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

01/06/2017

07:00-23:00

43

43

01/06/2017

23:00-07:00

43

40

02/06/2017

07:00-23:00

33

33

02/06/2017

23:00-07:00

47

44

03/06/2017

07:00-23:00

48

44

03/06/2017

23:00-07:00

30

29

04/06/2017

07:00-23:00

---

---

04/06/2017

23:00-07:00

---

---

05/06/2017

07:00-23:00

53

48

05/06/2017

23:00-07:00

50

47

06/06/2017

07:00-23:00

49

44

06/06/2017

23:00-07:00

44

37

07/06/2017

07:00-23:00

54

47

07/06/2017

23:00-07:00

49

43

08/06/2017

07:00-23:00

53

48

08/06/2017

23:00-07:00

48

44

09/06/2017

07:00-23:00

50

47

09/06/2017

23:00-07:00

43

39

10/06/2017

07:00-23:00

49

44

10/06/2017

23:00-07:00

44

39

11/06/2017

07:00-23:00

52

43

11/06/2017

23:00-07:00

30

27

12/06/2017

07:00-23:00

33

33

12/06/2017

23:00-07:00

---

---

13/06/2017

07:00-23:00

39

37

13/06/2017

23:00-07:00

---

---

14/06/2017

07:00-23:00

54

48

14/06/2017

23:00-07:00

33

32

15/06/2017

07:00-23:00

52

47

15/06/2017

23:00-07:00

33

32

16/06/2017

07:00-23:00

55

50

16/06/2017

23:00-07:00

56

49

17/06/2017

07:00-23:00

53

49

17/06/2017

23:00-07:00

59

56

18/06/2017

07:00-23:00

58

50

18/06/2017

23:00-07:00

56

48

19/06/2017

07:00-23:00

59

51

19/06/2017

23:00-07:00

44

37

20/06/2017

07:00-23:00

60

55

20/06/2017

23:00-07:00

63

57

21/06/2017

07:00-23:00

62

56

21/06/2017

23:00-07:00

62

60

22/06/2017

07:00-23:00

56

53

22/06/2017

23:00-07:00

47

45

23/06/2017

07:00-23:00

55

53

23/06/2017

23:00-07:00

---

---

24/06/2017

07:00-23:00

58

49

24/06/2017

23:00-07:00

57

52

25/06/2017

07:00-23:00

48

43

25/06/2017

23:00-07:00

40

37

26/06/2017

07:00-23:00

47

44

26/06/2017

23:00-07:00

50

47

27/06/2017

07:00-23:00

54

52

27/06/2017

23:00-07:00

41

39

28/06/2017

07:00-23:00

50

50

28/06/2017

23:00-07:00

38

34

29/06/2017

07:00-23:00

---

---

29/06/2017

23:00-07:00

46

43

30/06/2017

07:00-23:00

51

45

30/06/2017

23:00-07:00

39

37

 

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))

Limit

Noise

Level

(dB(A))

Calculated

Noise

Level at

NSR at the

school

within Tai

Wan San

Tsuen

(dB(A))

Limit

Noise

Level

(dB(A))

