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

01/06/2019

07:00-23:00

55

51

01/06/2019

23:00-07:00

46

43

02/06/2019

07:00-23:00

60

56

02/06/2019

23:00-07:00

45

45

03/06/2019

07:00-23:00

57

53

03/06/2019

23:00-07:00

---

---

04/06/2019

07:00-23:00

54

50

04/06/2019

23:00-07:00

48

45

05/06/2019

07:00-23:00

57

53

05/06/2019

23:00-07:00

36

36

06/06/2019

07:00-23:00

53

52

06/06/2019

23:00-07:00

37

37

07/06/2019

07:00-23:00

52

46

07/06/2019

23:00-07:00

42

41

08/06/2019

07:00-23:00

55

53

08/06/2019

23:00-07:00

---

---

09/06/2019

07:00-23:00

55

51

09/06/2019

23:00-07:00

48

48

10/06/2019

07:00-23:00

56

51

10/06/2019

23:00-07:00

37

37

11/06/2019

07:00-23:00

54

52

11/06/2019

23:00-07:00

41

41

12/06/2019

07:00-23:00

46

43

12/06/2019

23:00-07:00

---

---

13/06/2019

07:00-23:00

48

46

13/06/2019

23:00-07:00

50

48

14/06/2019

07:00-23:00

60

56

14/06/2019

23:00-07:00

45

41

15/06/2019

07:00-23:00

57

54

15/06/2019

23:00-07:00

48

46

16/06/2019

07:00-23:00

54

47

16/06/2019

23:00-07:00

49

44

17/06/2019

07:00-23:00

57

53

17/06/2019

23:00-07:00

39

39

18/06/2019

07:00-23:00

59

55

18/06/2019

23:00-07:00

31

29

19/06/2019

07:00-23:00

57

53

19/06/2019

23:00-07:00

40

40

20/06/2019

07:00-23:00

57

53

20/06/2019

23:00-07:00

39

39

21/06/2019

07:00-23:00

58

53

21/06/2019

23:00-07:00

45

44

22/06/2019

07:00-23:00

59

54

22/06/2019

23:00-07:00

43

43

23/06/2019

07:00-23:00

57

48

23/06/2019

23:00-07:00

---

---

24/06/2019

07:00-23:00

58

52

24/06/2019

23:00-07:00

---

---

25/06/2019

07:00-23:00

58

54

25/06/2019

23:00-07:00

42

41

26/06/2019

07:00-23:00

60

53

26/06/2019

23:00-07:00

33

33

27/06/2019

07:00-23:00

57

53

27/06/2019

23:00-07:00

48

45

28/06/2019

07:00-23:00

59

53

28/06/2019

23:00-07:00

49

45

29/06/2019

07:00-23:00

56

50

29/06/2019

23:00-07:00

46

44

30/06/2019

07:00-23:00

56

49

30/06/2019

23:00-07:00

32

32

 

