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

01/05/2020

07:00-23:00

---

---

01/05/2020

23:00-07:00

45

43

02/05/2020

07:00-23:00

---

---

02/05/2020

23:00-07:00

---

---

03/05/2020

07:00-23:00

42

41

03/05/2020

23:00-07:00

47

44

04/05/2020

07:00-23:00

51

51

04/05/2020

23:00-07:00

---

---

05/05/2020

07:00-23:00

44

44

05/05/2020

23:00-07:00

---

---

06/05/2020

07:00-23:00

---

---

06/05/2020

23:00-07:00

---

---

07/05/2020

07:00-23:00

48

48

07/05/2020

23:00-07:00

---

---

08/05/2020

07:00-23:00

52

52

08/05/2020

23:00-07:00

---

---

09/05/2020

07:00-23:00

48

46

09/05/2020

23:00-07:00

---

---

10/05/2020

07:00-23:00

44

43

10/05/2020

23:00-07:00

48

45

11/05/2020

07:00-23:00

60

56

11/05/2020

23:00-07:00

47

47

12/05/2020

07:00-23:00

53

52

12/05/2020

23:00-07:00

46

46

13/05/2020

07:00-23:00

39

39

13/05/2020

23:00-07:00

32

31

14/05/2020

07:00-23:00

---

---

14/05/2020

23:00-07:00

46

44

15/05/2020

07:00-23:00

56

56

15/05/2020

23:00-07:00

---

---

16/05/2020

07:00-23:00

---

---

16/05/2020

23:00-07:00

43

43

17/05/2020

07:00-23:00

55

50

17/05/2020

23:00-07:00

38

38

18/05/2020

07:00-23:00

59

54

18/05/2020

23:00-07:00

---

---

19/05/2020

07:00-23:00

---

---

19/05/2020

23:00-07:00

30

30

20/05/2020

07:00-23:00

---

---

20/05/2020

23:00-07:00

44

42

21/05/2020

07:00-23:00

52

50

21/05/2020

23:00-07:00

37

37

22/05/2020

07:00-23:00

39

38

22/05/2020

23:00-07:00

---

---

23/05/2020

07:00-23:00

---

---

23/05/2020

23:00-07:00

46

44

24/05/2020

07:00-23:00

52

46

24/05/2020

23:00-07:00

---

---

25/05/2020

07:00-23:00

49

49

25/05/2020

23:00-07:00

39

38

26/05/2020

07:00-23:00

---

---

26/05/2020

23:00-07:00

35

34

27/05/2020

07:00-23:00

52

49

27/05/2020

23:00-07:00

39

36

28/05/2020

07:00-23:00

---

---

28/05/2020

23:00-07:00

38

38

29/05/2020

07:00-23:00

48

48

29/05/2020

23:00-07:00

49

46

30/05/2020

07:00-23:00

54

50

30/05/2020

23:00-07:00

29

29

31/05/2020

07:00-23:00

47

43

31/05/2020

23:00-07:00

36

35

 

