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

01/03/2017

07:00-23:00

---

---

01/03/2017

23:00-07:00

---

---

02/03/2017

07:00-23:00

---

---

02/03/2017

23:00-07:00

---

---

03/03/2017

07:00-23:00

---

---

03/03/2017

23:00-07:00

---

---

04/03/2017

07:00-23:00

---

---

04/03/2017

23:00-07:00

---

---

05/03/2017

07:00-23:00

---

---

05/03/2017

23:00-07:00

---

---

06/03/2017

07:00-23:00

43

41

06/03/2017

23:00-07:00

45

41

07/03/2017

07:00-23:00

40

38

07/03/2017

23:00-07:00

40

40

08/03/2017

07:00-23:00

40

40

08/03/2017

23:00-07:00

33

30

09/03/2017

07:00-23:00

34

34

09/03/2017

23:00-07:00

21

21

10/03/2017

07:00-23:00

50

48

10/03/2017

23:00-07:00

41

38

11/03/2017

07:00-23:00

---

---

11/03/2017

23:00-07:00

38

35

12/03/2017

07:00-23:00

35

32

12/03/2017

23:00-07:00

34

33

13/03/2017

07:00-23:00

50

47

13/03/2017

23:00-07:00

---

---

14/03/2017

07:00-23:00

---

---

14/03/2017

23:00-07:00

41

37

15/03/2017

07:00-23:00

39

37

15/03/2017

23:00-07:00

39

32

16/03/2017

07:00-23:00

40

40

16/03/2017

23:00-07:00

---

---

17/03/2017

07:00-23:00

26

26

17/03/2017

23:00-07:00

42

36

18/03/2017

07:00-23:00

---

---

18/03/2017

23:00-07:00

33

30

19/03/2017

07:00-23:00

52

46

19/03/2017

23:00-07:00

45

45

20/03/2017

07:00-23:00

49

47

20/03/2017

23:00-07:00

---

---

21/03/2017

07:00-23:00

53

50

21/03/2017

23:00-07:00

35

31

22/03/2017

07:00-23:00

52

52

22/03/2017

23:00-07:00

36

36

23/03/2017

07:00-23:00

43

40

23/03/2017

23:00-07:00

45

39

24/03/2017

07:00-23:00

49

49

24/03/2017

23:00-07:00

50

50

25/03/2017

07:00-23:00

42

39

25/03/2017

23:00-07:00

28

26

26/03/2017

07:00-23:00

33

29

26/03/2017

23:00-07:00

38

35

27/03/2017

07:00-23:00

41

39

27/03/2017

23:00-07:00

---

---

28/03/2017

07:00-23:00

48

45

28/03/2017

23:00-07:00

41

37

29/03/2017

07:00-23:00

---

---

29/03/2017

23:00-07:00

---

---

30/03/2017

07:00-23:00

---

---

30/03/2017

23:00-07:00

---

---

31/03/2017

07:00-23:00

---

---

31/03/2017

23:00-07:00

---

---

 

Note: “---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 01/03/2017 07:00 – 06/03/2017 07:00 and 29/03/2017 07:00 – 01/04/2017 07:00.  The noise monitoring station was in normal operation but there were no data of calculated noise level at NSR at Hung Shing Ye.

 

 

