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

01/07/2018

07:00-23:00

24

24

01/07/2018

23:00-07:00

---

---

02/07/2018

07:00-23:00

---

---

02/07/2018

23:00-07:00

42

42

03/07/2018

07:00-23:00

---

---

03/07/2018

23:00-07:00

31

29

04/07/2018

07:00-23:00

---

---

04/07/2018

23:00-07:00

---

---

05/07/2018

07:00-23:00

---

---

05/07/2018

23:00-07:00

40

40

06/07/2018

07:00-23:00

---

---

06/07/2018

23:00-07:00

---

---

07/07/2018

07:00-23:00

---

---

07/07/2018

23:00-07:00

---

---

08/07/2018

07:00-23:00

46

46

08/07/2018

23:00-07:00

36

36

09/07/2018

07:00-23:00

---

---

09/07/2018

23:00-07:00

30

30

10/07/2018

07:00-23:00

---

---

10/07/2018

23:00-07:00

34

31

11/07/2018

07:00-23:00

28

28

11/07/2018

23:00-07:00

43

43

12/07/2018

07:00-23:00

55

54

12/07/2018

23:00-07:00

50

46

13/07/2018

07:00-23:00

---

---

13/07/2018

23:00-07:00

41

38

14/07/2018

07:00-23:00

---

---

14/07/2018

23:00-07:00

45

42

15/07/2018

07:00-23:00

46

43

15/07/2018

23:00-07:00

49

45

16/07/2018

07:00-23:00

48

45

16/07/2018

23:00-07:00

---

---

17/07/2018

07:00-23:00

35

35

17/07/2018

23:00-07:00

---

---

18/07/2018

07:00-23:00

48

44

18/07/2018

23:00-07:00

43

39

19/07/2018

07:00-23:00

43

43

19/07/2018

23:00-07:00

41

39

20/07/2018

07:00-23:00

---

---

20/07/2018

23:00-07:00

48

48

21/07/2018

07:00-23:00

---

---

21/07/2018

23:00-07:00

---

---

22/07/2018

07:00-23:00

45

42

22/07/2018

23:00-07:00

---

---

23/07/2018

07:00-23:00

---

---

23/07/2018

23:00-07:00

---

---

24/07/2018

07:00-23:00

---

---

24/07/2018

23:00-07:00

---

---

25/07/2018

07:00-23:00

---

---

25/07/2018

23:00-07:00

49

49

26/07/2018

07:00-23:00

---

---

26/07/2018

23:00-07:00

---

---

27/07/2018

07:00-23:00

---

---

27/07/2018

23:00-07:00

---

---

28/07/2018

07:00-23:00

---

---

28/07/2018

23:00-07:00

31

31

29/07/2018

07:00-23:00

51

51

29/07/2018

23:00-07:00

---

---

30/07/2018

07:00-23:00

---

---

30/07/2018

23:00-07:00

---

---

31/07/2018

07:00-23:00

---

---

31/07/2018

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

01/07/2018

07:00-23:00

43

36

60

46

01/07/2018

23:00-07:00

---

---

45

39

02/07/2018

07:00-23:00

---

---

60

46

02/07/2018

23:00-07:00

43

40

45

39

03/07/2018

07:00-19:00

---

---

57

51

03/07/2018

19:00-23:00

---

---

59

38

03/07/2018

23:00-07:00

37

31

45

39

04/07/2018

07:00-19:00

---

---

58

52

04/07/2018

19:00-23:00

---

---

59

40

04/07/2018

23:00-07:00

---

---

45

38

05/07/2018

07:00-19:00

---

---

56

51

05/07/2018

19:00-23:00

---

---

59

42

05/07/2018

23:00-07:00

40

39

45

36

06/07/2018

07:00-19:00

---

---

56

50

06/07/2018

19:00-23:00

---

---

57

42

06/07/2018

23:00-07:00

---

---

45

37

07/07/2018

07:00-19:00

---

---

55

47

07/07/2018

19:00-23:00

---

