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

01/05/2018

07:00-23:00

---

---

01/05/2018

23:00-07:00

50

46

02/05/2018

07:00-23:00

---

---

02/05/2018

23:00-07:00

---

---

03/05/2018

07:00-23:00

48

44

03/05/2018

23:00-07:00

42

40

04/05/2018

07:00-23:00

---

---

04/05/2018

23:00-07:00

---

---

05/05/2018

07:00-23:00

44

44

05/05/2018

23:00-07:00

---

---

06/05/2018

07:00-23:00

50

47

06/05/2018

23:00-07:00

37

37

07/05/2018

07:00-23:00

---

---

07/05/2018

23:00-07:00

48

43

08/05/2018

07:00-23:00

44

44

08/05/2018

23:00-07:00

40

37

09/05/2018

07:00-23:00

34

34

09/05/2018

23:00-07:00

46

42

10/05/2018

07:00-23:00

40

40

10/05/2018

23:00-07:00

41

35

11/05/2018

07:00-23:00

38

38

11/05/2018

23:00-07:00

36

32

12/05/2018

07:00-23:00

33

33

12/05/2018

23:00-07:00

40

38

13/05/2018

07:00-23:00

59

50

13/05/2018

23:00-07:00

33

32

14/05/2018

07:00-23:00

56

54

14/05/2018

23:00-07:00

34

32

15/05/2018

07:00-23:00

40

40

15/05/2018

23:00-07:00

45

45

16/05/2018

07:00-23:00

55

52

16/05/2018

23:00-07:00

---

---

17/05/2018

07:00-23:00

---

---

17/05/2018

23:00-07:00

---

---

18/05/2018

07:00-23:00

47

44

18/05/2018

23:00-07:00

---

---

19/05/2018

07:00-23:00

---

---

19/05/2018

23:00-07:00

---

---

20/05/2018

07:00-23:00

49

45

20/05/2018

23:00-07:00

35

31

21/05/2018

07:00-23:00

58

54

21/05/2018

23:00-07:00

---

---

22/05/2018

07:00-23:00

48

45

22/05/2018

23:00-07:00

---

---

23/05/2018

07:00-23:00

19

19

23/05/2018

23:00-07:00

---

---

24/05/2018

07:00-23:00

---

---

24/05/2018

23:00-07:00

40

39

25/05/2018

07:00-23:00

---

---

25/05/2018

23:00-07:00

---

---

26/05/2018

07:00-23:00

37

37

26/05/2018

23:00-07:00

---

---

27/05/2018

07:00-23:00

45

44

27/05/2018

23:00-07:00

35

34

28/05/2018

07:00-23:00

---

---

28/05/2018

23:00-07:00

49

49

29/05/2018

07:00-23:00

51

51

29/05/2018

23:00-07:00

---

---

30/05/2018

07:00-23:00

---

---

30/05/2018

23:00-07:00

---

---

31/05/2018

07:00-23:00

56

52

31/05/2018

23:00-07:00

35

35

 

