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

01/01/2020

07:00-23:00

---

---

01/01/2020

23:00-07:00

---

---

02/01/2020

07:00-23:00

58

58

02/01/2020

23:00-07:00

---

---

03/01/2020

07:00-23:00

45

45

03/01/2020

23:00-07:00

25

25

04/01/2020

07:00-23:00

---

---

04/01/2020

23:00-07:00

---

---

05/01/2020

07:00-23:00

38

35

05/01/2020

23:00-07:00

40

38

06/01/2020

07:00-23:00

---

---

06/01/2020

23:00-07:00

---

---

07/01/2020

07:00-23:00

57

55

07/01/2020

23:00-07:00

---

---

08/01/2020

07:00-23:00

56

54

08/01/2020

23:00-07:00

42

39

09/01/2020

07:00-23:00

---

---

09/01/2020

23:00-07:00

---

---

10/01/2020

07:00-23:00

---

---

10/01/2020

23:00-07:00

30

30

11/01/2020

07:00-23:00

54

54

11/01/2020

23:00-07:00

---

---

12/01/2020

07:00-23:00

38

38

12/01/2020

23:00-07:00

48

48

13/01/2020

07:00-23:00

56

56

13/01/2020

23:00-07:00

43

40

14/01/2020

07:00-23:00

---

---

14/01/2020

23:00-07:00

46

40

15/01/2020

07:00-23:00

---

---

15/01/2020

23:00-07:00

42

37

16/01/2020

07:00-23:00

---

---

16/01/2020

23:00-07:00

47

45

17/01/2020

07:00-23:00

55

52

17/01/2020

23:00-07:00

46

44

18/01/2020

07:00-23:00

60

60

18/01/2020

23:00-07:00

---

---

19/01/2020

07:00-23:00

49

44

19/01/2020

23:00-07:00

38

37

20/01/2020

07:00-23:00

---

---

20/01/2020

23:00-07:00

50

49

21/01/2020

07:00-23:00

55

53

21/01/2020

23:00-07:00

45

44

22/01/2020

07:00-23:00

---

---

22/01/2020

23:00-07:00

---

---

23/01/2020

07:00-23:00

46

46

23/01/2020

23:00-07:00

44

40

24/01/2020

07:00-23:00

---

---

24/01/2020

23:00-07:00

46

42

25/01/2020

07:00-23:00

---

---

25/01/2020

23:00-07:00

48

45

26/01/2020

07:00-23:00

47

43

26/01/2020

23:00-07:00

42

39

27/01/2020

07:00-23:00

---

---

27/01/2020

23:00-07:00

48

46

28/01/2020

07:00-23:00

32

32

28/01/2020

23:00-07:00

48

46

29/01/2020

07:00-23:00

---

---

29/01/2020

23:00-07:00

*

*

30/01/2020

07:00-23:00

*

*

30/01/2020

23:00-07:00

*

*

31/01/2020

07:00-23:00

*

*

31/01/2020

23:00-07:00

*

*

 

Note:

a.  * Unit L9 was not on load.