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

01/06/2019

07:00-19:00

55

51

52

43

01/06/2019

19:00-23:00

47

37

44

39

01/06/2019

23:00-07:00

45

40

44

39

02/06/2019

07:00-23:00

60

46

49

39

02/06/2019

23:00-07:00

45

44

42

39

03/06/2019

07:00-19:00

57

51

48

40

03/06/2019

19:00-23:00

---

---

48

40

03/06/2019

23:00-07:00

42

42

45

40

04/06/2019

07:00-19:00

54

49

52

39

04/06/2019

19:00-23:00

---

---

50

40

04/06/2019

23:00-07:00

39

36

45

40

05/06/2019

07:00-19:00

62

52

54

43

05/06/2019

19:00-23:00

44

44

50

42

05/06/2019

23:00-07:00

40

37

44

39

06/06/2019

07:00-19:00

53

52

48

42

06/06/2019

19:00-23:00

---

---

49

42

06/06/2019

23:00-07:00

45

36

44

40

07/06/2019

07:00-23:00

59

42

59

41

07/06/2019

23:00-07:00

44

41

44

40

08/06/2019

07:00-19:00

55

52

53

46

08/06/2019

19:00-23:00

---

---

48

42

08/06/2019

23:00-07:00

---

---

45

43

09/06/2019

07:00-23:00

59

46

58

44

09/06/2019

23:00-07:00

41

39

45

42

10/06/2019

07:00-19:00

56

49

52

46

10/06/2019

19:00-23:00

---

---

52

39

10/06/2019

23:00-07:00

37

37

45

41

11/06/2019

07:00-19:00

54

51

55

49

11/06/2019

19:00-23:00

43

39

45

40

11/06/2019

23:00-07:00

41

35

45

39

12/06/2019

07:00-19:00

28

28

52

45

12/06/2019

19:00-23:00

48

43

47

41

12/06/2019

23:00-07:00

44

35

44

39

13/06/2019

07:00-19:00

48

44

57

44

13/06/2019

19:00-23:00

---

---

51

39

13/06/2019

23:00-07:00

44

37

45

37

14/06/2019

07:00-19:00

62

54

51

41

14/06/2019

19:00-23:00

---

---

51

38

14/06/2019

23:00-07:00

45

39

43

35

15/06/2019

07:00-19:00

57

53

46

41

15/06/2019

19:00-23:00

---

---

51

44

15/06/2019

23:00-07:00

44

42

45

40

16/06/2019

07:00-23:00

60

41

53

38

16/06/2019

23:00-07:00

44

32

45

40

17/06/2019

07:00-19:00

57

51

45

40

17/06/2019

19:00-23:00

31

30

47

37

17/06/2019

23:00-07:00

42

38

44

40

18/06/2019

07:00-19:00

59

52

50

43

18/06/2019

19:00-23:00

56

49

51

40

18/06/2019

23:00-07:00

39

32

45

39

19/06/2019

07:00-19:00

63

52

48

42

19/06/2019

19:00-23:00

---

---

53

40

19/06/2019

23:00-07:00

45

40

44

41

20/06/2019

07:00-19:00

57

51

50

43

20/06/2019

19:00-23:00

36

36

50

41

20/06/2019

23:00-07:00

39

34

44

40

21/06/2019

07:00-19:00

58

51

50

43

21/06/2019

19:00-23:00

44

39

52

41

21/06/2019

23:00-07:00

45

37

45

41

22/06/2019

07:00-19:00

61

52

51

43

22/06/2019

19:00-23:00

---

---

53

43

22/06/2019

23:00-07:00

45

44

45

42

23/06/2019

07:00-23:00

60

42

55

40

23/06/2019

23:00-07:00

43

34

45

42

24/06/2019

07:00-19:00

58

49

49

42

24/06/2019

19:00-23:00

46

42

56

37

24/06/2019

23:00-07:00

41

41

44

38

25/06/2019

07:00-19:00

58

51

49

41

25/06/2019

19:00-23:00

---

---

43

33

25/06/2019

23:00-07:00

44

42

45

39

26/06/2019

07:00-19:00

64

52

56

43

26/06/2019

19:00-23:00

---

---

48

36

26/06/2019

23:00-07:00

44

38

42

39

27/06/2019

07:00-19:00

57

52

49

41

27/06/2019

19:00-23:00

46

37

55

37

27/06/2019

23:00-07:00

45

37

43

38

28/06/2019

07:00-19:00

66

51

52

41

28/06/2019

19:00-23:00

46

38

42

36

28/06/2019

23:00-07:00

45

38

43

37

29/06/2019

07:00-19:00

56

48

51

39

29/06/2019

19:00-23:00

44

39

49

38

29/06/2019

23:00-07:00

45

37

44

37

30/06/2019

07:00-23:00

56

42

60

39

30/06/2019

23:00-07:00

42

33

45

38

 

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.