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

01/07/2017

07:00-23:00

41

34

01/07/2017

23:00-07:00

45

45

02/07/2017

07:00-23:00

48

39

02/07/2017

23:00-07:00

34

31

03/07/2017

07:00-23:00

43

42

03/07/2017

23:00-07:00

---

---

04/07/2017

07:00-23:00

31

31

04/07/2017

23:00-07:00

45

31

05/07/2017

07:00-23:00

---

---

05/07/2017

23:00-07:00

39

32

06/07/2017

07:00-23:00

53

53

06/07/2017

23:00-07:00

33

27

07/07/2017

07:00-23:00

46

32

07/07/2017

23:00-07:00

37

32

08/07/2017

07:00-23:00

---

---

08/07/2017

23:00-07:00

31

30

09/07/2017

07:00-23:00

26

26

09/07/2017

23:00-07:00

37

34

10/07/2017

07:00-23:00

53

53

10/07/2017

23:00-07:00

---

---

11/07/2017

07:00-23:00

45

45

11/07/2017

23:00-07:00

29

27

12/07/2017

07:00-23:00

---

---

12/07/2017

23:00-07:00

47

28

13/07/2017

07:00-23:00

31

28

13/07/2017

23:00-07:00

36

28

14/07/2017

07:00-23:00

---

---

14/07/2017

23:00-07:00

26

18

15/07/2017

07:00-23:00

48

38

15/07/2017

23:00-07:00

34

28

16/07/2017

07:00-23:00

40

29

16/07/2017

23:00-07:00

35

26

17/07/2017

07:00-23:00

33

33

17/07/2017

23:00-07:00

29

29

18/07/2017

07:00-23:00

45

36

18/07/2017

23:00-07:00

43

28

19/07/2017

07:00-23:00

40

33

19/07/2017

23:00-07:00

41

36

20/07/2017

07:00-23:00

26

26

20/07/2017

23:00-07:00

---

---

21/07/2017

07:00-23:00

57

33

21/07/2017

23:00-07:00

46

28

22/07/2017

07:00-23:00

---

---

22/07/2017

23:00-07:00

---

---

23/07/2017

07:00-23:00

---

---

23/07/2017

23:00-07:00

50

42

24/07/2017

07:00-23:00

56

42

24/07/2017

23:00-07:00

---

---

25/07/2017

07:00-23:00

---

---

25/07/2017

23:00-07:00

31

26

26/07/2017

07:00-23:00

38

37

26/07/2017

23:00-07:00

39

26

27/07/2017

07:00-23:00

---

---

27/07/2017

23:00-07:00

18

18

28/07/2017

07:00-23:00

---

---

28/07/2017

23:00-07:00

39

39

29/07/2017

07:00-23:00

---

---

29/07/2017

23:00-07:00

29

29

30/07/2017

07:00-23:00

28

28

30/07/2017

23:00-07:00

36

32

31/07/2017

07:00-23:00

---

---

31/07/2017

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

01/07/2017

07:00-23:00

47

38

40

33

01/07/2017

23:00-07:00

38

25

6

6

02/07/2017

07:00-23:00

50

38

38

32

02/07/2017

23:00-07:00

44

37

32

27

03/07/2017

07:00-19:00

43

42

34

33

03/07/2017

19:00-23:00

---

---

20

20

03/07/2017

23:00-07:00

---

---

36

26

04/07/2017

07:00-19:00

31

31

27

27

04/07/2017

19:00-23:00

24

24

20

20

04/07/2017

23:00-07:00

40

27

36

23

05/07/2017

07:00-19:00

---

---

---

---

05/07/2017

19:00-23:00

37

28

33

23

05/07/2017

23:00-07:00

45

30

40

25

06/07/2017

07:00-19:00

53

53

37

37

06/07/2017

19:00-23:00

33

33

28

28

06/07/2017

23:00-07:00

35

28

30

23

07/07/2017

07:00-19:00

46

46

---

---

07/07/2017

19:00-23:00

43

31

39

26

07/07/2017

23:00-07:00

39

32

35

