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

01/02/2020

07:00-23:00

---

---

01/02/2020

23:00-07:00

---

---

02/02/2020

07:00-23:00

42

39

02/02/2020

23:00-07:00

43

41

03/02/2020

07:00-23:00

---

---

03/02/2020

23:00-07:00

47

43

04/02/2020

07:00-23:00

50

50

04/02/2020

23:00-07:00

42

42

05/02/2020

07:00-23:00

55

55

05/02/2020

23:00-07:00

45

40

06/02/2020

07:00-23:00

---

---

06/02/2020

23:00-07:00

---

---

07/02/2020

07:00-23:00

28

28

07/02/2020

23:00-07:00

45

45

08/02/2020

07:00-23:00

---

---

08/02/2020

23:00-07:00

48

45

09/02/2020

07:00-23:00

40

38

09/02/2020

23:00-07:00

47

44

10/02/2020

07:00-23:00

48

48

10/02/2020

23:00-07:00

45

43

11/02/2020

07:00-23:00

56

52

11/02/2020

23:00-07:00

48

46

12/02/2020

07:00-23:00

55

55

12/02/2020

23:00-07:00

46

44

13/02/2020

07:00-23:00

54

50

13/02/2020

23:00-07:00

44

44

14/02/2020

07:00-23:00

46

45

14/02/2020

23:00-07:00

43

40

15/02/2020

07:00-23:00

57

57

15/02/2020

23:00-07:00

---

---

16/02/2020

07:00-23:00

---

---

16/02/2020

23:00-07:00

50

47

17/02/2020

07:00-23:00

---

---

17/02/2020

23:00-07:00

---

---

18/02/2020

07:00-23:00

---

---

18/02/2020

23:00-07:00

34

34

19/02/2020

07:00-23:00

---

---

19/02/2020

23:00-07:00

---

---

20/02/2020

07:00-23:00

---

---

20/02/2020

23:00-07:00

---

---

21/02/2020

07:00-23:00

---

---

21/02/2020

23:00-07:00

46

44

22/02/2020

07:00-23:00

---

---

22/02/2020

23:00-07:00

45

42

23/02/2020

07:00-23:00

43

40

23/02/2020

23:00-07:00

38

38

24/02/2020

07:00-23:00

---

---

24/02/2020

23:00-07:00

46

44

25/02/2020

07:00-23:00

26

26

25/02/2020

23:00-07:00

49

46

26/02/2020

07:00-23:00

---

---

26/02/2020

23:00-07:00

47

45

27/02/2020

07:00-23:00

57

53

27/02/2020

23:00-07:00

47

45

28/02/2020

07:00-23:00

52

48

28/02/2020

23:00-07:00

46

43

29/02/2020

07:00-23:00

54

50

29/02/2020

23:00-07:00

44

44

 

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

01/02/2020

07:00-19:00

---

---

39

34

01/02/2020

19:00-23:00

---

---

43

39

01/02/2020

23:00-07:00

37

31

43

34

02/02/2020

07:00-23:00

42

34

42

35

02/02/2020

23:00-07:00

44

38

39

35

03/02/2020

07:00-19:00

---

---

36

32

03/02/2020

19:00-23:00

---

---

38

35

03/02/2020

23:00-07:00

45

37

45

39

04/02/2020

07:00-19:00

50

50

40

36

04/02/2020

19:00-23:00

---

---

49

40

04/02/2020

23:00-07:00

45

41

43

39

05/02/2020

07:00-19:00

55

55

39

35

05/02/2020

19:00-23:00

42

42

43

38

05/02/2020

23:00-07:00

45

37

44

35

06/02/2020

07:00-19:00

---

---

44

39

06/02/2020

19:00-23:00

---

---

42

40

06/02/2020

23:00-07:00

37

29

44

39

07/02/2020

07:00-19:00

28

28

42

38

07/02/2020

19:00-23:00

---

---

42

38

07/02/2020

23:00-07:00

45

43

42

36

08/02/2020

07:00-19:00

---

---

43

36

08/02/2020

19:00-23:00

---

---

48

41

08/02/2020

23:00-07:00

45

40

42

35

09/02/2020

07:00-23:00

51

38

43

37

09/02/2020

23:00-07:00

45

41

43

35

10/02/2020

07:00-19:00

48

48

41

36

10/02/2020

19:00-23:00

---

---

42

34

10/02/2020

23:00-07:00

45

41

44

36

11/02/2020

07:00-19:00

56

51

36

36

11/02/2020

19:00-23:00

---

---

37

31

11/02/2020

23:00-07:00

45

43

40

38

12/02/2020

07:00-19:00

55

55

35

35

12/02/2020

19:00-23:00

---

---

34

26

12/02/2020

23:00-07:00

45

40

45

36

13/02/2020

07:00-19:00

54

48

60

39

13/02/2020

19:00-23:00

---

---

37

34

13/02/2020

23:00-07:00

45

42

40

35

14/02/2020

07:00-19:00

46

46

40

35

14/02/2020

19:00-23:00

43

36

38

30

14/02/2020

23:00-07:00

44

38

43

34

15/02/2020

07:00-19:00

57

57

40

34

15/02/2020

19:00-23:00

---

---

40

34

15/02/2020

23:00-07:00

44

44

40

35

16/02/2020

07:00-23:00

32

27

45

37

16/02/2020

23:00-07:00

25

25

43

40

17/02/2020

07:00-19:00

---

---

26

26

17/02/2020

19:00-23:00

---

---

37

31

17/02/2020

23:00-07:00

29

29

39

33

18/02/2020

07:00-19:00

---

---

36

34

18/02/2020

19:00-23:00

---

---

42

40

18/02/2020

23:00-07:00

34

34

45

39

19/02/2020

07:00-19:00

---

---

42

40

19/02/2020

19:00-23:00

---

---

42

40

19/02/2020

23:00-07:00

---

---

44

37

20/02/2020

07:00-19:00

---

---

45

39

20/02/2020

19:00-23:00

---

---

43

39

20/02/2020

23:00-07:00

---

---

43

38

21/02/2020

07:00-19:00

---

---

42

39

21/02/2020

19:00-23:00

---

---

42

40

21/02/2020

23:00-07:00

44

40

43

37

22/02/2020

07:00-19:00

---

---

42

35

22/02/2020

19:00-23:00

---

---

46

42

22/02/2020

23:00-07:00

45

40

45

36

23/02/2020

07:00-23:00

45

38

47

38

23/02/2020

23:00-07:00

45

38

45

38

24/02/2020

07:00-19:00

---

---

44

35

24/02/2020

19:00-23:00

---

---

43

38

24/02/2020

23:00-07:00

45

41

44

36

25/02/2020

07:00-19:00

26

26

41

35

25/02/2020

19:00-23:00

---

---

42

36

25/02/2020

23:00-07:00

45

42

43

37

26/02/2020

07:00-19:00

---

---

42

42

26/02/2020

19:00-23:00

---

---

43

39

26/02/2020

23:00-07:00

45

43

40

35

27/02/2020

07:00-19:00

57

53

43

38

27/02/2020

19:00-23:00

30

30

43

38

27/02/2020

23:00-07:00

45

41

44

42

28/02/2020

07:00-19:00

52

46

36

33

28/02/2020

19:00-23:00

51

48

37

30

28/02/2020

23:00-07:00

45

42

41

36

29/02/2020

07:00-19:00

54

47

42

36

29/02/2020

19:00-23:00

---

---

41

34

29/02/2020

23:00-07:00

45

44

25

25

 

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.