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

01/11/2019

07:00-23:00

---

---

01/11/2019

23:00-07:00

---

---

02/11/2019

07:00-23:00

---

---

02/11/2019

23:00-07:00

47

47

03/11/2019

07:00-23:00

42

41

03/11/2019

23:00-07:00

46

42

04/11/2019

07:00-23:00

50

50

04/11/2019

23:00-07:00

46

43

05/11/2019

07:00-23:00

45

45

05/11/2019

23:00-07:00

46

46

06/11/2019

07:00-23:00

58

55

06/11/2019

23:00-07:00

47

43

07/11/2019

07:00-23:00

50

48

07/11/2019

23:00-07:00

47

44

08/11/2019

07:00-23:00

---

---

08/11/2019

23:00-07:00

47

47

09/11/2019

07:00-23:00

46

46

09/11/2019

23:00-07:00

44

44

10/11/2019

07:00-23:00

48

48

10/11/2019

23:00-07:00

---

---

11/11/2019

07:00-23:00

57

57

11/11/2019

23:00-07:00

---

---

12/11/2019

07:00-23:00

43

43

12/11/2019

23:00-07:00

---

---

13/11/2019

07:00-23:00

---

---

13/11/2019

23:00-07:00

---

---

14/11/2019

07:00-23:00

55

52

14/11/2019

23:00-07:00

49

47

15/11/2019

07:00-23:00

56

54

15/11/2019

23:00-07:00

---

---

16/11/2019

07:00-23:00

60

58

16/11/2019

23:00-07:00

---

---

17/11/2019

07:00-23:00

---

---

17/11/2019

23:00-07:00

46

44

18/11/2019

07:00-23:00

45

42

18/11/2019

23:00-07:00

49

47

19/11/2019

07:00-23:00

---

---

19/11/2019

23:00-07:00

44

42

20/11/2019

07:00-23:00

45

45

20/11/2019

23:00-07:00

45

45

21/11/2019

07:00-23:00

50

47

21/11/2019

23:00-07:00

47

46

22/11/2019

07:00-23:00

---

---

22/11/2019

23:00-07:00

---

---

23/11/2019

07:00-23:00

41

41

23/11/2019

23:00-07:00

46

43

24/11/2019

07:00-23:00

---

---

24/11/2019

23:00-07:00

42

41

25/11/2019

07:00-23:00

43

43

25/11/2019

23:00-07:00

44

44

26/11/2019

07:00-23:00

---

---

26/11/2019

23:00-07:00

44

44

27/11/2019

07:00-23:00

54

54

27/11/2019

23:00-07:00

44

44

28/11/2019

07:00-23:00

---

---

28/11/2019

23:00-07:00

45

45

29/11/2019

07:00-23:00

---

---

29/11/2019

23:00-07:00

---

---

30/11/2019

07:00-23:00

---

---

30/11/2019

23:00-07:00

36

36

 