---

55

38

07/07/2018

23:00-07:00

45

33

44

40

08/07/2018

07:00-23:00

47

38

57

42

08/07/2018

23:00-07:00

36

36

45

38

09/07/2018

07:00-19:00

---

---

52

45

09/07/2018

19:00-23:00

35

35

53

41

09/07/2018

23:00-07:00

39

32

45

38

10/07/2018

07:00-19:00

---

---

49

45

10/07/2018

19:00-23:00

---

---

51

38

10/07/2018

23:00-07:00

41

32

45

37

11/07/2018

07:00-19:00

---

---

49

44

11/07/2018

19:00-23:00

28

28

52

41

11/07/2018

23:00-07:00

43

37

45

39

12/07/2018

07:00-19:00

55

54

53

45

12/07/2018

19:00-23:00

29

29

48

37

12/07/2018

23:00-07:00

44

36

43

37

13/07/2018

07:00-19:00

---

---

48

42

13/07/2018

19:00-23:00

38

34

47

37

13/07/2018

23:00-07:00

44

35

45

39

14/07/2018

07:00-19:00

---

---

44

44

14/07/2018

19:00-23:00

42

38

47

38

14/07/2018

23:00-07:00

45

38

45

35

15/07/2018

07:00-23:00

54

42

47

35

15/07/2018

23:00-07:00

45

40

44

38

16/07/2018

07:00-19:00

48

45

44

38

16/07/2018

19:00-23:00

---

---

49

37

16/07/2018

23:00-07:00

43

35

44

38

17/07/2018

07:00-19:00

35

35

46

38

17/07/2018

19:00-23:00

50

44

42

39

17/07/2018

23:00-07:00

44

37

45

37

18/07/2018

07:00-19:00

48

44

41

36

18/07/2018

19:00-23:00

47

38

41

33

18/07/2018

23:00-07:00

45

37

44

35

19/07/2018

07:00-19:00

43

43

46

39

19/07/2018

19:00-23:00

47

41

48

37

19/07/2018

23:00-07:00

44

38

45

34

20/07/2018

07:00-19:00

---

---

43

36

20/07/2018

19:00-23:00

---

---

46

38

20/07/2018

23:00-07:00

44

36

44

35

21/07/2018

07:00-19:00

---

---

40

34

21/07/2018

19:00-23:00

---

---

43

36

21/07/2018

23:00-07:00

---

---

45

33

22/07/2018

07:00-23:00

48

39

42

36

22/07/2018

23:00-07:00

---

---

44

38

23/07/2018

07:00-19:00

---

---

44

38

23/07/2018

19:00-23:00

39

32

44

37

23/07/2018

23:00-07:00

42

38

45

38

24/07/2018

07:00-19:00

---

---

41

38

24/07/2018

19:00-23:00

---

---

45

40

24/07/2018

23:00-07:00

34

26

45

40

25/07/2018

07:00-19:00

---

---

42

37

25/07/2018

19:00-23:00

---

---

46

39

25/07/2018

23:00-07:00

43

35

43

40

26/07/2018

07:00-19:00

---

---

42

37

26/07/2018

19:00-23:00

---

---

46

40

26/07/2018

23:00-07:00

35

35

45

40

27/07/2018

07:00-19:00

---

---

42

36

27/07/2018

19:00-23:00

---

---

47

40

27/07/2018

23:00-07:00

---

---

44

37

28/07/2018

07:00-19:00

---

---

43

39

28/07/2018

19:00-23:00

---

---

45

32

28/07/2018

23:00-07:00

39

36

45

36

29/07/2018

07:00-23:00

51

39

54

39

29/07/2018

23:00-07:00

43

43

45

36

30/07/2018

07:00-19:00

---

---

46

37

30/07/2018

19:00-23:00

---

---

45

40

30/07/2018

23:00-07:00

37

37

45

38

31/07/2018

07:00-19:00

---

---

48

39

31/07/2018

19:00-23:00

---

---

46

39

31/07/2018

23:00-07:00

35

35

42

36

 

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.