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

01/05/2017

07:00-23:00

57

51

01/05/2017

23:00-07:00

48

34

02/05/2017

07:00-23:00

52

42

02/05/2017

23:00-07:00

39

38

03/05/2017

07:00-23:00

53

53

03/05/2017

23:00-07:00

42

39

04/05/2017

07:00-23:00

44

43

04/05/2017

23:00-07:00

43

40

05/05/2017

07:00-23:00

53

43

05/05/2017

23:00-07:00

41

39

06/05/2017

07:00-23:00

57

45

06/05/2017

23:00-07:00

39

38

07/05/2017

07:00-23:00

---

---

07/05/2017

23:00-07:00

42

39

08/05/2017

07:00-23:00

53

49

08/05/2017

23:00-07:00

42

36

09/05/2017

07:00-23:00

57

51

09/05/2017

23:00-07:00

47

40

10/05/2017

07:00-23:00

57

49

10/05/2017

23:00-07:00

49

32

11/05/2017

07:00-23:00

47

43

11/05/2017

23:00-07:00

47

29

12/05/2017

07:00-23:00

58

53

12/05/2017

23:00-07:00

49

34

13/05/2017

07:00-23:00

54

48

13/05/2017

23:00-07:00

50

31

14/05/2017

07:00-23:00

55

49

14/05/2017

23:00-07:00

47

34

15/05/2017

07:00-23:00

46

43

15/05/2017

23:00-07:00

43

28

16/05/2017

07:00-23:00

52

47

16/05/2017

23:00-07:00

48

28

17/05/2017

07:00-23:00

53

46

17/05/2017

23:00-07:00

38

30

18/05/2017

07:00-23:00

49

42

18/05/2017

23:00-07:00

46

32

19/05/2017

07:00-23:00

55

47

19/05/2017

23:00-07:00

48

33

20/05/2017

07:00-23:00

50

50

20/05/2017

23:00-07:00

41

33

21/05/2017

07:00-23:00

---

---

21/05/2017

23:00-07:00

41

33

22/05/2017

07:00-23:00

51

41

22/05/2017

23:00-07:00

50

37

23/05/2017

07:00-23:00

53

45

23/05/2017

23:00-07:00

39

30

24/05/2017

07:00-23:00

50

46

24/05/2017

23:00-07:00

44

34

25/05/2017

07:00-23:00

52

38

25/05/2017

23:00-07:00

39

31

26/05/2017

07:00-23:00

53

51

26/05/2017

23:00-07:00

37

34

27/05/2017

07:00-23:00

---

---

27/05/2017

23:00-07:00

36

28

28/05/2017

07:00-23:00

---

---

28/05/2017

23:00-07:00

44

34

29/05/2017

07:00-23:00

51

45

29/05/2017

23:00-07:00

41

32

30/05/2017

07:00-23:00

49

45

30/05/2017

23:00-07:00

48

35

31/05/2017

07:00-23:00

46

46

31/05/2017

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

01/05/2017

07:00-23:00

57

43

53

48

01/05/2017

23:00-07:00

43

36

39

33

02/05/2017

07:00-19:00

52

43

34

34

02/05/2017

19:00-23:00

38

36

33

31

02/05/2017

23:00-07:00

40

37

35

33

03/05/2017

07:00-23:00

43

35

38

33

03/05/2017

23:00-07:00

42

38

37

33

04/05/2017

07:00-19:00

44

39

39

39

04/05/2017

19:00-23:00

39

36

35

32

04/05/2017

23:00-07:00

43

39

39

34

05/05/2017

07:00-19:00

53

42

38

38

05/05/2017

19:00-23:00

41

36

36

31

05/05/2017

23:00-07:00

42

38

37

34

06/05/2017

07:00-19:00

57

46

---

---

06/05/2017

19:00-23:00

38

37

33

32

06/05/2017

23:00-07:00

40

37

35

32

07/05/2017

07:00-23:00

47

39

42

34

07/05/2017

23:00-07:00

43

39

38

34

08/05/2017

