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

01/03/2016

07:00-23:00

27

25

01/03/2016

23:00-07:00

39

34

02/03/2016

07:00-23:00

35

35

02/03/2016

23:00-07:00

39

34

03/03/2016

07:00-23:00

36

36

03/03/2016

23:00-07:00

41

35

04/03/2016

07:00-23:00

35

32

04/03/2016

23:00-07:00

38

33

05/03/2016

07:00-23:00

40

36

05/03/2016

23:00-07:00

39

36

06/03/2016

07:00-23:00

39

33

06/03/2016

23:00-07:00

41

34

07/03/2016

07:00-23:00

39

32

07/03/2016

23:00-07:00

40

34

08/03/2016

07:00-23:00

41

33

08/03/2016

23:00-07:00

40

34

09/03/2016

07:00-23:00

36

32

09/03/2016

23:00-07:00

41

37

10/03/2016

07:00-23:00

44

37

10/03/2016

23:00-07:00

37

32

11/03/2016

07:00-23:00

45

42

11/03/2016

23:00-07:00

31

27

12/03/2016

07:00-23:00

37

35

12/03/2016

23:00-07:00

42

37

13/03/2016

07:00-23:00

33

29

13/03/2016

23:00-07:00

34

31

14/03/2016

07:00-23:00

--

--

14/03/2016

23:00-07:00

38

33

15/03/2016

07:00-23:00

--

--

15/03/2016

23:00-07:00

42

35

16/03/2016

07:00-23:00

34

34

16/03/2016

23:00-07:00

39

33

17/03/2016

07:00-23:00

33

31

17/03/2016

23:00-07:00

39

33

18/03/2016

07:00-23:00

38

34

18/03/2016

23:00-07:00

39

35

19/03/2016

07:00-23:00

41

35

19/03/2016

23:00-07:00

34

32

20/03/2016

07:00-23:00

41

38

20/03/2016

23:00-07:00

42

39

21/03/2016

07:00-23:00

40

37

21/03/2016

23:00-07:00

41

38

22/03/2016

07:00-23:00

37

34

22/03/2016

23:00-07:00

39

31

23/03/2016

07:00-23:00

33

31

23/03/2016

23:00-07:00

42

34

24/03/2016

07:00-23:00

34

31

24/03/2016

23:00-07:00

32

28

25/03/2016

07:00-23:00

41

34

25/03/2016

23:00-07:00

35

30

26/03/2016

07:00-23:00

38

36

26/03/2016

23:00-07:00

44

38

27/03/2016

07:00-23:00

34

29

27/03/2016

23:00-07:00

43

36

28/03/2016

07:00-23:00

43

39

28/03/2016

23:00-07:00

25

23

29/03/2016

07:00-23:00

23

22

29/03/2016

23:00-07:00

31

28

30/03/2016

07:00-23:00

32

29

30/03/2016

23:00-07:00

38

33

31/03/2016

07:00-23:00

34

29

31/03/2016

23:00-07:00

42

34

 