27

08/07/2017

07:00-19:00

---

---

---

---

08/07/2017

19:00-23:00

---

---

---

---

08/07/2017

23:00-07:00

38

29

33

24

09/07/2017

07:00-23:00

41

33

36

28

09/07/2017

23:00-07:00

39

34

34

30

10/07/2017

07:00-19:00

53

53

36

36

10/07/2017

19:00-23:00

---

---

---

---

10/07/2017

23:00-07:00

34

34

29

29

11/07/2017

07:00-19:00

45

45

40

40

11/07/2017

19:00-23:00

---

---

---

---

11/07/2017

23:00-07:00

36

27

31

23

12/07/2017

07:00-19:00

---

---

---

---

12/07/2017

19:00-23:00

---

---

---

---

12/07/2017

23:00-07:00

35

29

31

24

13/07/2017

07:00-19:00

---

---

---

---

13/07/2017

19:00-23:00

37

30

29

26

13/07/2017

23:00-07:00

44

29

32

23

14/07/2017

07:00-19:00

---

---

---

---

14/07/2017

19:00-23:00

---

---

---

---

14/07/2017

23:00-07:00

37

30

32

25

15/07/2017

07:00-19:00

48

48

41

41

15/07/2017

19:00-23:00

38

34

33

29

15/07/2017

23:00-07:00

39

29

35

24

16/07/2017

07:00-23:00

42

31

37

26

16/07/2017

23:00-07:00

36

30

32

25

17/07/2017

07:00-19:00

---

---

---

---

17/07/2017

19:00-23:00

42

32

37

27

17/07/2017

23:00-07:00

34

29

29

25

18/07/2017

07:00-19:00

41

41

37

37

18/07/2017

19:00-23:00

47

38

43

38

18/07/2017

23:00-07:00

44

30

39

25

19/07/2017

07:00-19:00

40

33

36

28

19/07/2017

19:00-23:00

41

33

36

28

19/07/2017

23:00-07:00

42

33

37

28

20/07/2017

07:00-19:00

26

26

22

22

20/07/2017

19:00-23:00

36

29

31

31

20/07/2017

23:00-07:00

28

22

23

18

21/07/2017

07:00-19:00

57

57

39

39

21/07/2017

19:00-23:00

35

30

30

24

21/07/2017

23:00-07:00

43

28

34

23

22/07/2017

07:00-19:00

---

---

---

---

22/07/2017

19:00-23:00

---

---

41

37

22/07/2017

23:00-07:00

---

---

40

35

23/07/2017

07:00-23:00

---

---

---

---

23/07/2017

23:00-07:00

41

29

32

19

24/07/2017

07:00-19:00

56

42

28

28

24/07/2017

19:00-23:00

---

---

---

---

24/07/2017

23:00-07:00

37

27

32

22

25/07/2017

07:00-19:00

---

---

---

---

25/07/2017

19:00-23:00

---

---

---

---

25/07/2017

23:00-07:00

39

25

35

20

26/07/2017

07:00-19:00

38

37

---

---

26/07/2017

19:00-23:00

---

---

---

---

26/07/2017

23:00-07:00

35

26

31

22

27/07/2017

07:00-19:00

---

---

---

---

27/07/2017

19:00-23:00

---

---

---

---

27/07/2017

23:00-07:00

33

25

28

21

28/07/2017

07:00-19:00

---

---

---

---

28/07/2017

19:00-23:00

---

---

---

---

28/07/2017

23:00-07:00

32

28

28

23

29/07/2017

07:00-19:00

---

---

---

---

29/07/2017

19:00-23:00

---

---

---

---

29/07/2017

23:00-07:00

40

22

25

14

30/07/2017

07:00-23:00

35

26

31

20

30/07/2017

23:00-07:00

39

31

34

26

31/07/2017

07:00-19:00

---

---

---

---

31/07/2017

19:00-23:00

---

---

---

---

31/07/2017

23:00-07:00

---

---

32

26

 

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.