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

01/03/2018

07:00-23:00

*

*

01/03/2018

23:00-07:00

*

*

02/03/2018

07:00-23:00

*

*

02/03/2018

23:00-07:00

*

*

03/03/2018

07:00-23:00

*

*

03/03/2018

23:00-07:00

*

*

04/03/2018

07:00-23:00

*

*

04/03/2018

23:00-07:00

*

*

05/03/2018

07:00-23:00

*

*

05/03/2018

23:00-07:00

*

*

06/03/2018

07:00-23:00

*

*

06/03/2018

23:00-07:00

*

*

07/03/2018

07:00-23:00

*

*

07/03/2018

23:00-07:00

*

*

08/03/2018

07:00-23:00

*

*

08/03/2018

23:00-07:00

*

*

09/03/2018

07:00-23:00

*

*

09/03/2018

23:00-07:00

*

*

10/03/2018

07:00-23:00

*

*

10/03/2018

23:00-07:00

*

*

11/03/2018

07:00-23:00

*

*

11/03/2018

23:00-07:00

*

*

12/03/2018

07:00-23:00

*

*

12/03/2018

23:00-07:00

*

*

13/03/2018

07:00-23:00

*

*

13/03/2018

23:00-07:00

*

*

14/03/2018

07:00-23:00

*

*

14/03/2018

23:00-07:00

*

*

15/03/2018

07:00-23:00

*

*

15/03/2018

23:00-07:00

*

*

16/03/2018

07:00-23:00

*

*

16/03/2018

23:00-07:00

*

*

17/03/2018

07:00-23:00

*

*

17/03/2018

23:00-07:00

*

*

18/03/2018

07:00-23:00

*

*

18/03/2018

23:00-07:00

*

*

19/03/2018

07:00-23:00

*

*

19/03/2018

23:00-07:00

*

*

20/03/2018

07:00-23:00

---

---

20/03/2018

23:00-07:00

50

46

21/03/2018

07:00-23:00

---

---

21/03/2018

23:00-07:00

43

39

22/03/2018

07:00-23:00

---

---

22/03/2018

23:00-07:00

40

38

23/03/2018

07:00-23:00

---

---

23/03/2018

23:00-07:00

27

27

24/03/2018

07:00-23:00

---

---

24/03/2018

23:00-07:00

---

---

25/03/2018

07:00-23:00

40

40

25/03/2018

23:00-07:00

50

47

26/03/2018

07:00-23:00

---

---

26/03/2018

23:00-07:00

---

---

27/03/2018

07:00-23:00

49

49

27/03/2018

23:00-07:00

35

35

28/03/2018

07:00-23:00

---

---

28/03/2018

23:00-07:00

36

36

29/03/2018

07:00-23:00

45

45

29/03/2018

23:00-07:00

30

27

30/03/2018

07:00-23:00

37

34

30/03/2018

23:00-07:00

40

36

31/03/2018

07:00-23:00

47

40

31/03/2018

23:00-07:00

36

36

 

