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

01/08/2019

07:00-23:00

---

---

01/08/2019

23:00-07:00

---

---

02/08/2019

07:00-23:00

---

---

02/08/2019

23:00-07:00

49

48

03/08/2019

07:00-23:00

52

51

03/08/2019

23:00-07:00

---

---

04/08/2019

07:00-23:00

---

---

04/08/2019

23:00-07:00

---

---

05/08/2019

07:00-23:00

---

---

05/08/2019

23:00-07:00

---

---

06/08/2019

07:00-23:00

---

---

06/08/2019

23:00-07:00

---

---

07/08/2019

07:00-23:00

---

---

07/08/2019

23:00-07:00

43

40

08/08/2019

07:00-23:00

42

41

08/08/2019

23:00-07:00

---

---

09/08/2019

07:00-23:00

---

---

09/08/2019

23:00-07:00

---

---

10/08/2019

07:00-23:00

53

51

10/08/2019

23:00-07:00

---

---

11/08/2019

07:00-23:00

---

---

11/08/2019

23:00-07:00

---

---

12/08/2019

07:00-23:00

48

48

12/08/2019

23:00-07:00

---

---

13/08/2019

07:00-23:00

53

53

13/08/2019

23:00-07:00

47

45

14/08/2019

07:00-23:00

55

51

14/08/2019

23:00-07:00

---

---

15/08/2019

07:00-23:00

50

50

15/08/2019

23:00-07:00

47

46

16/08/2019

07:00-23:00

56

55

16/08/2019

23:00-07:00

49

46

17/08/2019

07:00-23:00

54

51

17/08/2019

23:00-07:00

---

---

18/08/2019

07:00-23:00

56

50

18/08/2019

23:00-07:00

48

48

19/08/2019

07:00-23:00

---

---

19/08/2019

23:00-07:00

---

---

20/08/2019

07:00-23:00

---

---

20/08/2019

23:00-07:00

---

---

21/08/2019

07:00-23:00

---

---

21/08/2019

23:00-07:00

---

---

22/08/2019

07:00-23:00

---

---

22/08/2019

23:00-07:00

---

---

23/08/2019

07:00-23:00

52

52

23/08/2019

23:00-07:00

---

---

24/08/2019

07:00-23:00

53

53

24/08/2019

23:00-07:00

---

---

25/08/2019

07:00-23:00

56

49

25/08/2019

23:00-07:00

49

47

26/08/2019

07:00-23:00

57

55

26/08/2019

23:00-07:00

---

---

27/08/2019

07:00-23:00

---

---

27/08/2019

23:00-07:00

---

---

28/08/2019

07:00-23:00

---

---

28/08/2019

23:00-07:00

---

---

29/08/2019

07:00-23:00

46

44

29/08/2019

23:00-07:00

43

41

30/08/2019

07:00-23:00

56

55

30/08/2019

23:00-07:00

47

44

31/08/2019

07:00-23:00

52

48

31/08/2019

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

01/08/2019

07:00-19:00

---

---

47

47

01/08/2019

19:00-23:00

---

---

---

---

01/08/2019

23:00-07:00

44

39

45

36

02/08/2019

07:00-19:00

---

---

47

42

02/08/2019

19:00-23:00

---

---

44

39

02/08/2019

23:00-07:00

45

43

45

42

03/08/2019

07:00-19:00

52

51

44

39

03/08/2019

19:00-23:00

---

---

42

41

03/08/2019

23:00-07:00

28

28

45

39

04/08/2019

07:00-23:00

48

48

54

40

04/08/2019

23:00-07:00

---

---

45

40

05/08/2019

07:00-19:00

---

---

51

39

05/08/2019

19:00-23:00

---

---

44

39

05/08/2019

23:00-07:00

42

42

43

38

06/08/2019

07:00-19:00

---

---

45

40

06/08/2019

19:00-23:00

---

---

42

40

06/08/2019

23:00-07:00

---

---

43

38

07/08/2019

07:00-19:00

---

---

44

39

07/08/2019

19:00-23:00

---

