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

01/07/2019

07:00-23:00

59

54

01/07/2019

23:00-07:00

44

41

02/07/2019

07:00-23:00

59

54

02/07/2019

23:00-07:00

50

47

03/07/2019

07:00-23:00

59

54

03/07/2019

23:00-07:00

50

47

04/07/2019

07:00-23:00

56

51

04/07/2019

23:00-07:00

49

45

05/07/2019

07:00-23:00

59

54

05/07/2019

23:00-07:00

44

40

06/07/2019

07:00-23:00

60

54

06/07/2019

23:00-07:00

49

47

07/07/2019

07:00-23:00

60

54

07/07/2019

23:00-07:00

50

48

08/07/2019

07:00-23:00

59

55

08/07/2019

23:00-07:00

---

---

09/07/2019

07:00-23:00

60

58

09/07/2019

23:00-07:00

---

---

10/07/2019

07:00-23:00

60

54

10/07/2019

23:00-07:00

50

47

11/07/2019

07:00-23:00

58

49

11/07/2019

23:00-07:00

49

45

12/07/2019

07:00-23:00

60

56

12/07/2019

23:00-07:00

48

48

13/07/2019

07:00-23:00

60

56

13/07/2019

23:00-07:00

49

48

14/07/2019

07:00-23:00

60

55

14/07/2019

23:00-07:00

---

---

15/07/2019

07:00-23:00

49

46

15/07/2019

23:00-07:00

33

33

16/07/2019

07:00-23:00

52

47

16/07/2019

23:00-07:00

---

---

17/07/2019

07:00-23:00

51

46

17/07/2019

23:00-07:00

46

46

18/07/2019

07:00-23:00

56

52

18/07/2019

23:00-07:00

22

22

19/07/2019

07:00-23:00

53

49

19/07/2019

23:00-07:00

30

30

20/07/2019

07:00-23:00

57

52

20/07/2019

23:00-07:00

44

43

21/07/2019

07:00-23:00

46

46

21/07/2019

23:00-07:00

---

---

22/07/2019

07:00-23:00

53

46

22/07/2019

23:00-07:00

49

45

23/07/2019

07:00-23:00

45

41

23/07/2019

23:00-07:00

---

---

24/07/2019

07:00-23:00

---

---

24/07/2019

23:00-07:00

---

---

25/07/2019

07:00-23:00

54

51

25/07/2019

23:00-07:00

---

---

26/07/2019

07:00-23:00

47

47

26/07/2019

23:00-07:00

45

45

27/07/2019

07:00-23:00

---

---

27/07/2019

23:00-07:00

---

---

28/07/2019

07:00-23:00

43

41

28/07/2019

23:00-07:00

---

---

29/07/2019

07:00-23:00

---

---

29/07/2019

23:00-07:00

---

---

30/07/2019

07:00-23:00

28

28

30/07/2019

23:00-07:00

---

---

31/07/2019

07:00-23:00

46

46

31/07/2019

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

01/07/2019

07:00-23:00

60

52

53

39

01/07/2019

23:00-07:00

45

38

45

37

02/07/2019

07:00-19:00

59

53

46

42

02/07/2019

19:00-23:00

60

51

55

42

02/07/2019

23:00-07:00

45

43

45

42

03/07/2019

07:00-19:00

59

51

49

44

03/07/2019

19:00-23:00

59

54

47

40

03/07/2019

23:00-07:00

44

39

45

40

04/07/2019

07:00-19:00

56

50

49

44

04/07/2019

19:00-23:00

59

41

47

37

04/07/2019

23:00-07:00

44

36

45

40

05/07/2019

07:00-19:00

59

54

50

40

05/07/2019

19:00-23:00

50

44

43

38

05/07/2019

23:00-07:00

45

38

45

40

06/07/2019

07:00-19:00

60

53

48

43

06/07/2019

19:00-23:00

53

46

45

40

06/07/2019

23:00-07:00

45

44

45

43

07/07/2019

07:00-23:00

60

51

50

42

07/07/2019

23:00-07:00

45

43