07:00-19:00

53

50

---

---

08/05/2017

19:00-23:00

41

37

37

33

08/05/2017

23:00-07:00

44

33

39

33

09/05/2017

07:00-19:00

57

51

33

33

09/05/2017

19:00-23:00

42

35

37

33

09/05/2017

23:00-07:00

44

38

39

34

10/05/2017

07:00-19:00

57

46

---

---

10/05/2017

19:00-23:00

39

31

34

29

10/05/2017

23:00-07:00

41

30

36

31

11/05/2017

07:00-19:00

47

43

---

---

11/05/2017

19:00-23:00

---

---

---

---

11/05/2017

23:00-07:00

44

31

39

35

12/05/2017

07:00-19:00

58

53

---

---

12/05/2017

19:00-23:00

31

30

---

---

12/05/2017

23:00-07:00

43

33

38

31

13/05/2017

07:00-19:00

55

47

---

---

13/05/2017

19:00-23:00

27

27

---

---

13/05/2017

23:00-07:00

45

30

40

32

14/05/2017

07:00-23:00

54

37

49

36

14/05/2017

23:00-07:00

44

33

40

35

15/05/2017

07:00-19:00

46

44

---

---

15/05/2017

19:00-23:00

42

34

38

31

15/05/2017

23:00-07:00

43

28

38

33

16/05/2017

07:00-19:00

52

47

---

---

16/05/2017

19:00-23:00

---

---

---

---

16/05/2017

23:00-07:00

43

26

38

38

17/05/2017

07:00-19:00

53

46

---

---

17/05/2017

19:00-23:00

---

---

---

---

17/05/2017

23:00-07:00

43

29

38

32

18/05/2017

07:00-19:00

49

40

---

---

18/05/2017

19:00-23:00

---

---

---

---

18/05/2017

23:00-07:00

44

30

39

30

19/05/2017

07:00-19:00

55

45

---

---

19/05/2017

19:00-23:00

---

---

---

---

19/05/2017

23:00-07:00

44

25

39

36

20/05/2017

07:00-19:00

50

50

---

---

20/05/2017

19:00-23:00

39

30

35

35

20/05/2017

23:00-07:00

42

34

38

33

21/05/2017

07:00-23:00

46

32

42

32

21/05/2017

23:00-07:00

42

34

38

33

22/05/2017

07:00-19:00

51

44

---

---

22/05/2017

19:00-23:00

34

26

30

30

22/05/2017

23:00-07:00

41

36

36

30

23/05/2017

07:00-19:00

53

45

38

36

23/05/2017

19:00-23:00

---

---

---

---

23/05/2017

23:00-07:00

40

28

36

32

24/05/2017

07:00-19:00

50

47

44

42

24/05/2017

19:00-23:00

30

24

---

---

24/05/2017

23:00-07:00

44

29

40

33

25/05/2017

07:00-19:00

52

41

42

42

25/05/2017

19:00-23:00

---

---

---

---

25/05/2017

23:00-07:00

44

29

39

31

26/05/2017

07:00-19:00

53

51

---

---

26/05/2017

19:00-23:00

37

32

32

30

26/05/2017

23:00-07:00

38

31

34

30

27/05/2017

07:00-19:00

---

---

---

---

27/05/2017

19:00-23:00

---

---

---

---

27/05/2017

23:00-07:00

43

30

38

33

28/05/2017

07:00-23:00

43

35

39

33

28/05/2017

23:00-07:00

44

35

39

34

29/05/2017

07:00-19:00

51

51

44

44

29/05/2017

19:00-23:00

50

46

45

42

29/05/2017

23:00-07:00

41

31

36

33

30/05/2017

07:00-23:00

57

37

53

44

30/05/2017

23:00-07:00

44

33

40

31

31/05/2017

07:00-19:00

47

46

42

42

31/05/2017

19:00-23:00

---

---

31

26

31/05/2017

23:00-07:00

---

---

44

35

 

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.