---

43

40

07/08/2019

23:00-07:00

43

34

44

38

08/08/2019

07:00-19:00

42

41

45

36

08/08/2019

19:00-23:00

---

---

44

38

08/08/2019

23:00-07:00

---

---

42

35

09/08/2019

07:00-19:00

---

---

46

39

09/08/2019

19:00-23:00

---

---

48

40

09/08/2019

23:00-07:00

---

---

45

41

10/08/2019

07:00-19:00

53

50

46

42

10/08/2019

19:00-23:00

---

---

44

41

10/08/2019

23:00-07:00

37

33

45

42

11/08/2019

07:00-23:00

58

43

47

38

11/08/2019

23:00-07:00

---

---

40

38

12/08/2019

07:00-19:00

48

48

48

38

12/08/2019

19:00-23:00

40

40

43

40

12/08/2019

23:00-07:00

---

---

43

38

13/08/2019

07:00-19:00

53

53

44

39

13/08/2019

19:00-23:00

---

---

42

38

13/08/2019

23:00-07:00

45

40

45

39

14/08/2019

07:00-19:00

55

45

53

38

14/08/2019

19:00-23:00

---

---

42

38

14/08/2019

23:00-07:00

41

39

42

36

15/08/2019

07:00-19:00

50

50

43

35

15/08/2019

19:00-23:00

---

---

42

35

15/08/2019

23:00-07:00

45

42

44

34

16/08/2019

07:00-19:00

56

54

53

39

16/08/2019

19:00-23:00

---

---

43

37

16/08/2019

23:00-07:00

45

40

45

38

17/08/2019

07:00-19:00

54

48

52

39

17/08/2019

19:00-23:00

---

---

43

38

17/08/2019

23:00-07:00

45

37

43

38

18/08/2019

07:00-23:00

58

45

47

40

18/08/2019

23:00-07:00

43

43

43

40

19/08/2019

07:00-19:00

---

---

46

40

19/08/2019

19:00-23:00

---

---

44

37

19/08/2019

23:00-07:00

43

43

45

42

20/08/2019

07:00-19:00

---

---

47

43

20/08/2019

19:00-23:00

---

---

45

43

20/08/2019

23:00-07:00

37

37

44

40

21/08/2019

07:00-19:00

---

---

45

38

21/08/2019

19:00-23:00

---

---

43

38

21/08/2019

23:00-07:00

38

33

43

38

22/08/2019

07:00-19:00

---

---

45

39

22/08/2019

19:00-23:00

---

---

49

38

22/08/2019

23:00-07:00

29

29

45

38

23/08/2019

07:00-19:00

52

52

49

41

23/08/2019

19:00-23:00

---

---

45

40

23/08/2019

23:00-07:00

40

33

44

40

24/08/2019

07:00-19:00

53

53

42

37

24/08/2019

19:00-23:00

---

---

49

36

24/08/2019

23:00-07:00

42

42

44

40

25/08/2019

07:00-23:00

56

39

48

39

25/08/2019

23:00-07:00

44

39

45

40

26/08/2019

07:00-19:00

57

54

51

43

26/08/2019

19:00-23:00

---

---

47

43

26/08/2019

23:00-07:00

34

34

45

41

27/08/2019

07:00-19:00

---

---

47

43

27/08/2019

19:00-23:00

---

---

48

42

27/08/2019

23:00-07:00

38

36

40

35

28/08/2019

07:00-19:00

---

---

55

42

28/08/2019

19:00-23:00

---

---

47

40

28/08/2019

23:00-07:00

45

35

45

40

29/08/2019

07:00-19:00

46

43

45

39

29/08/2019

19:00-23:00

---

---

45

39

29/08/2019

23:00-07:00

43

41

45

42

30/08/2019

07:00-19:00

56

54

47

40

30/08/2019

19:00-23:00

---

---

44

38

30/08/2019

23:00-07:00

40

33

45

42

31/08/2019

07:00-19:00

52

44

42

39

31/08/2019

19:00-23:00

---

---

43

40

31/08/2019

23:00-07:00

36

30

45

39

 

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.