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

01/03/2016

07:00-19:00

---

---

---

---

01/03/2016

19:00-23:00

33

27

28

23

01/03/2016

23:00-07:00

41

33

36

28

02/03/2016

07:00-19:00

---

---

---

---

02/03/2016

19:00-23:00

37

36

32

31

02/03/2016

23:00-07:00

43

29

38

25

03/03/2016

07:00-19:00

36

36

---

---

03/03/2016

19:00-23:00

37

32

32

30

03/03/2016

23:00-07:00

41

34

37

29

04/03/2016

07:00-19:00

45

37

40

32

04/03/2016

19:00-23:00

36

31

31

27

04/03/2016

23:00-07:00

39

31

34

26

05/03/2016

07:00-19:00

31

31

---

---

05/03/2016

19:00-23:00

41

34

37

34

05/03/2016

23:00-07:00

44

35

39

30

06/03/2016

07:00-23:00

45

30

28

26

06/03/2016

23:00-07:00

43

33

37

29

07/03/2016

07:00-19:00

39

39

---

---

07/03/2016

19:00-23:00

36

26

31

21

07/03/2016

23:00-07:00

41

30

36

26

08/03/2016

07:00-19:00

41

41

36

36

08/03/2016

19:00-23:00

34

28

28

23

08/03/2016

23:00-07:00

41

33

36

29

09/03/2016

07:00-19:00

36

36

31

31

09/03/2016

19:00-23:00

36

29

31

24

09/03/2016

23:00-07:00

43

33

38

29

10/03/2016

07:00-19:00

44

44

---

---

10/03/2016

19:00-23:00

34

26

26

20

10/03/2016

23:00-07:00

43

31

33

26

11/03/2016

07:00-19:00

45

45

---

---

11/03/2016

19:00-23:00

30

26

25

25

11/03/2016

23:00-07:00

36

26

32

23

12/03/2016

07:00-19:00

---

---

---

---

12/03/2016

19:00-23:00

39

34

35

31

12/03/2016

23:00-07:00

43

33

36

29

13/03/2016

07:00-23:00

42

28

30

24

13/03/2016

23:00-07:00

39

29

35

25

14/03/2016

07:00-19:00

---

---

---

---

14/03/2016

19:00-23:00

34

31

24

24

14/03/2016

23:00-07:00

40

27

27

20

15/03/2016

07:00-19:00

---

---

---

---

15/03/2016

19:00-23:00

31

27

17

17

15/03/2016

23:00-07:00

43

27

38

23

16/03/2016

07:00-19:00

34

34

---

---

16/03/2016

19:00-23:00

33

22

28

23

16/03/2016

23:00-07:00

41

29

36

25

17/03/2016

07:00-19:00

25

25

---

---

17/03/2016

19:00-23:00

35

30

30

25

17/03/2016

23:00-07:00

42

31

37

26

18/03/2016

07:00-19:00

41

39

---

---

18/03/2016

19:00-23:00

40

31

35

30

18/03/2016

23:00-07:00

41

34

36

29

19/03/2016

07:00-19:00

41

33

34

28

19/03/2016

19:00-23:00

37

31

33

27

19/03/2016

23:00-07:00

39

31

34

27

20/03/2016

07:00-23:00

42

37

37

32

20/03/2016

23:00-07:00

43

37

39

33

21/03/2016

07:00-19:00

31

31

27

27

21/03/2016

19:00-23:00

43

37

38

33

21/03/2016

23:00-07:00

44

38

39

34

22/03/2016

07:00-19:00

---

---

---

---

22/03/2016

19:00-23:00

38

33

34

29

22/03/2016

23:00-07:00

40

27

35

23

23/03/2016

07:00-19:00

---

---

---

---

23/03/2016

19:00-23:00

35

31

30

27

23/03/2016

23:00-07:00

43

31

39

27

24/03/2016

07:00-19:00

44

30

37

25

24/03/2016

19:00-23:00

35

28

30

23

24/03/2016

23:00-07:00

36

28

31

23

25/03/2016

07:00-23:00

48

28

29

23

25/03/2016

23:00-07:00

38

29

34

25

26/03/2016

07:00-23:00

46

32

39

26

26/03/2016

23:00-07:00

45

35

39

30

27/03/2016

07:00-23:00

41

26

36

22

27/03/2016

23:00-07:00

43

31

38

25

28/03/2016

07:00-23:00

43

39

37

31

28/03/2016

23:00-07:00

30

26

25

21

29/03/2016

07:00-19:00

---

---

---

---

29/03/2016

19:00-23:00

28

21

23

19

29/03/2016

23:00-07:00

34

27

29

24

30/03/2016

07:00-19:00

40

40

---

---

30/03/2016

19:00-23:00

33

28

29

25

30/03/2016

23:00-07:00

42

32

38

29

31/03/2016

07:00-19:00

40

40

35

35

31/03/2016

19:00-23:00

35

28

30

24

31/03/2016

23:00-07:00

44

32

40

28

 

Note:

a.   “---" represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

b.   Due to construction noise permit commencing from 05/02/2016 19:00, continuous noise monitoring was 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).