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

01/05/2016

07:00-23:00

33

29

01/05/2016

23:00-07:00

31

29

02/05/2016

07:00-23:00

38

36

02/05/2016

23:00-07:00

40

36

03/05/2016

07:00-23:00

49

43

03/05/2016

23:00-07:00

34

31

04/05/2016

07:00-23:00

51

46

04/05/2016

23:00-07:00

37

32

05/05/2016

07:00-23:00

40

37

05/05/2016

23:00-07:00

34

30

06/05/2016

07:00-23:00

36

33

06/05/2016

23:00-07:00

42

33

07/05/2016

07:00-23:00

48

45

07/05/2016

23:00-07:00

36

31

08/05/2016

07:00-23:00

40

33

08/05/2016

23:00-07:00

39

33

09/05/2016

07:00-23:00

31

30

09/05/2016

23:00-07:00

36

34

10/05/2016

07:00-23:00

42

37

10/05/2016

23:00-07:00

41

37

11/05/2016

07:00-23:00

29

27

11/05/2016

23:00-07:00

37

34

12/05/2016

07:00-23:00

42

38

12/05/2016

23:00-07:00

38

34

13/05/2016

07:00-23:00

46

46

13/05/2016

23:00-07:00

40

32

14/05/2016

07:00-23:00

42

34

14/05/2016

23:00-07:00

38

31

15/05/2016

07:00-23:00

48

41

15/05/2016

23:00-07:00

39

33

16/05/2016

07:00-23:00

48

41

16/05/2016

23:00-07:00

33

30

17/05/2016

07:00-23:00

48

42

17/05/2016

23:00-07:00

44

35

18/05/2016

07:00-23:00

40

36

18/05/2016

23:00-07:00

37

34

19/05/2016

07:00-23:00

52

44

19/05/2016

23:00-07:00

38

34

20/05/2016

07:00-23:00

41

39

20/05/2016

23:00-07:00

41

36

21/05/2016

07:00-23:00

47

39

21/05/2016

23:00-07:00

34

31

22/05/2016

07:00-23:00

44

40

22/05/2016

23:00-07:00

43

37

23/05/2016

07:00-23:00

51

45

23/05/2016

23:00-07:00

39

33

24/05/2016

07:00-23:00

51

48

24/05/2016

23:00-07:00

33

31

25/05/2016

07:00-23:00

40

34

25/05/2016

23:00-07:00

43

35

26/05/2016

07:00-23:00

36

32

26/05/2016

23:00-07:00

36

34

27/05/2016

07:00-23:00

28

27

27/05/2016

23:00-07:00

30

26

28/05/2016

07:00-23:00

57

48

28/05/2016

23:00-07:00

36

30

29/05/2016

07:00-23:00

54

45

29/05/2016

23:00-07:00

44

38

30/05/2016

07:00-23:00

56

50

30/05/2016

23:00-07:00

41

35

31/05/2016

07:00-23:00

40

35

31/05/2016

23:00-07:00

36

33

 

