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

01/02/2019

07:00-23:00

---

---

01/02/2019

23:00-07:00

42

42

02/02/2019

07:00-23:00

---

---

02/02/2019

23:00-07:00

31

31

03/02/2019

07:00-23:00

45

44

03/02/2019

23:00-07:00

49

47

04/02/2019

07:00-23:00

---

---

04/02/2019

23:00-07:00

---

---

05/02/2019

07:00-23:00

---

---

05/02/2019

23:00-07:00

---

---

06/02/2019

07:00-23:00

---

---

06/02/2019

23:00-07:00

---

---

07/02/2019

07:00-23:00

---

---

07/02/2019

23:00-07:00

---

---

08/02/2019

07:00-23:00

---

---

08/02/2019

23:00-07:00

---

---

09/02/2019

07:00-23:00

---

---

09/02/2019

23:00-07:00

40

37

10/02/2019

07:00-23:00

36

33

10/02/2019

23:00-07:00

46

44

11/02/2019

07:00-23:00

41

41

11/02/2019

23:00-07:00

44

44

12/02/2019

07:00-23:00

---

---

12/02/2019

23:00-07:00

46

46

13/02/2019

07:00-23:00

---

---

13/02/2019

23:00-07:00

46

44

14/02/2019

07:00-23:00

43

42

14/02/2019

23:00-07:00

44

43

15/02/2019

07:00-23:00

40

40

15/02/2019

23:00-07:00

40

40

16/02/2019

07:00-23:00

---

---

16/02/2019

23:00-07:00

46

44

17/02/2019

07:00-23:00

50

42

17/02/2019

23:00-07:00

43

36

18/02/2019

07:00-23:00

*

*

18/02/2019

23:00-07:00

*

*

19/02/2019

07:00-23:00

*

*

19/02/2019

23:00-07:00

*

*

20/02/2019

07:00-23:00

*

*

20/02/2019

23:00-07:00

*

*

21/02/2019

07:00-23:00

*

*

21/02/2019

23:00-07:00

*

*

22/02/2019

07:00-23:00

*

*

22/02/2019

23:00-07:00

*

*

23/02/2019

07:00-23:00

*

*

23/02/2019

23:00-07:00

*

*

24/02/2019

07:00-23:00

*

*

24/02/2019

23:00-07:00

*

*

25/02/2019

07:00-23:00

*

*

25/02/2019

23:00-07:00

*

*

26/02/2019

07:00-23:00

*

*

26/02/2019

23:00-07:00

*

*

27/02/2019

07:00-23:00

*

*

27/02/2019

23:00-07:00

*

*

28/02/2019

07:00-23:00

*

*

28/02/2019

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

01/02/2019

07:00-19:00

---

---

30

23

01/02/2019

19:00-23:00

---

---

40

33

01/02/2019

23:00-07:00

43

40

41

34

02/02/2019

07:00-19:00

---

---

38

31

02/02/2019

19:00-23:00

30

30

42

38

02/02/2019

23:00-07:00

31

28

38

32

03/02/2019

07:00-23:00

51

41

44

36

03/02/2019

23:00-07:00

44

41

42

36

04/02/2019

07:00-19:00

---

---

43

38

04/02/2019

19:00-23:00

---

---

41

34

04/02/2019

23:00-07:00

---

---

44

38

05/02/2019

07:00-23:00

42

34

45

34

05/02/2019

23:00-07:00

---

---

41

38

06/02/2019

07:00-23:00

---

---

39

35

06/02/2019

23:00-07:00

38

38

44

35

07/02/2019

07:00-23:00

36

36

41

35

07/02/2019

23:00-07:00

32

32

40

36

08/02/2019

07:00-19:00

---

---

39

33

08/02/2019

19:00-23:00

---

---

45

40

08/02/2019

23:00-07:00

29

29

42

37

09/02/2019

07:00-19:00

---

---

35

31

09/02/2019

19:00-23:00

---

---

40

36

09/02/2019

23:00-07:00

45

36

45

34

10/02/2019

07:00-23:00

42

33

41

32

10/02/2019

23:00-07:00

45

44

45

36

11/02/2019

07:00-19:00

41

41

41

35

11/02/2019

19:00-23:00

---

---

39

36

11/02/2019

23:00-07:00

45

41

39

34

12/02/2019

07:00-19:00

---

---

45

39

12/02/2019

19:00-23:00

---

---

50

41

12/02/2019

23:00-07:00

45

40

45

34

13/02/2019

07:00-19:00

---

---

44

37

13/02/2019

19:00-23:00

---

---

43

39

13/02/2019

23:00-07:00

45

36

43

37

14/02/2019

07:00-19:00

39

39

42

37

14/02/2019

19:00-23:00

43

42

41

37

14/02/2019

23:00-07:00

45

41

43

38

15/02/2019

07:00-19:00

---

---

46

38

15/02/2019

19:00-23:00

41

38

42

35

15/02/2019

23:00-07:00

45

37

44

38

16/02/2019

07:00-19:00

---

---

43

38

16/02/2019

19:00-23:00

---

---

43

40

16/02/2019

23:00-07:00

45

41

43

39

17/02/2019

07:00-23:00

53

41

46

38

17/02/2019

23:00-07:00

43

32

45

37

18/02/2019

07:00-19:00

---

---

44

41

18/02/2019

19:00-23:00

---

---

44

40

18/02/2019

23:00-07:00

33

33

45

40

19/02/2019

07:00-19:00

41

41

47

39

19/02/2019

19:00-23:00

---

---

43

40

19/02/2019

23:00-07:00

---

---

43

40

20/02/2019

07:00-19:00

---

---

40

36

20/02/2019

19:00-23:00

---

---

42

40

20/02/2019

23:00-07:00

35

34

43

40

21/02/2019

07:00-19:00

---

---

43

38

21/02/2019

19:00-23:00

35

35

42

40

21/02/2019

23:00-07:00

41

35

44

37

22/02/2019

07:00-19:00

---

---

38

31

22/02/2019

19:00-23:00

---

---

39

34

22/02/2019

23:00-07:00

44

38

40

35

23/02/2019

07:00-19:00

---

---

45

39

23/02/2019

19:00-23:00

25

25

42

39

23/02/2019

23:00-07:00

42

32

41

35

24/02/2019

07:00-23:00

55

39

42

38

24/02/2019

23:00-07:00

---

---

37

29

25/02/2019

07:00-19:00

---

---

43

38

25/02/2019

19:00-23:00

---

---

41

36

25/02/2019

23:00-07:00

42

35

41

36

26/02/2019

07:00-19:00

---

---

47

40

26/02/2019

19:00-23:00

---

---

41

37

26/02/2019

23:00-07:00

36

36

43

38

27/02/2019

07:00-19:00

54

46

45

39

27/02/2019

19:00-23:00

---

---

41

39

27/02/2019

23:00-07:00

---

---

42

38

28/02/2019

07:00-19:00

---

---

52

39

28/02/2019

19:00-23:00

---

---

45

39

28/02/2019

23:00-07:00

---

---

43

37

 

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.