Max

Avg

Max

Avg

01/06/2017

07:00-19:00

43

43

75

38

38

70

01/06/2017

19:00-23:00

---

---

60

---

---

60

01/06/2017

23:00-07:00

45

38

45

21

21

45

02/06/2017

07:00-19:00

33

33

75

28

28

70

02/06/2017

19:00-23:00

---

---

60

---

---

60

02/06/2017

23:00-07:00

41

41

45

---

---

45

03/06/2017

07:00-19:00

48

40

75

44

35

70

03/06/2017

19:00-23:00

---

---

60

---

---

60

03/06/2017

23:00-07:00

36

28

45

31

24

45

04/06/2017

07:00-23:00

---

---

60

46

30

60

04/06/2017

23:00-07:00

34

34

45

40

30

45

05/06/2017

07:00-19:00

53

46

75

45

42

70

05/06/2017

19:00-23:00

---

---

60

---

---

60

05/06/2017

23:00-07:00

44

29

45

39

25

45

06/06/2017

07:00-19:00

49

43

75

42

38

65

06/06/2017

19:00-23:00

39

31

60

35

26

60

06/06/2017

23:00-07:00

45

30

45

33

25

45

07/06/2017

07:00-19:00

54

39

75

49

35

65

07/06/2017

19:00-23:00

36

36

60

31

31

60

07/06/2017

23:00-07:00

42

29

45

42

26

45

08/06/2017

07:00-19:00

53

45

75

48

40

65

08/06/2017

19:00-23:00

---

---

60

---

---

60

08/06/2017

23:00-07:00

43

29

45

36

28

45

09/06/2017

07:00-19:00

50

45

75

45

39

65

09/06/2017

19:00-23:00

---

---

60

---

---

60

09/06/2017

23:00-07:00

42

32

45

39

28

45

10/06/2017

07:00-19:00

49

40

75

44

35

70

10/06/2017

19:00-23:00

39

39

60

34

34

60

10/06/2017

23:00-07:00

43

29

45

41

26

45

11/06/2017

07:00-23:00

58

38

60

53

32

60

11/06/2017

23:00-07:00

37

27

45

32

20

45

12/06/2017

07:00-19:00

---

---

75

---

---

70

12/06/2017

19:00-23:00

37

33

60

32

28

60

12/06/2017

23:00-07:00

37

29

45

---

---

45

13/06/2017

07:00-19:00

39

37

75

35

33

70

13/06/2017

19:00-23:00

37

37

60

33

33

60

13/06/2017

23:00-07:00

34

26

45

---

---

45

14/06/2017

07:00-19:00

54

49

75

38

35

70

14/06/2017

19:00-23:00

30

22

60

25

19

60

14/06/2017

23:00-07:00

36

31

45

31

25

45

15/06/2017

07:00-19:00

52

42

75

48

38

70

15/06/2017

19:00-23:00

---

---

60

---

---

60

15/06/2017

23:00-07:00

37

32

45

32

27

45

16/06/2017

07:00-19:00

55

48

75

50

42

70

16/06/2017

19:00-23:00

30

27

60

26

22

60

16/06/2017

23:00-07:00

45

34

45

45

34

45

17/06/2017

07:00-19:00

53

48

75

---

---

70

17/06/2017

19:00-23:00

46

36

60

33

33

60

17/06/2017

23:00-07:00

43

28

45

23

15

45

18/06/2017

07:00-23:00

60

42

60

46

35

60

18/06/2017

23:00-07:00

41

36

45

---

---

45

19/06/2017

07:00-19:00

59

41

75

39

39

70

19/06/2017

19:00-23:00

34

28

60

---

---

60

19/06/2017

23:00-07:00

42

32

45

---

---

45

20/06/2017

07:00-19:00

60

50

75

---

---

70

20/06/2017

19:00-23:00

---

---

60

---

---

60

20/06/2017

23:00-07:00

42

36

45

45

36

45

21/06/2017

07:00-19:00

62

50

75

41

37

70

21/06/2017

19:00-23:00

---

---

60

---

---

60

21/06/2017

23:00-07:00

---

---

45

---

---

45

22/06/2017

07:00-19:00

56

51

75

47

39

70

22/06/2017

19:00-23:00

---

---

60

---

---

60

22/06/2017

23:00-07:00

44

36

45

39

35

45

23/06/2017

07:00-19:00

55

55

75

41

41

70

23/06/2017

19:00-23:00

56

56

60

45

45

60

23/06/2017

23:00-07:00

35

31

45

30

28

45

24/06/2017

07:00-19:00

58

44

75

43

36

70

24/06/2017

19:00-23:00

42

35

60

36

28

60

24/06/2017

23:00-07:00

41

28

45

25

20

45

25/06/2017

07:00-23:00

56

40

60

49

37

60

25/06/2017

23:00-07:00

44

36

45

37

33

45

26/06/2017

07:00-19:00

47

42

75

42

37

70

26/06/2017

19:00-23:00

36

29

60

30

28

60

26/06/2017

23:00-07:00

33

27

45

41

41

45

27/06/2017

07:00-19:00

54

48

75

32

32

70

27/06/2017

19:00-23:00

33

29

60

---

---

60

27/06/2017

23:00-07:00

43

39

45

---

---

45

28/06/2017

07:00-19:00

---

---

75

---

---

70

28/06/2017

19:00-23:00

57

51

60

---

---

60

28/06/2017

23:00-07:00

45

31

45

---

---

45

29/06/2017

07:00-19:00

---

---

75

---

---

70

29/06/2017

19:00-23:00

---

---

60

---

---

60

29/06/2017

23:00-07:00

43

35

45

---

---

45

30/06/2017

07:00-19:00

51

43

75

---

---

70

30/06/2017

19:00-23:00

36

31

60

31

26

60

30/06/2017

23:00-07:00

44

34

45

39

28

45

 

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.