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

01/06/2020

07:00-23:00

41

41

01/06/2020

23:00-07:00

---

---

02/06/2020

07:00-23:00

53

52

02/06/2020

23:00-07:00

46

43

03/06/2020

07:00-23:00

43

40

03/06/2020

23:00-07:00

47

44

04/06/2020

07:00-23:00

53

48

04/06/2020

23:00-07:00

---

---

05/06/2020

07:00-23:00

53

49

05/06/2020

23:00-07:00

47

41

06/06/2020

07:00-23:00

57

52

06/06/2020

23:00-07:00

---

---

07/06/2020

07:00-23:00

59

52

07/06/2020

23:00-07:00

49

48

08/06/2020

07:00-23:00

55

52

08/06/2020

23:00-07:00

38

38

09/06/2020

07:00-23:00

54

49

09/06/2020

23:00-07:00

38

38

10/06/2020

07:00-23:00

51

48

10/06/2020

23:00-07:00

48

48

11/06/2020

07:00-23:00

52

45

11/06/2020

23:00-07:00

47

44

12/06/2020

07:00-23:00

56

50

12/06/2020

23:00-07:00

48

44

13/06/2020

07:00-23:00

48

48

13/06/2020

23:00-07:00

---

---

14/06/2020

07:00-23:00

44

42

14/06/2020

23:00-07:00

48

48

15/06/2020

07:00-23:00

56

50

15/06/2020

23:00-07:00

41

41

16/06/2020

07:00-23:00

48

46

16/06/2020

23:00-07:00

40

39

17/06/2020

07:00-23:00

55

54

17/06/2020

23:00-07:00

37

37

18/06/2020

07:00-23:00

57

52

18/06/2020

23:00-07:00

---

---

19/06/2020

07:00-23:00

50

48

19/06/2020

23:00-07:00

47

44

20/06/2020

07:00-23:00

60

56

20/06/2020

23:00-07:00

42

40

21/06/2020

07:00-23:00

50

45

21/06/2020

23:00-07:00

50

49

22/06/2020

07:00-23:00

57

52

22/06/2020

23:00-07:00

---

---

23/06/2020

07:00-23:00

58

55

23/06/2020

23:00-07:00

32

32

24/06/2020

07:00-23:00

47

46

24/06/2020

23:00-07:00

44

40

25/06/2020

07:00-23:00

52

48

25/06/2020

23:00-07:00

---

---

26/06/2020

07:00-23:00

49

47

26/06/2020

23:00-07:00

42

42

27/06/2020

07:00-23:00

51

51

27/06/2020

23:00-07:00

---

---

28/06/2020

07:00-23:00

53

49

28/06/2020

23:00-07:00

49

47

29/06/2020

07:00-23:00

54

51

29/06/2020

23:00-07:00

42

42

30/06/2020

07:00-23:00

---

---

30/06/2020

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

01/06/2020

07:00-19:00

41

41

47

42

01/06/2020

19:00-23:00

---

---

50

39

01/06/2020

23:00-07:00

42

40

41

34

02/06/2020

07:00-19:00

53

52

41

35

02/06/2020

19:00-23:00

---

---

42

36

02/06/2020

23:00-07:00

45

42

44

35

03/06/2020

07:00-19:00

43

38

39

35

03/06/2020

19:00-23:00

---

---

48

36

03/06/2020

23:00-07:00

43

41

43

31

04/06/2020

07:00-19:00

53

37

44

37

04/06/2020

19:00-23:00

---

---

48

42

04/06/2020

23:00-07:00

45

41

43

33

05/06/2020

07:00-19:00

53

47

43

35

05/06/2020

19:00-23:00

48

45

49

42

05/06/2020

23:00-07:00

45

38

43

35

06/06/2020

07:00-19:00

57

49

40

34

06/06/2020

19:00-23:00

40

40

36

33

06/06/2020

23:00-07:00

42

32

45

