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

01/11/2016

07:00-23:00

54

50

01/11/2016

23:00-07:00

37

33

02/11/2016

07:00-23:00

53

47

02/11/2016

23:00-07:00

38

32

03/11/2016

07:00-23:00

54

52

03/11/2016

23:00-07:00

45

41

04/11/2016

07:00-23:00

47

43

04/11/2016

23:00-07:00

26

26

05/11/2016

07:00-23:00

51

48

05/11/2016

23:00-07:00

49

46

06/11/2016

07:00-23:00

56

54

06/11/2016

23:00-07:00

45

42

07/11/2016

07:00-23:00

46

44

07/11/2016

23:00-07:00

43

39

08/11/2016

07:00-23:00

45

44

08/11/2016

23:00-07:00

42

36

09/11/2016

07:00-23:00

46

44

09/11/2016

23:00-07:00

40

33

10/11/2016

07:00-23:00

44

40

10/11/2016

23:00-07:00

37

32

11/11/2016

07:00-23:00

51

51

11/11/2016

23:00-07:00

33

32

12/11/2016

07:00-23:00

52

52

12/11/2016

23:00-07:00

26

26

13/11/2016

07:00-23:00

36

36

13/11/2016

23:00-07:00

39

38

14/11/2016

07:00-23:00

52

52

14/11/2016

23:00-07:00

33

30

15/11/2016

07:00-23:00

38

36

15/11/2016

23:00-07:00

42

37

16/11/2016

07:00-23:00

39

36

16/11/2016

23:00-07:00

36

34

17/11/2016

07:00-23:00

48

43

17/11/2016

23:00-07:00

46

38

18/11/2016

07:00-23:00

--

--

18/11/2016

23:00-07:00

--

--

19/11/2016

07:00-23:00

--

--

19/11/2016

23:00-07:00

33

33

20/11/2016

07:00-23:00

49

39

20/11/2016

23:00-07:00

32

30

21/11/2016

07:00-23:00

36

34

21/11/2016

23:00-07:00

37

35

22/11/2016

07:00-23:00

44

41

22/11/2016

23:00-07:00

43

38

23/11/2016

07:00-23:00

48

44

23/11/2016

23:00-07:00

48

41

24/11/2016

07:00-23:00

44

40

24/11/2016

23:00-07:00

45

39

25/11/2016

07:00-23:00

45

42

25/11/2016

23:00-07:00

38

36

26/11/2016

07:00-23:00

52

47

26/11/2016

23:00-07:00

40

39

27/11/2016

07:00-23:00

39

37

27/11/2016

23:00-07:00

--

--

28/11/2016

07:00-23:00

--

--

28/11/2016

23:00-07:00

--

--

29/11/2016

07:00-23:00

--

--

29/11/2016

23:00-07:00

--

--

30/11/2016

07:00-23:00

--

--

30/11/2016

23:00-07:00

--

--

 

