/2020

23:00-07:00

---

---

43

38

16/09/2020

07:00-19:00

---

---

41

35

16/09/2020

19:00-23:00

---

---

---

---

16/09/2020

23:00-07:00

43

34

41

34

17/09/2020

07:00-19:00

---

---

42

36

17/09/2020

19:00-23:00

45

34

41

34

17/09/2020

23:00-07:00

30

27

40

30

18/09/2020

07:00-19:00

---

---

46

40

18/09/2020

19:00-23:00

44

29

43

35

18/09/2020

23:00-07:00

33

33

42

38

19/09/2020

07:00-19:00

43

43

41

38

19/09/2020

19:00-23:00

43

43

40

37

19/09/2020

23:00-07:00

---

---

41

34

20/09/2020

07:00-23:00

51

40

46

35

20/09/2020

23:00-07:00

44

40

42

34

21/09/2020

07:00-19:00

55

55

45

40

21/09/2020

19:00-23:00

58

48

54

42

21/09/2020

23:00-07:00

41

37

42

38

22/09/2020

07:00-19:00

---

---

44

40

22/09/2020

19:00-23:00

---

---

39

36

22/09/2020

23:00-07:00

40

34

41

37

23/09/2020

07:00-19:00

---

---

43

38

23/09/2020

19:00-23:00

41

41

39

34

23/09/2020

23:00-07:00

43

38

40

34

24/09/2020

07:00-19:00

50

49

---

---

24/09/2020

19:00-23:00

46

38

35

35

24/09/2020

23:00-07:00

41

37

39

31

25/09/2020

07:00-19:00

37

37

48

36

25/09/2020

19:00-23:00

---

---

44

33

25/09/2020

23:00-07:00

37

37

41

37

26/09/2020

07:00-19:00

50

50

37

33

26/09/2020

19:00-23:00

39

39

44

36

26/09/2020

23:00-07:00

39

23

44

39

27/09/2020

07:00-23:00

38

38

47

34

27/09/2020

23:00-07:00

45

37

39

32

28/09/2020

07:00-19:00

---

---

42

41

28/09/2020

19:00-23:00

---

---

34

28

28/09/2020

23:00-07:00

45

37

40

30

29/09/2020

07:00-19:00

56

43

41

35

29/09/2020

19:00-23:00

---

---

49

46

29/09/2020

23:00-07:00

45

41

42

35

30/09/2020

07:00-19:00

43

41

41

37

30/09/2020

19:00-23:00

59

45

54

40

30/09/2020

23:00-07:00

39

34

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.