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

01/09/2016

07:00-23:00

46

41

01/09/2016

23:00-07:00

31

28

02/09/2016

07:00-23:00

---

---

02/09/2016

23:00-07:00

32

29

03/09/2016

07:00-23:00

40

40

03/09/2016

23:00-07:00

26

26

04/09/2016

07:00-23:00

---

---

04/09/2016

23:00-07:00

---

---

05/09/2016

07:00-23:00

35

35

05/09/2016

23:00-07:00

---

---

06/09/2016

07:00-23:00

---

---

06/09/2016

23:00-07:00

44

41

07/09/2016

07:00-23:00

57

55

07/09/2016

23:00-07:00

---

---

08/09/2016

07:00-23:00

---

---

08/09/2016

23:00-07:00

29

26

09/09/2016

07:00-23:00

---

---

09/09/2016

23:00-07:00

---

---

10/09/2016

07:00-23:00

---

---

10/09/2016

23:00-07:00

38

38

11/09/2016

07:00-23:00

---

---

11/09/2016

23:00-07:00

43

39

12/09/2016

07:00-23:00

---

---

12/09/2016

23:00-07:00

---

---

13/09/2016

07:00-23:00

---

---

13/09/2016

23:00-07:00

41

35

14/09/2016

07:00-23:00

42

42

14/09/2016

23:00-07:00

28

25

15/09/2016

07:00-23:00

27

27

15/09/2016

23:00-07:00

28

27

16/09/2016

07:00-23:00

---

---

16/09/2016

23:00-07:00

42

38

17/09/2016

07:00-23:00

20

20

17/09/2016

23:00-07:00

35

33

18/09/2016

07:00-23:00

46

46

18/09/2016

23:00-07:00

42

38

19/09/2016

07:00-23:00

---

---

19/09/2016

23:00-07:00

---

---

20/09/2016

07:00-23:00

40

40

20/09/2016

23:00-07:00

32

32

21/09/2016

07:00-23:00

---

---

21/09/2016

23:00-07:00

43

38

22/09/2016

07:00-23:00

33

33

22/09/2016

23:00-07:00

---

---

23/09/2016

07:00-23:00

39

37

23/09/2016

23:00-07:00

33

32

24/09/2016

07:00-23:00

45

39

24/09/2016

23:00-07:00

33

32

25/09/2016

07:00-23:00

---

---

25/09/2016

23:00-07:00

42

37

26/09/2016

07:00-23:00

32

31

26/09/2016

23:00-07:00

34

32

27/09/2016

07:00-23:00

48

45

27/09/2016

23:00-07:00

34

29

28/09/2016

07:00-23:00

33

33

28/09/2016

23:00-07:00

45

39

29/09/2016

07:00-23:00

37

36

29/09/2016

23:00-07:00

45

36

30/09/2016

07:00-23:00

46

42

30/09/2016

23:00-07:00

42

37

 

