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

01/04/2017

07:00-23:00

---

---

01/04/2017

23:00-07:00

---

---

02/04/2017

07:00-23:00

---

---

02/04/2017

23:00-07:00

---

---

03/04/2017

07:00-23:00

---

---

03/04/2017

23:00-07:00

---

---

04/04/2017

07:00-23:00

---

---

04/04/2017

23:00-07:00

---

---

05/04/2017

07:00-23:00

---

---

05/04/2017

23:00-07:00

---

---

06/04/2017

07:00-23:00

---

---

06/04/2017

23:00-07:00

---

---

07/04/2017

07:00-23:00

---

---

07/04/2017

23:00-07:00

---

---

08/04/2017

07:00-23:00

---

---

08/04/2017

23:00-07:00

---

---

09/04/2017

07:00-23:00

---

---

09/04/2017

23:00-07:00

---

---

10/04/2017

07:00-23:00

---

---

10/04/2017

23:00-07:00

---

---

11/04/2017

07:00-23:00

---

---

11/04/2017

23:00-07:00

---

---

12/04/2017

07:00-23:00

---

---

12/04/2017

23:00-07:00

---

---

13/04/2017

07:00-23:00

---

---

13/04/2017

23:00-07:00

---

---

14/04/2017

07:00-23:00

---

---

14/04/2017

23:00-07:00

---

---

15/04/2017

07:00-23:00

---

---

15/04/2017

23:00-07:00

---

---

16/04/2017

07:00-23:00

---

---

16/04/2017

23:00-07:00

---

---

17/04/2017

07:00-23:00

---

---

17/04/2017

23:00-07:00

30

27

18/04/2017

07:00-23:00

54

49

18/04/2017

23:00-07:00

---

---

19/04/2017

07:00-23:00

50

48

19/04/2017

23:00-07:00

47

44

20/04/2017

07:00-23:00

47

45

20/04/2017

23:00-07:00

49

49

21/04/2017

07:00-23:00

52

49

21/04/2017

23:00-07:00

34

28

22/04/2017

07:00-23:00

---

---

22/04/2017

23:00-07:00

37

31

23/04/2017

07:00-23:00

---

---

23/04/2017

23:00-07:00

41

40

24/04/2017

07:00-23:00

53

48

24/04/2017

23:00-07:00

49

41

25/04/2017

07:00-23:00

50

48

25/04/2017

23:00-07:00

32

29

26/04/2017

07:00-23:00

42

41

26/04/2017

23:00-07:00

---

---

27/04/2017

07:00-23:00

55

46

27/04/2017

23:00-07:00

36

32

28/04/2017

07:00-23:00

54

47

28/04/2017

23:00-07:00

39

38

29/04/2017

07:00-23:00

54

46

29/04/2017

23:00-07:00

---

---

30/04/2017

07:00-23:00

---

---

30/04/2017

23:00-07:00

---

---

 

Note: “---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 01/04/2017 07:00 – 17/04/2017 23:00.  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