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

01/05/2018

07:00-23:00

50

49

46

36

01/05/2018

23:00-07:00

45

36

38

33

02/05/2018

07:00-19:00

---

---

37

37

02/05/2018

19:00-23:00

---

---

32

32

02/05/2018

23:00-07:00

---

---

43

28

03/05/2018

07:00-19:00

---

---

42

39

03/05/2018

19:00-23:00

52

42

42

37

03/05/2018

23:00-07:00

45

38

40

31

04/05/2018

07:00-19:00

---

---

---

---

04/05/2018

19:00-23:00

44

39

40

40

04/05/2018

23:00-07:00

39

32

37

33

05/05/2018

07:00-19:00

---

---

---

---

05/05/2018

19:00-23:00

44

44

36

32

05/05/2018

23:00-07:00

31

31

38

33

06/05/2018

07:00-23:00

53

47

41

34

06/05/2018

23:00-07:00

39

37

43

33

07/05/2018

07:00-19:00

---

---

40

37

07/05/2018

19:00-23:00

---

---

40

34

07/05/2018

23:00-07:00

45

36

43

36

08/05/2018

07:00-19:00

64

54

57

47

08/05/2018

19:00-23:00

---

---

37

32

08/05/2018

23:00-07:00

42

37

40

34

09/05/2018

07:00-19:00

---

---

37

36

09/05/2018

19:00-23:00

44

39

45

33

09/05/2018

23:00-07:00

45

42

43

38

10/05/2018

07:00-19:00

40

40

---

---

10/05/2018

19:00-23:00

48

41

42

36

10/05/2018

23:00-07:00

44

35

43

35

11/05/2018

07:00-19:00

---

---

---

---

11/05/2018

19:00-23:00

43

39

47

32

11/05/2018

23:00-07:00

36

29

43

33

12/05/2018

07:00-19:00

---

---

33

31

12/05/2018

19:00-23:00

35

31

40

28

12/05/2018

23:00-07:00

40

33

37

29

13/05/2018

07:00-23:00

36

32

32

27

13/05/2018

23:00-07:00

38

34

39

32

14/05/2018

07:00-19:00

62

55

49

38

14/05/2018

19:00-23:00

---

---

36

32

14/05/2018

23:00-07:00

45

31

38

31

15/05/2018

07:00-19:00

40

40

41

33

15/05/2018

19:00-23:00

---

---

46

39

15/05/2018

23:00-07:00

45

37

40

33

16/05/2018

07:00-19:00

55

48

38

35

16/05/2018

19:00-23:00

---

---

37

32

16/05/2018

23:00-07:00

43

43

40

33

17/05/2018

07:00-19:00

---

---

39

37

17/05/2018

19:00-23:00

---

---

40

35

17/05/2018

23:00-07:00

44

44

37

30

18/05/2018

07:00-19:00

47

47

39

37

18/05/2018

19:00-23:00

39

34

43

36

18/05/2018

23:00-07:00

40

40

44

35

19/05/2018

07:00-19:00

---

---

41

33

19/05/2018

19:00-23:00

---

---

42

40

19/05/2018

23:00-07:00

45

32

41

34

20/05/2018

07:00-23:00

51

42

50

36

20/05/2018

23:00-07:00

43

32

40

35

21/05/2018

07:00-19:00

58

50

55

37

21/05/2018

19:00-23:00

44

44

42

38

21/05/2018

23:00-07:00

34

34

41

35

22/05/2018

07:00-23:00

48

40

46

38

22/05/2018

23:00-07:00

42

33

42

30

23/05/2018

07:00-19:00

19

19

44

35

23/05/2018

19:00-23:00

---

---

46

37

23/05/2018

23:00-07:00

---

---

45

38

24/05/2018

07:00-19:00

---

---

55

41

24/05/2018

19:00-23:00

---

---

47

39

24/05/2018

23:00-07:00

45

40

44

40

25/05/2018

07:00-19:00

---

---

45

39

25/05/2018

19:00-23:00

---

---

49

38

25/05/2018

23:00-07:00

---

---

42

33

26/05/2018

07:00-19:00

37

37

44

36

26/05/2018

19:00-23:00

---

---

51

38

26/05/2018

23:00-07:00

40

38

39

33

27/05/2018

07:00-23:00

45

40

51

36

27/05/2018

23:00-07:00

38

35

42

34

28/05/2018

07:00-19:00

---

---

50

42

28/05/2018

19:00-23:00

---

---

54

37

28/05/2018

23:00-07:00

40

38

43

32

29/05/2018

07:00-19:00

51

51

52

40

29/05/2018

19:00-23:00

52

52

48

37

29/05/2018

23:00-07:00

---

---

43

34

30/05/2018

07:00-19:00

---

---

52

38

30/05/2018

19:00-23:00

37

37

47

38

30/05/2018

23:00-07:00

43

38

45

33

31/05/2018

07:00-19:00

56

47

53

40

31/05/2018

19:00-23:00

45

40

50

41

31/05/2018

23:00-07:00

43

40

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.