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

01/05/2016

07:00-23:00

38

28

30

23

01/05/2016

23:00-07:00

36

29

---

---

02/05/2016

07:00-23:00

42

32

15

15

02/05/2016

23:00-07:00

41

32

---

---

03/05/2016

07:00-19:00

49

43

41

39

03/05/2016

19:00-23:00

43

32

38

29

03/05/2016

23:00-07:00

39

29

---

---

04/05/2016

07:00-19:00

51

45

41

40

04/05/2016

19:00-23:00

34

29

30

26

04/05/2016

23:00-07:00

42

29

24

22

05/05/2016

07:00-19:00

40

40

---

---

05/05/2016

19:00-23:00

39

35

35

31

05/05/2016

23:00-07:00

37

29

---

---

06/05/2016

07:00-19:00

49

49

42

42

06/05/2016

19:00-23:00

39

31

32

27

06/05/2016

23:00-07:00

44

30

34

25

07/05/2016

07:00-19:00

52

42

39

39

07/05/2016

19:00-23:00

27

27

---

---

07/05/2016

23:00-07:00

38

30

32

29

08/05/2016

07:00-23:00

44

30

37

24

08/05/2016

23:00-07:00

41

32

31

27

09/05/2016

07:00-19:00

---

---

---

---

09/05/2016

19:00-23:00

34

31

30

26

09/05/2016

23:00-07:00

43

33

32

29

10/05/2016

07:00-19:00

41

36

36

28

10/05/2016

19:00-23:00

43

35

38

34

10/05/2016

23:00-07:00

45

37

33

28

11/05/2016

07:00-19:00

27

27

---

---

11/05/2016

19:00-23:00

33

24

28

22

11/05/2016

23:00-07:00

38

33

33

28

12/05/2016

07:00-19:00

---

---

---

---

12/05/2016

19:00-23:00

43

34

25

20

12/05/2016

23:00-07:00

40

31

33

26

13/05/2016

07:00-19:00

46

46

---

---

13/05/2016

19:00-23:00

27

21

14

11

13/05/2016

23:00-07:00

41

29

27

27

14/05/2016

07:00-23:00

44

31

38

27

14/05/2016

23:00-07:00

42

31

32

25

15/05/2016

07:00-23:00

55

32

33

21

15/05/2016

23:00-07:00

39

32

---

---

16/05/2016

07:00-19:00

48

42

---

---

16/05/2016

19:00-23:00

38

30

32

21

16/05/2016

23:00-07:00

44

30

39

25

17/05/2016

07:00-19:00

48

43

42

35

17/05/2016

19:00-23:00

42

35

36

29

17/05/2016

23:00-07:00

45

31

40

29

18/05/2016

07:00-19:00

40

40

35

35

18/05/2016

19:00-23:00

37

32

30

23

18/05/2016

23:00-07:00

39

34

32

30

19/05/2016

07:00-19:00

52

37

33

33

19/05/2016

19:00-23:00

43

36

35

30

19/05/2016

23:00-07:00

40

31

35

27

20/05/2016

07:00-19:00

---

---

---

---

20/05/2016

19:00-23:00

44

33

33

24

20/05/2016

23:00-07:00

43

34

35

28

21/05/2016

07:00-19:00

47

47

---

---

21/05/2016

19:00-23:00

36

27

26

24

21/05/2016

23:00-07:00

38

31

---

---

22/05/2016

07:00-23:00

52

29

35

35

22/05/2016

23:00-07:00

45

33

---

---

23/05/2016

07:00-19:00

51

51

46

46

23/05/2016

19:00-23:00

29

22

---

---

23/05/2016

23:00-07:00

39

31

---

---

24/05/2016

07:00-19:00

51

51

46

46

24/05/2016

19:00-23:00

25

18

---

---

24/05/2016

23:00-07:00

45

32

---

---

25/05/2016

07:00-19:00

40

40

---

---

25/05/2016

19:00-23:00

30

26

25

21

25/05/2016

23:00-07:00

44

30

31

24

26/05/2016

07:00-19:00

---

---

---

---

26/05/2016

19:00-23:00

38

31

34

27

26/05/2016

23:00-07:00

38

33

34

28

27/05/2016

07:00-19:00

28

28

---

---

27/05/2016

19:00-23:00

36

27

24

22

27/05/2016

23:00-07:00

32

24

27

20

28/05/2016

07:00-19:00

57

55

47

42

28/05/2016

19:00-23:00

38

36

34

31

28/05/2016

23:00-07:00

42

29

37

25

29/05/2016

07:00-23:00

57

35

49

29

29/05/2016

23:00-07:00

44

32

39

29

30/05/2016

07:00-19:00

56

55

47

47

30/05/2016

19:00-23:00

37

33

32

28

30/05/2016

23:00-07:00

44

34

37

29

31/05/2016

07:00-19:00

40

40

---

---

31/05/2016

19:00-23:00

36

32

31

28

31/05/2016

23:00-07:00

44

33

37

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).