36

07/06/2020

07:00-23:00

60

45

56

39

07/06/2020

23:00-07:00

45

39

45

39

08/06/2020

07:00-19:00

55

51

45

40

08/06/2020

19:00-23:00

---

---

47

37

08/06/2020

23:00-07:00

42

39

42

33

09/06/2020

07:00-19:00

54

48

46

39

09/06/2020

19:00-23:00

---

---

49

36

09/06/2020

23:00-07:00

44

38

43

33

10/06/2020

07:00-19:00

51

46

46

40

10/06/2020

19:00-23:00

38

38

44

35

10/06/2020

23:00-07:00

40

37

45

36

11/06/2020

07:00-19:00

52

41

43

38

11/06/2020

19:00-23:00

47

47

54

41

11/06/2020

23:00-07:00

43

34

42

34

12/06/2020

07:00-19:00

56

48

48

40

12/06/2020

19:00-23:00

---

---

55

40

12/06/2020

23:00-07:00

45

37

44

36

13/06/2020

07:00-19:00

48

48

52

44

13/06/2020

19:00-23:00

41

38

57

41

13/06/2020

23:00-07:00

---

---

---

---

14/06/2020

07:00-23:00

50

40

59

45

14/06/2020

23:00-07:00

39

35

45

34

15/06/2020

07:00-19:00

56

47

50

45

15/06/2020

19:00-23:00

---

---

57

43

15/06/2020

23:00-07:00

45

39

41

36

16/06/2020

07:00-19:00

48

45

50

44

16/06/2020

19:00-23:00

46

34

55

39

16/06/2020

23:00-07:00

43

39

44

36

17/06/2020

07:00-19:00

61

55

49

45

17/06/2020

19:00-23:00

---

---

52

38

17/06/2020

23:00-07:00

45

42

45

36

18/06/2020

07:00-19:00

57

48

50

44

18/06/2020

19:00-23:00

---

---

55

40

18/06/2020

23:00-07:00

45

36

43

39

19/06/2020

07:00-19:00

50

43

59

44

19/06/2020

19:00-23:00

52

42

59

45

19/06/2020

23:00-07:00

45

38

45

38

20/06/2020

07:00-19:00

60

48

56

47

20/06/2020

19:00-23:00

38

38

60

41

20/06/2020

23:00-07:00

42

38

42

39

21/06/2020

07:00-23:00

58

44

59

45

21/06/2020

23:00-07:00

44

38

42

35

22/06/2020

07:00-19:00

57

49

55

46

22/06/2020

19:00-23:00

---

---

56

48

22/06/2020

23:00-07:00

43

42

43

32

23/06/2020

07:00-19:00

58

53

57

49

23/06/2020

19:00-23:00

47

39

51

35

23/06/2020

23:00-07:00

45

41

43

34

24/06/2020

07:00-19:00

47

46

53

46

24/06/2020

19:00-23:00

44

44

57

41

24/06/2020

23:00-07:00

44

36

40

35

25/06/2020

07:00-23:00

54

42

59

43

25/06/2020

23:00-07:00

41

39

43

35

26/06/2020

07:00-19:00

49

46

54

43

26/06/2020

19:00-23:00

39

39

54

39

26/06/2020

23:00-07:00

44

43

42

33

27/06/2020

07:00-19:00

51

51

54

44

27/06/2020

19:00-23:00

46

35

53

39

27/06/2020

23:00-07:00

43

41

42

38

28/06/2020

07:00-23:00

56

45

57

40

28/06/2020

23:00-07:00

41

36

45

38

29/06/2020

07:00-19:00

54

51

46

40

29/06/2020

19:00-23:00

---

---

51

39

29/06/2020

23:00-07:00

45

41

42

39

30/06/2020

07:00-19:00

---

---

48

39

30/06/2020

19:00-23:00

43

41

48

38

30/06/2020

23:00-07:00

34

34

45

39

 

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.