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

01/03/2017

07:00-19:00

---

---

---

---

01/03/2017

19:00-23:00

---

---

---

---

01/03/2017

23:00-07:00

---

---

32

22

02/03/2017

07:00-19:00

---

---

---

---

02/03/2017

19:00-23:00

---

---

---

---

02/03/2017

23:00-07:00

---

---

33

28

03/03/2017

07:00-19:00

---

---

---

---

03/03/2017

19:00-23:00

---

---

16

16

03/03/2017

23:00-07:00

---

---

29

26

04/03/2017

07:00-19:00

---

---

---

---

04/03/2017

19:00-23:00

---

---

---

---

04/03/2017

23:00-07:00

---

---

29

22

05/03/2017

07:00-23:00

---

---

---

---

05/03/2017

23:00-07:00

---

---

24

21

06/03/2017

07:00-19:00

---

---

---

---

06/03/2017

19:00-23:00

47

39

42

36

06/03/2017

23:00-07:00

45

40

39

30

07/03/2017

07:00-19:00

40

38

---

---

07/03/2017

19:00-23:00

38

36

---

---

07/03/2017

23:00-07:00

45

35

27

27

08/03/2017

07:00-19:00

40

40

---

---

08/03/2017

19:00-23:00

---

---

---

---

08/03/2017

23:00-07:00

39

32

26

20

09/03/2017

07:00-19:00

---

---

---

---

09/03/2017

19:00-23:00

35

31

24

24

09/03/2017

23:00-07:00

38

32

33

30

10/03/2017

07:00-19:00

50

47

---

---

10/03/2017

19:00-23:00

---

---

---

---

10/03/2017

23:00-07:00

43

36

38

34

11/03/2017

07:00-19:00

---

---

---

---

11/03/2017

19:00-23:00

---

---

---

---

11/03/2017

23:00-07:00

45

34

40

32

12/03/2017

07:00-23:00

39

30

20

18

12/03/2017

23:00-07:00

36

33

---

---

13/03/2017

07:00-19:00

50

46

---

---

13/03/2017

19:00-23:00

33

29

---

---

13/03/2017

23:00-07:00

33

27

16

16

14/03/2017

07:00-19:00

---

---

---

---

14/03/2017

19:00-23:00

---

---

---

---

14/03/2017

23:00-07:00

43

33

32

32

15/03/2017

07:00-19:00

---

---

---

---

15/03/2017

19:00-23:00

43

36

28

27

15/03/2017

23:00-07:00

43

30

30

29

16/03/2017

07:00-19:00

40

40

---

---

16/03/2017

19:00-23:00

---

---

---

---

16/03/2017

23:00-07:00

---

---

---

---

17/03/2017

07:00-19:00

---

---

---

---

17/03/2017

19:00-23:00

37

27

32

24

17/03/2017

23:00-07:00

45

33

40

28

18/03/2017

07:00-19:00

---

---

---

---

18/03/2017

19:00-23:00

---

---

---

---

18/03/2017

23:00-07:00

37

29

32

25

19/03/2017

07:00-23:00

56

43

37

37

19/03/2017

23:00-07:00

33

26

28

28

20/03/2017

07:00-19:00

49

46

---

---

20/03/2017

19:00-23:00

---

---

---

---

20/03/2017

23:00-07:00

32

32

28

28

21/03/2017

07:00-19:00

53

52

---

---

21/03/2017

19:00-23:00

38

28

---

---

21/03/2017

23:00-07:00

38

31

34

26

22/03/2017

07:00-19:00

52

52

---

---

22/03/2017

19:00-23:00

---

---

---

---

22/03/2017

23:00-07:00

45

30

34

27

23/03/2017

07:00-19:00

41

41

---

---

23/03/2017

19:00-23:00

44

38

40

33

23/03/2017

23:00-07:00

44

35

38

28

24/03/2017

07:00-19:00

49

49

---

---

24/03/2017

19:00-23:00

---

---

---

---

24/03/2017

23:00-07:00

30

21

25

17

25/03/2017

07:00-19:00

42

34

---

---

25/03/2017

19:00-23:00

---

---

---

---

25/03/2017

23:00-07:00

34

27

---

---

26/03/2017

07:00-23:00

41

27

28

28

26/03/2017

23:00-07:00

38

33

30

26

27/03/2017

07:00-19:00

41

39

---

---

27/03/2017

19:00-23:00

---

---

38

38

27/03/2017

23:00-07:00

---

---

32

26

28/03/2017

07:00-19:00

66

57

---

---

28/03/2017

19:00-23:00

47

39

---

---

28/03/2017

23:00-07:00

44

36

33

28

29/03/2017

07:00-19:00

---

---

---

---

29/03/2017

19:00-23:00

---

---

31

28

29/03/2017

23:00-07:00

---

---

31

30

30/03/2017

07:00-19:00

---

---

---

---

30/03/2017

19:00-23:00

---

---

---

---

30/03/2017

23:00-07:00

---

---

35

35

31/03/2017

07:00-19:00

---

---

---

---

31/03/2017

19:00-23:00

---

---

---

---

31/03/2017

23:00-07:00

---

---

35

31

 

Note:

a.   ---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 01/03/2017 07:00 – 06/03/2017 19:00 and 29/03/2017 07:00 – 01/04/2017 07:00.  The Ash Lagoon noise monitoring station was in normal operation but there were no data of calculated noise level at NSR at Long Tsai Tsuen/Hung Shing Ye.

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.