b.  “---“ 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

01/01/2020

07:00-23:00

45

36

49

36

01/01/2020

23:00-07:00

---

---

43

36

02/01/2020

07:00-19:00

58

58

55

37

02/01/2020

19:00-23:00

---

---

44

41

02/01/2020

23:00-07:00

---

---

45

40

03/01/2020

07:00-19:00

45

45

44

40

03/01/2020

19:00-23:00

---

---

50

42

03/01/2020

23:00-07:00

31

26

43

39

04/01/2020

07:00-19:00

---

---

44

41

04/01/2020

19:00-23:00

---

---

42

38

04/01/2020

23:00-07:00

37

32

43

38

05/01/2020

07:00-23:00

59

37

45

35

05/01/2020

23:00-07:00

42

37

45

38

06/01/2020

07:00-19:00

---

---

45

41

06/01/2020

19:00-23:00

38

34

43

38

06/01/2020

23:00-07:00

38

35

44

41

07/01/2020

07:00-19:00

57

54

52

40

07/01/2020

19:00-23:00

---

---

43

40

07/01/2020

23:00-07:00

34

34

43

40

08/01/2020

07:00-19:00

56

53

47

41

08/01/2020

19:00-23:00

---

---

45

43

08/01/2020

23:00-07:00

42

37

45

35

09/01/2020

07:00-19:00

---

---

45

41

09/01/2020

19:00-23:00

---

---

44

42

09/01/2020

23:00-07:00

---

---

45

40

10/01/2020

07:00-19:00

---

---

45

40

10/01/2020

19:00-23:00

---

---

43

41

10/01/2020

23:00-07:00

35

32

44

38

11/01/2020

07:00-19:00

54

54

41

37

11/01/2020

19:00-23:00

25

25

44

40

11/01/2020

23:00-07:00

---

---

43

39

12/01/2020

07:00-23:00

52

37

46

33

12/01/2020

23:00-07:00

---

---

42

38

13/01/2020

07:00-19:00

56

56

39

37

13/01/2020

19:00-23:00

---

---

40

38

13/01/2020

23:00-07:00

45

38

42

36

14/01/2020

07:00-19:00

---

---

42

37

14/01/2020

19:00-23:00

---

---

48

41

14/01/2020

23:00-07:00

45

39

43

36

15/01/2020

07:00-19:00

---

---

46

42

15/01/2020

19:00-23:00

16

16

49

39

15/01/2020

23:00-07:00

44

38

43

35

16/01/2020

07:00-19:00

---

---

46

36

16/01/2020

19:00-23:00

---

---

50

40

16/01/2020

23:00-07:00

45

33

42

37

17/01/2020

07:00-19:00

55

51

39

35

17/01/2020

19:00-23:00

---

---

41

38

17/01/2020

23:00-07:00

44

42

43

39

18/01/2020

07:00-19:00

60

60

39

34

18/01/2020

19:00-23:00

---

---

43

41

18/01/2020

23:00-07:00

---

---

43

39

19/01/2020

07:00-23:00

53

42

40

34

19/01/2020

23:00-07:00

38

35

40

32

20/01/2020

07:00-19:00

---

---

45

37

20/01/2020

19:00-23:00

---

---

46

37

20/01/2020

23:00-07:00

45

44

45

42

21/01/2020

07:00-19:00

55

53

44

37

21/01/2020

19:00-23:00

35

35

50

40

21/01/2020

23:00-07:00

45

43

44

35

22/01/2020

07:00-19:00

---

---

47

37

22/01/2020

19:00-23:00

---

---

44

39

22/01/2020

23:00-07:00

42

42

41

35

23/01/2020

07:00-19:00

46

46

48

39

23/01/2020

19:00-23:00

---

---

42

38

23/01/2020

23:00-07:00

45

38

41

36

24/01/2020

07:00-19:00

---

---

50

45

24/01/2020

19:00-23:00

---

---

50

34

24/01/2020

23:00-07:00

43

35

43

34

25/01/2020

07:00-23:00

---

---

52

43

25/01/2020

23:00-07:00

41

37

---

---

26/01/2020

07:00-23:00

50

40

50

36

26/01/2020

23:00-07:00

42

36

43

34

27/01/2020

07:00-23:00

49

39

51

39

27/01/2020

23:00-07:00

44

42

41

32

28/01/2020

07:00-23:00

39

37

41

34

28/01/2020

23:00-07:00

45

44

42

37

29/01/2020

07:00-19:00

---

---

36

34

29/01/2020

19:00-23:00

---

---

38

35

29/01/2020

23:00-07:00

45

43

39

37

30/01/2020

07:00-19:00

---

---

16

16

30/01/2020

19:00-23:00

---

---

38

31

30/01/2020

23:00-07:00

---

---

38

36

31/01/2020

07:00-19:00

---

---

40

34

31/01/2020

19:00-23:00

---

---

41

39

31/01/2020

23:00-07:00

---

---

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.