01/04/2017

07:00-19:00

---

---

---

---

01/04/2017

19:00-23:00

---

---

26

26

01/04/2017

23:00-07:00

---

---

---

---

02/04/2017

07:00-23:00

---

---

---

---

02/04/2017

23:00-07:00

---

---

25

20

03/04/2017

07:00-19:00

---

---

---

---

03/04/2017

19:00-23:00

---

---

31

31

03/04/2017

23:00-07:00

---

---

22

22

04/04/2017

07:00-23:00

---

---

19

19

04/04/2017

23:00-07:00

---

---

23

21

05/04/2017

07:00-19:00

---

---

---

---

05/04/2017

19:00-23:00

---

---

---

---

05/04/2017

23:00-07:00

---

---

15

15

06/04/2017

07:00-19:00

---

---

---

---

06/04/2017

19:00-23:00

---

---

---

---

06/04/2017

23:00-07:00

---

---

29

26

07/04/2017

07:00-19:00

---

---

---

---

07/04/2017

19:00-23:00

---

---

22

22

07/04/2017

23:00-07:00

---

---

---

---

08/04/2017

07:00-19:00

---

---

---

---

08/04/2017

19:00-23:00

---

---

---

---

08/04/2017

23:00-07:00

---

---

32

32

09/04/2017

07:00-23:00

---

---

32

32

09/04/2017

23:00-07:00

---

---

35

35

10/04/2017

07:00-19:00

---

---

---

---

10/04/2017

19:00-23:00

---

---

26

23

10/04/2017

23:00-07:00

---

---

---

---

11/04/2017

07:00-19:00

---

---

---

---

11/04/2017

19:00-23:00

---

---

---

---

11/04/2017

23:00-07:00

---

---

---

---

12/04/2017

07:00-19:00

---

---

---

---

12/04/2017

19:00-23:00

---

---

---

---

12/04/2017

23:00-07:00

---

---

27

27

13/04/2017

07:00-19:00

---

---

---

---

13/04/2017

19:00-23:00

---

---

15

15

13/04/2017

23:00-07:00

---

---

32

27

14/04/2017

07:00-23:00

---

---

---

---

14/04/2017

23:00-07:00

---

---

31

27

15/04/2017

07:00-23:00

---

---

---

---

15/04/2017

23:00-07:00

---

---

30

27

16/04/2017

07:00-23:00

---

---

36

26

16/04/2017

23:00-07:00

---

---

34

32

17/04/2017

07:00-23:00

---

---

39

34

17/04/2017

23:00-07:00

39

26

30

25

18/04/2017

07:00-19:00

54

46

35

28

18/04/2017

19:00-23:00

34

33

29

28

18/04/2017

23:00-07:00

---

---

26

23

19/04/2017

07:00-19:00

50

42

28

28

19/04/2017

19:00-23:00

33

33

28

28

19/04/2017

23:00-07:00

34

28

29

23

20/04/2017

07:00-19:00

47

45

---

---

20/04/2017

19:00-23:00

---

---

---

---

20/04/2017

23:00-07:00

33

31

28

26

21/04/2017

07:00-19:00

52

47

48

39

21/04/2017

19:00-23:00

29

27

---

---

21/04/2017

23:00-07:00

45

26

39

21

22/04/2017

07:00-19:00

---

---

---

---

22/04/2017

19:00-23:00

17

17

---

---

22/04/2017

23:00-07:00

45

27

30

22

23/04/2017

07:00-23:00

34

28

32

25

23/04/2017

23:00-07:00

41

38

36

33

24/04/2017

07:00-19:00

53

43

39

35

24/04/2017

19:00-23:00

39

33

34

28

24/04/2017

23:00-07:00

39

29

34

25

25/04/2017

07:00-19:00

50

48

40

39

25/04/2017

19:00-23:00

19

19

42

35

25/04/2017

23:00-07:00

43

29

37

24

26/04/2017

07:00-19:00

42

41

37

36

26/04/2017

19:00-23:00

37

36

39

31

26/04/2017

23:00-07:00

---

---

39

27

27/04/2017

07:00-19:00

55

40

32

32

27/04/2017

19:00-23:00

37

32

31

27

27/04/2017

23:00-07:00

40

31

38

26

28/04/2017

07:00-19:00

54

50

29

29

28/04/2017

19:00-23:00

43

39

37

33

28/04/2017

23:00-07:00

41

37

36

32

29/04/2017

07:00-19:00

54

43

36

36

29/04/2017

19:00-23:00

41

33

37

27

29/04/2017

23:00-07:00

---

---

31

23

30/04/2017

07:00-23:00

---

---

19

19

30/04/2017

23:00-07:00

---

---

24

22

 

Note:

a.   ---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 01/04/2017 07:00 – 17/04/2017 23:00.  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.