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

01/05/2020

07:00-23:00

51

38

37

32

01/05/2020

23:00-07:00

45

41

41

34

02/05/2020

07:00-19:00

---

---

37

36

02/05/2020

19:00-23:00

---

---

38

30

02/05/2020

23:00-07:00

40

35

39

32

03/05/2020

07:00-23:00

44

38

49

37

03/05/2020

23:00-07:00

45

41

38

32

04/05/2020

07:00-19:00

51

51

32

32

04/05/2020

19:00-23:00

---

---

40

31

04/05/2020

23:00-07:00

41

41

43

35

05/05/2020

07:00-19:00

44

44

41

38

05/05/2020

19:00-23:00

38

38

44

35

05/05/2020

23:00-07:00

38

38

38

35

06/05/2020

07:00-19:00

---

---

40

40

06/05/2020

19:00-23:00

---

---

38

35

06/05/2020

23:00-07:00

---

---

43

37

07/05/2020

07:00-19:00

48

48

22

22

07/05/2020

19:00-23:00

---

---

---

---

07/05/2020

23:00-07:00

---

---

40

33

08/05/2020

07:00-19:00

52

52

16

16

08/05/2020

19:00-23:00

---

---

44

41

08/05/2020

23:00-07:00

44

39

39

30

09/05/2020

07:00-19:00

48

46

38

38

09/05/2020

19:00-23:00

32

32

40

37

09/05/2020

23:00-07:00

38

38

---

---

10/05/2020

07:00-23:00

49

39

43

38

10/05/2020

23:00-07:00

45

41

---

---

11/05/2020

07:00-19:00

60

57

40

37

11/05/2020

19:00-23:00

45

41

44

39

11/05/2020

23:00-07:00

41

39

40

36

12/05/2020

07:00-19:00

53

52

---

---

12/05/2020

19:00-23:00

---

---

---

---

12/05/2020

23:00-07:00

42

36

---

---

13/05/2020

07:00-19:00

39

39

---

---

13/05/2020

19:00-23:00

---

---

40

36

13/05/2020

23:00-07:00

44

38

39

33

14/05/2020

07:00-19:00

---

---

---

---

14/05/2020

19:00-23:00

---

---

37

33

14/05/2020

23:00-07:00

44

41

37

30

15/05/2020

07:00-19:00

56

56

30

30

15/05/2020

19:00-23:00

---

---

38

32

15/05/2020

23:00-07:00

45

30

36

27

16/05/2020

07:00-19:00

---

---

---

---

16/05/2020

19:00-23:00

---

---

33

31

16/05/2020

23:00-07:00

45

37

37

32

17/05/2020

07:00-23:00

45

40

36

36

17/05/2020

23:00-07:00

44

35

45

36

18/05/2020

07:00-19:00

59

49

51

39

18/05/2020

19:00-23:00

---

---

31

31

18/05/2020

23:00-07:00

45

45

38

27

19/05/2020

07:00-19:00

---

---

35

35

19/05/2020

19:00-23:00

---

---

---

---

19/05/2020

23:00-07:00

40

35

40

33

20/05/2020

07:00-19:00

---

---

36

34

20/05/2020

19:00-23:00

33

31

44

36

20/05/2020

23:00-07:00

45

40

44

34

21/05/2020

07:00-19:00

52

49

41

40

21/05/2020

19:00-23:00

---

---

40

37

21/05/2020

23:00-07:00

37

36

44

35

22/05/2020

07:00-19:00

39

39

41

36

22/05/2020

19:00-23:00

42

37

37

29

22/05/2020

23:00-07:00

---

---

43

37

23/05/2020

07:00-19:00

---

---

43

41

23/05/2020

19:00-23:00

---

---

39

36

23/05/2020

23:00-07:00

44

38

42

36

24/05/2020

07:00-23:00

53

42

44

32

24/05/2020

23:00-07:00

43

38

39

32

25/05/2020

07:00-19:00

49

49

45

45

25/05/2020

19:00-23:00

---

---

46

33

25/05/2020

23:00-07:00

45

41

37

30

26/05/2020

07:00-19:00

---

---

26

26

26/05/2020

19:00-23:00

---

---

45

45

26/05/2020

23:00-07:00

43

36

41

37

27/05/2020

07:00-19:00

52

47

---

---

27/05/2020

19:00-23:00

---

---

43

38

27/05/2020

23:00-07:00

45

36

41

33

28/05/2020

07:00-19:00

---

---

---

---

28/05/2020

19:00-23:00

---

---

38

32

28/05/2020

23:00-07:00

45

38

38

32

29/05/2020

07:00-19:00

48

48

35

35

29/05/2020

19:00-23:00

---

---

45

36

29/05/2020

23:00-07:00

45

38

44

35

30/05/2020

07:00-19:00

54

47

47

37

30/05/2020

19:00-23:00

42

42

45

42

30/05/2020

23:00-07:00

41

36

44

32

31/05/2020

07:00-23:00

60

43

49

42

31/05/2020

23:00-07:00

37

33

41

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.