45

43

08/07/2019

07:00-19:00

59

53

48

43

08/07/2019

19:00-23:00

59

54

49

42

08/07/2019

23:00-07:00

---

---

45

44

09/07/2019

07:00-19:00

60

58

48

44

09/07/2019

19:00-23:00

60

55

48

41

09/07/2019

23:00-07:00

---

---

45

44

10/07/2019

07:00-19:00

60

51

51

42

10/07/2019

19:00-23:00

40

40

49

42

10/07/2019

23:00-07:00

44

39

45

40

11/07/2019

07:00-19:00

58

46

50

41

11/07/2019

19:00-23:00

43

36

43

36

11/07/2019

23:00-07:00

45

40

45

39

12/07/2019

07:00-19:00

60

54

48

40

12/07/2019

19:00-23:00

60

52

51

39

12/07/2019

23:00-07:00

43

43

45

43

13/07/2019

07:00-19:00

60

57

50

43

13/07/2019

19:00-23:00

54

48

44

39

13/07/2019

23:00-07:00

45

45

45

43

14/07/2019

07:00-23:00

60

52

55

41

14/07/2019

23:00-07:00

---

---

45

41

15/07/2019

07:00-19:00

49

44

48

40

15/07/2019

19:00-23:00

37

37

55

41

15/07/2019

23:00-07:00

44

34

45

39

16/07/2019

07:00-19:00

52

43

46

40

16/07/2019

19:00-23:00

43

43

54

41

16/07/2019

23:00-07:00

44

41

44

40

17/07/2019

07:00-19:00

49

40

48

39

17/07/2019

19:00-23:00

52

42

51

36

17/07/2019

23:00-07:00

42

32

43

39

18/07/2019

07:00-19:00

56

49

44

38

18/07/2019

19:00-23:00

---

---

43

37

18/07/2019

23:00-07:00

39

33

44

38

19/07/2019

07:00-19:00

53

47

48

39

19/07/2019

19:00-23:00

50

40

41

37

19/07/2019

23:00-07:00

41

33

45

38

20/07/2019

07:00-19:00

57

49

50

40

20/07/2019

19:00-23:00

---

---

44

40

20/07/2019

23:00-07:00

44

40

45

41

21/07/2019

07:00-23:00

46

40

54

38

21/07/2019

23:00-07:00

---

---

44

41

22/07/2019

07:00-19:00

46

35

45

36

22/07/2019

19:00-23:00

60

43

54

36

22/07/2019

23:00-07:00

45

38

45

39

23/07/2019

07:00-19:00

45

40

42

35

23/07/2019

19:00-23:00

44

36

46

34

23/07/2019

23:00-07:00

39

33

43

39

24/07/2019

07:00-19:00

---

---

47

34

24/07/2019

19:00-23:00

---

---

44

37

24/07/2019

23:00-07:00

---

---

44

39

25/07/2019

07:00-19:00

54

45

59

38

25/07/2019

19:00-23:00

---

---

46

38

25/07/2019

23:00-07:00

34

32

42

36

26/07/2019

07:00-19:00

47

47

44

37

26/07/2019

19:00-23:00

---

---

47

38

26/07/2019

23:00-07:00

45

43

44

40

27/07/2019

07:00-19:00

---

---

47

40

27/07/2019

19:00-23:00

---

---

50

40

27/07/2019

23:00-07:00

---

---

45

39

28/07/2019

07:00-23:00

47

40

56

37

28/07/2019

23:00-07:00

45

31

45

41

29/07/2019

07:00-19:00

---

---

52

40

29/07/2019

19:00-23:00

---

---

46

39

29/07/2019

23:00-07:00

32

32

43

39

30/07/2019

07:00-19:00

---

---

46

41

30/07/2019

19:00-23:00

45

34

46

38

30/07/2019

23:00-07:00

40

39

45

35

31/07/2019

07:00-19:00

46

46

46

43

31/07/2019

19:00-23:00

---

---

---

---

31/07/2019

23:00-07:00

---

---

---

---

 

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.