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

01/02/2017

07:00-23:00

---

---

01/02/2017

23:00-07:00

---

---

02/02/2017

07:00-23:00

---

---

02/02/2017

23:00-07:00

---

---

03/02/2017

07:00-23:00

40

36

03/02/2017

23:00-07:00

33

30

04/02/2017

07:00-23:00

35

34

04/02/2017

23:00-07:00

29

26

05/02/2017

07:00-23:00

31

27

05/02/2017

23:00-07:00

33

33

06/02/2017

07:00-23:00

---

---

06/02/2017

23:00-07:00

44

44

07/02/2017

07:00-23:00

---

---

07/02/2017

23:00-07:00

39

36

08/02/2017

07:00-23:00

32

30

08/02/2017

23:00-07:00

33

30

09/02/2017

07:00-23:00

39

34

09/02/2017

23:00-07:00

39

35

10/02/2017

07:00-23:00

38

33

10/02/2017

23:00-07:00

36

35

11/02/2017

07:00-23:00

---

---

11/02/2017

23:00-07:00

22

22

12/02/2017

07:00-23:00

39

37

12/02/2017

23:00-07:00

27

26

13/02/2017

07:00-23:00

31

29

13/02/2017

23:00-07:00

43

39

14/02/2017

07:00-23:00

---

---

14/02/2017

23:00-07:00

31

29

15/02/2017

07:00-23:00

---

---

15/02/2017

23:00-07:00

32

32

16/02/2017

07:00-23:00

38

36

16/02/2017

23:00-07:00

41

37

17/02/2017

07:00-23:00

49

49

17/02/2017

23:00-07:00

---

---

18/02/2017

07:00-23:00

---

---

18/02/2017

23:00-07:00

---

---

19/02/2017

07:00-23:00

---

---

19/02/2017

23:00-07:00

---

---

20/02/2017

07:00-23:00

---

---

20/02/2017

23:00-07:00

---

---

21/02/2017

07:00-23:00

---

---

21/02/2017

23:00-07:00

---

---

22/02/2017

07:00-23:00

---

---

22/02/2017

23:00-07:00

---

---

23/02/2017

07:00-23:00

---

---

23/02/2017

23:00-07:00

---

---

24/02/2017

07:00-23:00

---

---

24/02/2017

23:00-07:00

---

---

25/02/2017

07:00-23:00

---

---

25/02/2017

23:00-07:00

---

---

26/02/2017

07:00-23:00

---

---

26/02/2017

23:00-07:00

---

---

27/02/2017

07:00-23:00

---

---

27/02/2017

23:00-07:00

---

---

28/02/2017

07:00-23:00

---

---

28/02/2017

23:00-07:00

---

---

 

Note: “---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 01/02/2017 07:00 – 03/02/2017 07:00 and 17/02/2017 23:00 – 01/03/2017 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

01/02/2017

07:00-19:00

---

---

---

---

01/02/2017

19:00-23:00

---

---

---

---

01/02/2017

23:00-07:00

---

---

29

21

02/02/2017

07:00-19:00

---

---

---

---

02/02/2017

19:00-23:00

---

---

23

23

02/02/2017

23:00-07:00

---

---

35

26

03/02/2017

07:00-19:00

---

---

---

---

03/02/2017

19:00-23:00

43

35

38

30

03/02/2017

23:00-07:00

36

28

31

23

04/02/2017

07:00-19:00

---

---

---

---

04/02/2017

19:00-23:00

36

34

31

29

04/02/2017

23:00-07:00

36

28

31

23

05/02/2017

07:00-23:00

40

28

35

23

05/02/2017

23:00-07:00

36

31

31

27

06/02/2017

07:00-19:00

---

---

---

---

06/02/2017

19:00-23:00

39

35

34

30

06/02/2017

23:00-07:00

45

38

41

33

07/02/2017

07:00-19:00

---

---

---

---

07/02/2017

19:00-23:00

23

18

18

14

07/02/2017

23:00-07:00

41

34

37

29

08/02/2017

07:00-19:00

32

26

28

22

08/02/2017

19:00-23:00

38

30

33

25

08/02/2017

23:00-07:00

36

29

31

24

09/02/2017

07:00-19:00

39

32

34

27

09/02/2017

19:00-23:00

32

25

27

21

09/02/2017

23:00-07:00

40

33

35

28

10/02/2017

07:00-19:00

38

31

33

26

10/02/2017

19:00-23:00

37

33

32

28

10/02/2017

23:00-07:00

38

34

33

29

11/02/2017

07:00-19:00

---

---

---

---

11/02/2017

19:00-23:00

---

---

---

---

11/02/2017

23:00-07:00

32

26

28

23

12/02/2017

07:00-23:00

39

36

34

31

12/02/2017

23:00-07:00

35

30

30

26

13/02/2017

07:00-19:00

---

---

---

---

13/02/2017

19:00-23:00

41

32

37

27

13/02/2017

23:00-07:00

43

36

38

32

14/02/2017

07:00-19:00

---

---

---

---

14/02/2017

19:00-23:00

---

---

---

---

14/02/2017

23:00-07:00

35

30

30

24

15/02/2017

07:00-19:00

---

---

---

---

15/02/2017

19:00-23:00

---

---

---

---

15/02/2017

23:00-07:00

38

28

33

24

16/02/2017

07:00-19:00

38

38

34

34

16/02/2017

19:00-23:00

32

29

27

24

16/02/2017

23:00-07:00

42

37

38

32

17/02/2017

07:00-19:00

51

50

44

43

17/02/2017

19:00-23:00

---

---

26

26

17/02/2017

23:00-07:00

---

---

41

33

18/02/2017

07:00-19:00

---

---

---

---

18/02/2017

19:00-23:00

---

---

---

---

18/02/2017

23:00-07:00

---

---

38

31

19/02/2017

07:00-23:00

---

---

26

23

19/02/2017

23:00-07:00

---

---

25

20

20/02/2017

07:00-19:00

---

---

---

---

20/02/2017

19:00-23:00

---

---

---

---

20/02/2017

23:00-07:00

---

---

22

19

21/02/2017

07:00-19:00

---

---

---

---

21/02/2017

19:00-23:00

---

---

34

29

21/02/2017

23:00-07:00

---

---

38

26

22/02/2017

07:00-19:00

---

---

---

---

22/02/2017

19:00-23:00

---

---

---

---

22/02/2017

23:00-07:00

---

---

36

30

23/02/2017

07:00-19:00

---

---

---

---

23/02/2017

19:00-23:00

---

---

36

36

23/02/2017

23:00-07:00

---

---

38

32

24/02/2017

07:00-19:00

---

---

---

---

24/02/2017

19:00-23:00

---

---

---

---

24/02/2017

23:00-07:00

---

---

24

19

25/02/2017

07:00-19:00

---

---

---

---

25/02/2017

19:00-23:00

---

---

---

---

25/02/2017

23:00-07:00

---

---

29

22

26/02/2017

07:00-23:00

---

---

23

23

26/02/2017

23:00-07:00

---

---

36

27

27/02/2017

07:00-19:00

---

---

---

---

27/02/2017

19:00-23:00

---

---

29

22

27/02/2017

23:00-07:00

---

---

34

26

28/02/2017

07:00-19:00

---

---

---

---

28/02/2017

19:00-23:00

---

---

---

---

28/02/2017

23:00-07:00

---

---

30

24

 

Note:

a.   ---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 01/02/2017 07:00 – 03/02/2017 19:00 and 17/02/2017 19:00 – 01/03/2017 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.