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

01/09/2019

07:00-23:00

45

43

01/09/2019

23:00-07:00

38

38

02/09/2019

07:00-23:00

48

48

02/09/2019

23:00-07:00

31

31

03/09/2019

07:00-23:00

---

---

03/09/2019

23:00-07:00

---

---

04/09/2019

07:00-23:00

37

36

04/09/2019

23:00-07:00

---

---

05/09/2019

07:00-23:00

---

---

05/09/2019

23:00-07:00

---

---

06/09/2019

07:00-23:00

---

---

06/09/2019

23:00-07:00

33

32

07/09/2019

07:00-23:00

---

---

07/09/2019

23:00-07:00

38

38

08/09/2019

07:00-23:00

59

52

08/09/2019

23:00-07:00

---

---

09/09/2019

07:00-23:00

---

---

09/09/2019

23:00-07:00

---

---

10/09/2019

07:00-23:00

---

---

10/09/2019

23:00-07:00

36

36

11/09/2019

07:00-23:00

28

28

11/09/2019

23:00-07:00

---

---

12/09/2019

07:00-23:00

51

51

12/09/2019

23:00-07:00

---

---

13/09/2019

07:00-23:00

42

42

13/09/2019

23:00-07:00

36

36

14/09/2019

07:00-23:00

55

52

14/09/2019

23:00-07:00

---

---

15/09/2019

07:00-23:00

---

---

15/09/2019

23:00-07:00

40

40

16/09/2019

07:00-23:00

56

55

16/09/2019

23:00-07:00

---

---

17/09/2019

07:00-23:00

52

52

17/09/2019

23:00-07:00

---

---

18/09/2019

07:00-23:00

52

50

18/09/2019

23:00-07:00

40

38

19/09/2019

07:00-23:00

50

50

19/09/2019

23:00-07:00

47

44

20/09/2019

07:00-23:00

49

47

20/09/2019

23:00-07:00

---

---

21/09/2019

07:00-23:00

52

49

21/09/2019

23:00-07:00

---

---

22/09/2019

07:00-23:00

47

45

22/09/2019

23:00-07:00

---

---

23/09/2019

07:00-23:00

35

35

23/09/2019

23:00-07:00

49

49

24/09/2019

07:00-23:00

---

---

24/09/2019

23:00-07:00

47

45

25/09/2019

07:00-23:00

54

52

25/09/2019

23:00-07:00

47

47

26/09/2019

07:00-23:00

52

48

26/09/2019

23:00-07:00

41

41

27/09/2019

07:00-23:00

56

51

27/09/2019

23:00-07:00

48

48

28/09/2019

07:00-23:00

49

47

28/09/2019

23:00-07:00

38

38

29/09/2019

07:00-23:00

42

40

29/09/2019

23:00-07:00

44

44

30/09/2019

07:00-23:00

51

49

30/09/2019

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

01/09/2019

07:00-23:00

46

37

51

37

01/09/2019

23:00-07:00

40

35

44

38

02/09/2019

07:00-19:00

48

48

48

41

02/09/2019

19:00-23:00

---

---

43

37

02/09/2019

23:00-07:00

31

31

44

37

03/09/2019

07:00-19:00

---

---

43

40

03/09/2019

19:00-23:00

---

---

43

38

03/09/2019

23:00-07:00

35

32

43

40

04/09/2019

07:00-19:00

37

36

41

36

04/09/2019

19:00-23:00

---

---

44

38

04/09/2019

23:00-07:00

34

32

44

39

05/09/2019

07:00-19:00

---

---

44

41

05/09/2019

19:00-23:00

---

---

44

40

05/09/2019

23:00-07:00

---

---

44

38

06/09/2019

07:00-19:00

---

---

44

39

06/09/2019

19:00-23:00

---

---

43

40

06/09/2019

23:00-07:00

45

37

44

37

07/09/2019

07:00-19:00

---

---

39

35

07/09/2019

19:00-23:00

---

---

52

41

07/09/2019

23:00-07:00

38

36

44

39

08/09/2019

07:00-23:00

59

42

45

38

08/09/2019

23:00-07:00

---

---

45

39

09/09/2019

07:00-19:00

---

---

43

38

09/09/2019

19:00-23:00

---

---

43

40

09/09/2019

23:00-07:00

---

---

45

41

10/09/2019

07:00-19:00

---

---

55

40

10/09/2019

19:00-23:00

---

---

45

39

10/09/2019

23:00-07:00

41

39

44

39

11/09/2019

07:00-19:00

28

28

47

41

11/09/2019

19:00-23:00

---

---

45

39

11/09/2019

23:00-07:00

36

36

45

38

12/09/2019

07:00-19:00

51

51

58

41

12/09/2019

19:00-23:00

---

---

43

38

12/09/2019

23:00-07:00

---

---

45

40

13/09/2019

07:00-19:00

42

42

48

42

13/09/2019

19:00-23:00

---

---

42

39

13/09/2019

23:00-07:00

41

39

43

39

14/09/2019

07:00-23:00

59

48

50

39

14/09/2019

23:00-07:00

---

---

43

38

15/09/2019

07:00-23:00

54

46

51

38

15/09/2019

23:00-07:00

43

42

43

37

16/09/2019

07:00-19:00

56

55

51

42

16/09/2019

19:00-23:00

---

---

43

37

16/09/2019

23:00-07:00

---

---

43

39

17/09/2019

07:00-19:00

52

52

51

40

17/09/2019

19:00-23:00

---

---

41

38

17/09/2019

23:00-07:00

42

40

45

41

18/09/2019

07:00-19:00

52

49

53

42

18/09/2019

19:00-23:00

44

44

45

41

18/09/2019

23:00-07:00

45

40

44

40

19/09/2019

07:00-19:00

50

50

46

41

19/09/2019

19:00-23:00

---

---

45

40

19/09/2019

23:00-07:00

45

42

45

41

20/09/2019

07:00-19:00

48

48

60

40

20/09/2019

19:00-23:00

50

44

43

37

20/09/2019

23:00-07:00

---

---

45

41

21/09/2019

07:00-19:00

---

---

43

38

21/09/2019

19:00-23:00

55

45

41

36

21/09/2019

23:00-07:00

32

32

43

39

22/09/2019

07:00-23:00

49

42

45

35

22/09/2019

23:00-07:00

32

32

42

35

23/09/2019

07:00-19:00

35

35

39

32

23/09/2019

19:00-23:00

---

---

42

38

23/09/2019

23:00-07:00

45

40

43

36

24/09/2019

07:00-19:00

---

---

45

40

24/09/2019

19:00-23:00

---

---

42

39

24/09/2019

23:00-07:00

44

40

44

38

25/09/2019

07:00-19:00

54

50

49

42

25/09/2019

19:00-23:00

---

---

42

37

25/09/2019

23:00-07:00

41

37

41

37

26/09/2019

07:00-19:00

52

45

46

42

26/09/2019

19:00-23:00

---

---

41

37

26/09/2019

23:00-07:00

45

41

42

36

27/09/2019

07:00-19:00

56

48

55

41

27/09/2019

19:00-23:00

---

---

44

39

27/09/2019

23:00-07:00

45

40

44

40

28/09/2019

07:00-19:00

49

47

47

43

28/09/2019

19:00-23:00

---

---

44

41

28/09/2019

23:00-07:00

40

39

43

39

29/09/2019

07:00-23:00

57

42

44

38

29/09/2019

23:00-07:00

44

44

41

35

30/09/2019

07:00-19:00

61

53

42

37

30/09/2019

19:00-23:00

---

---

41

37

30/09/2019

23:00-07:00

41

41

45

42

 

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.