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

01/11/2016

07:00-19:00

54

50

44

42

01/11/2016

19:00-23:00

35

28

30

23

01/11/2016

23:00-07:00

38

32

33

27

02/11/2016

07:00-19:00

53

48

42

40

02/11/2016

19:00-23:00

38

36

34

32

02/11/2016

23:00-07:00

38

31

34

27

03/11/2016

07:00-19:00

54

51

43

42

03/11/2016

19:00-23:00

---

---

---

---

03/11/2016

23:00-07:00

45

37

41

33

04/11/2016

07:00-19:00

47

41

39

35

04/11/2016

19:00-23:00

30

28

26

24

04/11/2016

23:00-07:00

36

29

32

25

05/11/2016

07:00-19:00

51

46

43

40

05/11/2016

19:00-23:00

29

29

24

24

05/11/2016

23:00-07:00

38

29

33

24

06/11/2016

07:00-23:00

58

44

39

35

06/11/2016

23:00-07:00

33

27

28

23

07/11/2016

07:00-19:00

46

46

41

41

07/11/2016

19:00-23:00

40

40

34

32

07/11/2016

23:00-07:00

44

36

37

31

08/11/2016

07:00-19:00

---

---

---

---

08/11/2016

19:00-23:00

49

42

38

29

08/11/2016

23:00-07:00

45

29

35

21

09/11/2016

07:00-19:00

46

46

---

---

09/11/2016

19:00-23:00

55

40

51

36

09/11/2016

23:00-07:00

44

30

38

25

10/11/2016

07:00-19:00

---

---

---

---

10/11/2016

19:00-23:00

48

39

43

32

10/11/2016

23:00-07:00

40

31

35

27

11/11/2016

07:00-19:00

51

51

37

37

11/11/2016

19:00-23:00

---

---

---

---

11/11/2016

23:00-07:00

36

31

32

27

12/11/2016

07:00-19:00

52

52

---

---

12/11/2016

19:00-23:00

34

34

29

29

12/11/2016

23:00-07:00

32

25

28

20

13/11/2016

07:00-23:00

---

---

---

---

13/11/2016

23:00-07:00

42

36

33

28

14/11/2016

07:00-19:00

52

52

33

33

14/11/2016

19:00-23:00

29

29

25

25

14/11/2016

23:00-07:00

36

29

31

25

15/11/2016

07:00-19:00

38

38

34

34

15/11/2016

19:00-23:00

40

36

36

31

15/11/2016

23:00-07:00

45

32

40

26

16/11/2016

07:00-19:00

---

---

---

---

16/11/2016

19:00-23:00

40

35

35

27

16/11/2016

23:00-07:00

42

32

38

27

17/11/2016

07:00-19:00

48

48

39

39

17/11/2016

19:00-23:00

39

36

33

26

17/11/2016

23:00-07:00

38

30

33

25

18/11/2016

07:00-19:00

---

---

---

---

18/11/2016

19:00-23:00

33

33

41

27

18/11/2016

23:00-07:00

---

---

44

31

19/11/2016

07:00-19:00

---

---

---

---

19/11/2016

19:00-23:00

24

24

19

19

19/11/2016

23:00-07:00

40

28

36

24

20/11/2016

07:00-23:00

56

30

42

25

20/11/2016

23:00-07:00

35

27

31

23

21/11/2016

07:00-19:00

---

---

---

---

21/11/2016

19:00-23:00

43

34

43

30

21/11/2016

23:00-07:00

38

35

33

30

22/11/2016

07:00-19:00

42

39

37

35

22/11/2016

19:00-23:00

44

38

36

31

22/11/2016

23:00-07:00

45

37

36

31

23/11/2016

07:00-19:00

42

42

36

36

23/11/2016

19:00-23:00

50

43

42

34

23/11/2016

23:00-07:00

45

38

40

33

24/11/2016

07:00-19:00

39

27

34

22

24/11/2016

19:00-23:00

48

41

39

36

24/11/2016

23:00-07:00

45

37

39

33

25/11/2016

07:00-19:00

---

---

---

---

25/11/2016

19:00-23:00

46

41

40

34

25/11/2016

23:00-07:00

40

36

35

31

26/11/2016

07:00-19:00

44

44

36

36

26/11/2016

19:00-23:00

54

46

45

40

26/11/2016

23:00-07:00

40

39

36

34

27/11/2016

07:00-23:00

42

36

43

34

27/11/2016

23:00-07:00

---

---

33

25

28/11/2016

07:00-19:00

---

---

---

---

28/11/2016

19:00-23:00

---

---

33

30

28/11/2016

23:00-07:00

---

---

33

21

29/11/2016

07:00-19:00

---

---

---

---

29/11/2016

19:00-23:00

---

---

---

---

29/11/2016

23:00-07:00

---

---

31

24

30/11/2016

07:00-19:00

---

---

---

---

30/11/2016

19:00-23:00

---

---

27

27

30/11/2016

23:00-07:00

---

---

31

24

 

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.