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

01/03/2018

07:00-19:00

65

61

39

35

01/03/2018

19:00-23:00

---

---

39

37

01/03/2018

23:00-07:00

43

33

45

36

02/03/2018

07:00-19:00

---

---

45

42

02/03/2018

19:00-23:00

31

31

45

39

02/03/2018

23:00-07:00

25

25

42

36

03/03/2018

07:00-19:00

---

---

39

34

03/03/2018

19:00-23:00

---

---

45

43

03/03/2018

23:00-07:00

43

34

45

37

04/03/2018

07:00-23:00

51

36

44

39

04/03/2018

23:00-07:00

28

27

44

35

05/03/2018

07:00-19:00

58

47

40

33

05/03/2018

19:00-23:00

38

33

40

34

05/03/2018

23:00-07:00

45

37

44

33

06/03/2018

07:00-19:00

42

42

44

39

06/03/2018

19:00-23:00

49

41

44

36

06/03/2018

23:00-07:00

44

40

45

39

07/03/2018

07:00-19:00

37

37

40

33

07/03/2018

19:00-23:00

---

---

41

35

07/03/2018

23:00-07:00

---

---

40

34

08/03/2018

07:00-19:00

---

---

63

40

08/03/2018

19:00-23:00

---

---

42

35

08/03/2018

23:00-07:00

37

33

44

38

09/03/2018

07:00-19:00

---

---

41

36

09/03/2018

19:00-23:00

---

---

48

41

09/03/2018

23:00-07:00

30

30

41

37

10/03/2018

07:00-19:00

57

57

42

37

10/03/2018

19:00-23:00

---

---

41

36

10/03/2018

23:00-07:00

39

39

41

37

11/03/2018

07:00-23:00

49

43

42

38

11/03/2018

23:00-07:00

36

29

42

36

12/03/2018

07:00-19:00

---

---

41

40

12/03/2018

19:00-23:00

---

---

42

36

12/03/2018

23:00-07:00

36

29

40

35

13/03/2018

07:00-19:00

---

---

38

32

13/03/2018

19:00-23:00

---

---

41

36

13/03/2018

23:00-07:00

37

37

40

36

14/03/2018

07:00-19:00

41

41

52

40

14/03/2018

19:00-23:00

---

---

56

47

14/03/2018

23:00-07:00

36

34

43

36

15/03/2018

07:00-19:00

---

---

39

34

15/03/2018

19:00-23:00

33

27

46

36

15/03/2018

23:00-07:00

41

35

44

35

16/03/2018

07:00-19:00

55

55

42

33

16/03/2018

19:00-23:00

24

24

44

38

16/03/2018

23:00-07:00

45

35

45

33

17/03/2018

07:00-19:00

51

51

66

49

17/03/2018

19:00-23:00

45

35

54

45

17/03/2018

23:00-07:00

45

39

45

36

18/03/2018

07:00-23:00

54

36

53

37

18/03/2018

23:00-07:00

45

38

45

37

19/03/2018

07:00-19:00

---

---

52

41

19/03/2018

19:00-23:00

---

---

43

40

19/03/2018

23:00-07:00

30

30

42

35

20/03/2018

07:00-19:00

---

---

41

36

20/03/2018

19:00-23:00

36

36

48

38

20/03/2018

23:00-07:00

43

33

45

37

21/03/2018

07:00-19:00

---

---

40

35

21/03/2018

19:00-23:00

---

---

40

38

21/03/2018

23:00-07:00

45

36

40

33

22/03/2018

07:00-19:00

---

---

47

38

22/03/2018

19:00-23:00

---

---

43

40

22/03/2018

23:00-07:00

45

40

43

36

23/03/2018

07:00-19:00

---

---

46

38

23/03/2018

19:00-23:00

---

---

45

39

23/03/2018

23:00-07:00

27

27

45

41

24/03/2018

07:00-19:00

---

---

53

43

24/03/2018

19:00-23:00

---

---

48

43

24/03/2018

23:00-07:00

28

28

44

36

25/03/2018

07:00-23:00

50

44

59

43

25/03/2018

23:00-07:00

45

41

44

37

26/03/2018

07:00-19:00

---

---

50

35

26/03/2018

19:00-23:00

---

---

43

39

26/03/2018

23:00-07:00

45

32

45

37

27/03/2018

07:00-19:00

49

49

44

36

27/03/2018

19:00-23:00

---

---

40

34

27/03/2018

23:00-07:00

36

33

42

38

28/03/2018

07:00-19:00

---

---

46

40

28/03/2018

19:00-23:00

---

---

41

33

28/03/2018

23:00-07:00

36

32

43

37

29/03/2018

07:00-19:00

45

45

44

40

29/03/2018

19:00-23:00

---

---

45

39

29/03/2018

23:00-07:00

37

29

43

36

30/03/2018

07:00-23:00

49

33

57

41

30/03/2018

23:00-07:00

44

36

45

33

31/03/2018

07:00-23:00

47

35

56

41

31/03/2018

23:00-07:00

43

32

42

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.