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

01/11/2019

07:00-19:00

---

---

50

40

01/11/2019

19:00-23:00

---

---

44

40

01/11/2019

23:00-07:00

40

40

45

39

02/11/2019

07:00-19:00

---

---

42

35

02/11/2019

19:00-23:00

---

---

43

41

02/11/2019

23:00-07:00

---

---

42

39

03/11/2019

07:00-23:00

59

46

44

38

03/11/2019

23:00-07:00

45

38

45

38

04/11/2019

07:00-19:00

50

50

43

37

04/11/2019

19:00-23:00

---

---

48

40

04/11/2019

23:00-07:00

43

41

44

39

05/11/2019

07:00-19:00

45

45

50

38

05/11/2019

19:00-23:00

---

---

45

40

05/11/2019

23:00-07:00

45

42

43

39

06/11/2019

07:00-19:00

58

50

49

42

06/11/2019

19:00-23:00

---

---

44

41

06/11/2019

23:00-07:00

45

42

45

39

07/11/2019

07:00-19:00

50

47

48

42

07/11/2019

19:00-23:00

---

---

48

40

07/11/2019

23:00-07:00

45

40

44

39

08/11/2019

07:00-19:00

---

---

45

40

08/11/2019

19:00-23:00

---

---

51

42

08/11/2019

23:00-07:00

38

38

45

40

09/11/2019

07:00-19:00

46

46

47

41

09/11/2019

19:00-23:00

38

38

41

38

09/11/2019

23:00-07:00

45

41

41

35

10/11/2019

07:00-23:00

48

44

45

39

10/11/2019

23:00-07:00

---

---

43

37

11/11/2019

07:00-19:00

57

57

43

37

11/11/2019

19:00-23:00

---

---

44

41

11/11/2019

23:00-07:00

---

---

43

39

12/11/2019

07:00-19:00

43

43

44

36

12/11/2019

19:00-23:00

---

---

43

40

12/11/2019

23:00-07:00

---

---

44

40

13/11/2019

07:00-19:00

---

---

44

39

13/11/2019

19:00-23:00

---

---

45

38

13/11/2019

23:00-07:00

---

---

43

40

14/11/2019

07:00-19:00

55

50

42

40

14/11/2019

19:00-23:00

---

---

41

39

14/11/2019

23:00-07:00

42

40

44

40

15/11/2019

07:00-19:00

56

54

41

34

15/11/2019

19:00-23:00

---

---

42

39

15/11/2019

23:00-07:00

---

---

45

39

16/11/2019

07:00-19:00

60

57

44

39

16/11/2019

19:00-23:00

---

---

44

41

16/11/2019

23:00-07:00

---

---

44

35

17/11/2019

07:00-23:00

40

39

44

40

17/11/2019

23:00-07:00

44

41

44

40

18/11/2019

07:00-19:00

45

40

43

40

18/11/2019

19:00-23:00

---

---

43

41

18/11/2019

23:00-07:00

45

38

45

42

19/11/2019

07:00-19:00

---

---

45

42

19/11/2019

19:00-23:00

---

---

47

42

19/11/2019

23:00-07:00

44

42

44

40

20/11/2019

07:00-19:00

45

45

45

41

20/11/2019

19:00-23:00

---

---

45

42

20/11/2019

23:00-07:00

45

43

44

41

21/11/2019

07:00-19:00

50

44

45

40

21/11/2019

19:00-23:00

---

---

46

39

21/11/2019

23:00-07:00

45

44

43

40

22/11/2019

07:00-19:00

---

---

45

39

22/11/2019

19:00-23:00

---

---

43

38

22/11/2019

23:00-07:00

---

---

44

39

23/11/2019

07:00-19:00

41

41

47

40

23/11/2019

19:00-23:00

---

---

48

39

23/11/2019

23:00-07:00

45

42

41

35

24/11/2019

07:00-23:00

48

43

45

39

24/11/2019

23:00-07:00

44

42

43

37

25/11/2019

07:00-19:00

43

43

44

37

25/11/2019

19:00-23:00

44

35

46

37

25/11/2019

23:00-07:00

44

41

43

40

26/11/2019

07:00-19:00

---

---

45

41

26/11/2019

19:00-23:00

---

---

42

37

26/11/2019

23:00-07:00

44

40

45

39

27/11/2019

07:00-19:00

54

54

44

39

27/11/2019

19:00-23:00

25

25

45

38

27/11/2019

23:00-07:00

44

40

44

41

28/11/2019

07:00-19:00

---

---

57

37

28/11/2019

19:00-23:00

---

---

42

39

28/11/2019

23:00-07:00

45

41

43

39

29/11/2019

07:00-19:00

---

---

44

41

29/11/2019

19:00-23:00

---

---

44

42

29/11/2019

23:00-07:00

---

---

45

42

30/11/2019

07:00-19:00

---

---

46

41

30/11/2019

19:00-23:00

---

---

46

42

30/11/2019

23:00-07:00

36

34

44

38

 

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.