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

01/09/2016

07:00-19:00

46

46

41

41

01/09/2016

19:00-23:00

30

25

26

20

01/09/2016

23:00-07:00

33

29

28

24

02/09/2016

07:00-19:00

---

---

---

---

02/09/2016

19:00-23:00

38

38

---

---

02/09/2016

23:00-07:00

39

33

35

29

03/09/2016

07:00-19:00

40

40

35

35

03/09/2016

19:00-23:00

---

---

---

---

03/09/2016

23:00-07:00

32

28

28

23

04/09/2016

07:00-23:00

28

28

23

23

04/09/2016

23:00-07:00

---

---

---

---

05/09/2016

07:00-19:00

---

---

---

---

05/09/2016

19:00-23:00

38

38

33

33

05/09/2016

23:00-07:00

---

---

---

---

06/09/2016

07:00-19:00

---

---

---

---

06/09/2016

19:00-23:00

---

---

---

---

06/09/2016

23:00-07:00

45

39

40

34

07/09/2016

07:00-19:00

57

54

52

46

07/09/2016

19:00-23:00

---

---

---

---

07/09/2016

23:00-07:00

---

---

---

---

08/09/2016

07:00-19:00

---

---

---

---

08/09/2016

19:00-23:00

---

---

---

---

08/09/2016

23:00-07:00

37

29

33

24

09/09/2016

07:00-19:00

---

---

---

---

09/09/2016

19:00-23:00

---

---

---

---

09/09/2016

23:00-07:00

32

20

27

16

10/09/2016

07:00-19:00

---

---

---

---

10/09/2016

19:00-23:00

---

---

---

---

10/09/2016

23:00-07:00

31

24

27

20

11/09/2016

07:00-23:00

36

22

31

31

11/09/2016

23:00-07:00

44

37

39

31

12/09/2016

07:00-19:00

---

---

---

---

12/09/2016

19:00-23:00

---

---

---

---

12/09/2016

23:00-07:00

---

---

---

---

13/09/2016

07:00-19:00

---

---

---

---

13/09/2016

19:00-23:00

20

20

15

15

13/09/2016

23:00-07:00

42

26

37

21

14/09/2016

07:00-19:00

42

42

37

37

14/09/2016

19:00-23:00

---

---

---

---

14/09/2016

23:00-07:00

33

25

28

20

15/09/2016

07:00-19:00

---

---

---

---

15/09/2016

19:00-23:00

30

28

26

23

15/09/2016

23:00-07:00

33

26

28

22

16/09/2016

07:00-23:00

28

26

24

22

16/09/2016

23:00-07:00

44

31

39

26

17/09/2016

07:00-19:00

---

---

---

---

17/09/2016

19:00-23:00

31

25

27

20

17/09/2016

23:00-07:00

37

33

32

29

18/09/2016

07:00-23:00

54

41

35

35

18/09/2016

23:00-07:00

44

37

38

32

19/09/2016

07:00-19:00

---

---

---

---

19/09/2016

19:00-23:00

39

39

34

34

19/09/2016

23:00-07:00

30

25

25

20

20/09/2016

07:00-19:00

40

40

36

36

20/09/2016

19:00-23:00

---

---

---

---

20/09/2016

23:00-07:00

43

30

37

25

21/09/2016

07:00-19:00

---

---

---

---

21/09/2016

19:00-23:00

---

---

---

---

21/09/2016

23:00-07:00

41

28

36

23

22/09/2016

07:00-19:00

33

33

28

28

22/09/2016

19:00-23:00

---

---

---

---

22/09/2016

23:00-07:00

---

---

41

37

23/09/2016

07:00-19:00

---

---

---

---

23/09/2016

19:00-23:00

40

37

26

26

23/09/2016

23:00-07:00

39

35

33

29

24/09/2016

07:00-19:00

45

45

41

41

24/09/2016

19:00-23:00

39

35

34

31

24/09/2016

23:00-07:00

37

29

32

24

25/09/2016

07:00-23:00

---

---

---

---

25/09/2016

23:00-07:00

40

32

35

27

26/09/2016

07:00-19:00

---

---

---

---

26/09/2016

19:00-23:00

34

31

29

27

26/09/2016

23:00-07:00

42

32

31

26

27/09/2016

07:00-19:00

48

48

28

28

27/09/2016

19:00-23:00

34

32

30

26

27/09/2016

23:00-07:00

39

30

34

26

28/09/2016

07:00-19:00

---

---

---

---

28/09/2016

19:00-23:00

34

33

---

---

28/09/2016

23:00-07:00

39

36

34

31

29/09/2016

07:00-19:00

---

---

---

---

29/09/2016

19:00-23:00

39

35

29

29

29/09/2016

23:00-07:00

42

31

34

27

30/09/2016

07:00-19:00

46

46

---

---

30/09/2016

19:00-23:00

38

32

32

28

30/09/2016

23:00-07:00

43

35

38

30

 

Note:

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

b.   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) under construction noise permit.