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

01/01/2017

07:00-23:00

---

---

01/01/2017

23:00-07:00

---

---

02/01/2017

07:00-23:00

47

46

02/01/2017

23:00-07:00

41

37

03/01/2017

07:00-23:00

32

30

03/01/2017

23:00-07:00

34

31

04/01/2017

07:00-23:00

---

---

04/01/2017

23:00-07:00

34

30

05/01/2017

07:00-23:00

41

41

05/01/2017

23:00-07:00

35

33

06/01/2017

07:00-23:00

---

---

06/01/2017

23:00-07:00

---

---

07/01/2017

07:00-23:00

---

---

07/01/2017

23:00-07:00

---

---

08/01/2017

07:00-23:00

---

---

08/01/2017

23:00-07:00

---

---

09/01/2017

07:00-23:00

---

---

09/01/2017

23:00-07:00

---

---

10/01/2017

07:00-23:00

---

---

10/01/2017

23:00-07:00

---

---

11/01/2017

07:00-23:00

---

---

11/01/2017

23:00-07:00

---

---

12/01/2017

07:00-23:00

---

---

12/01/2017

23:00-07:00

---

---

13/01/2017

07:00-23:00

---

---

13/01/2017

23:00-07:00

---

---

14/01/2017

07:00-23:00

---

---

14/01/2017

23:00-07:00

---

---

15/01/2017

07:00-23:00

---

---

15/01/2017

23:00-07:00

---

---

16/01/2017

07:00-23:00

---

---

16/01/2017

23:00-07:00

---

---

17/01/2017

07:00-23:00

---

---

17/01/2017

23:00-07:00

---

---

18/01/2017

07:00-23:00

---

---

18/01/2017

23:00-07:00

---

---

19/01/2017

07:00-23:00

---

---

19/01/2017

23:00-07:00

---

---

20/01/2017

07:00-23:00

---

---

20/01/2017

23:00-07:00

---

---

21/01/2017

07:00-23:00

---

---

21/01/2017

23:00-07:00

---

---

22/01/2017

07:00-23:00

---

---

22/01/2017

23:00-07:00

---

---

23/01/2017

07:00-23:00

---

---

23/01/2017

23:00-07:00

---

---

24/01/2017

07:00-23:00

---

---

24/01/2017

23:00-07:00

---

---

25/01/2017

07:00-23:00

---

---

25/01/2017

23:00-07:00

---

---

26/01/2017

07:00-23:00

---

---

26/01/2017

23:00-07:00

---

---

27/01/2017

07:00-23:00

---

---

27/01/2017

23:00-07:00

---

---

28/01/2017

07:00-23:00

---

---

28/01/2017

23:00-07:00

---

---

29/01/2017

07:00-23:00

---

---

29/01/2017

23:00-07:00

---

---

30/01/2017

07:00-23:00

---

---

30/01/2017

23:00-07:00

---

---

31/01/2017

07:00-23:00

---

---

31/01/2017

23:00-07:00

---

---

 

Note: “---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 06/01/2017 07:00 – 01/02/2017 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

01/01/2017

07:00-23:00

34

30

29

28

01/01/2017

23:00-07:00

24

20

20

16

02/01/2017

07:00-23:00

54

50

---

---

02/01/2017

23:00-07:00

42

35

38

31

03/01/2017

07:00-19:00

---

---

---

---

03/01/2017

19:00-23:00

37

31

30

26

03/01/2017

23:00-07:00

36

30

32

26

04/01/2017

07:00-19:00

---

---

---

---

04/01/2017

19:00-23:00

---

---

---

---

04/01/2017

23:00-07:00

36

30

31

26

05/01/2017

07:00-19:00

41

41

37

36

05/01/2017

19:00-23:00

30

28

26

24

05/01/2017

23:00-07:00

38

32

34

27

06/01/2017

07:00-19:00

---

---

---

---

06/01/2017

19:00-23:00

---

---

---

---

06/01/2017

23:00-07:00

---

---

33

25

07/01/2017

07:00-19:00

---

---

---

---

07/01/2017

19:00-23:00

---

---

---

---

07/01/2017

23:00-07:00

---

---

27

22

08/01/2017

07:00-23:00

---

---

44

42

08/01/2017

23:00-07:00

---

---

25

20

09/01/2017

07:00-19:00

---

---

---

---

09/01/2017

19:00-23:00

---

---

37

30

09/01/2017

23:00-07:00

---

---

32

23

10/01/2017

07:00-19:00

---

---

---

---

10/01/2017

19:00-23:00

---

---

---

---

10/01/2017

23:00-07:00

---

---

31

26

11/01/2017

07:00-19:00

---

---

---

---

11/01/2017

19:00-23:00

---

---

---

---

11/01/2017

23:00-07:00

---

---

28

23

12/01/2017

07:00-19:00

---

---

---

---

12/01/2017

19:00-23:00

---

---

32

30

12/01/2017

23:00-07:00

---

---

35

29

13/01/2017

07:00-19:00

---

---

---

---

13/01/2017

19:00-23:00

---

---

32

24

13/01/2017

23:00-07:00

---

---

34

29

14/01/2017

07:00-19:00

---

---

---

---

14/01/2017

19:00-23:00

---

---

25

20

14/01/2017

23:00-07:00

---

---

42

31

15/01/2017

07:00-23:00

---

---

41

30

15/01/2017

23:00-07:00

---

---

29

25

16/01/2017

07:00-19:00

---

---

---

---

16/01/2017

19:00-23:00

---

---

33

26

16/01/2017

23:00-07:00

---

---

31

23

17/01/2017

07:00-19:00

---

---

---

---

17/01/2017

19:00-23:00

---

---

---

---

17/01/2017

23:00-07:00

---

---

25

17

18/01/2017

07:00-19:00

---

---

---

---

18/01/2017

19:00-23:00

---

---

---

---

18/01/2017

23:00-07:00

---

---

28

24

19/01/2017

07:00-19:00

---

---

---

---

19/01/2017

19:00-23:00

---

---

---

---

19/01/2017

23:00-07:00

---

---

32

20

20/01/2017

07:00-19:00

---

---

---

---

20/01/2017

19:00-23:00

---

---

---

---

20/01/2017

23:00-07:00

---

---

31

23

21/01/2017

07:00-19:00

---

---

---

---

21/01/2017

19:00-23:00

---

---

27

27

21/01/2017

23:00-07:00

---

---

32

25

22/01/2017

07:00-23:00

---

---

27

26

22/01/2017

23:00-07:00

---

---

34

24

23/01/2017

07:00-19:00

---

---

---

---

23/01/2017

19:00-23:00

---

---

27

24

23/01/2017

23:00-07:00

---

---

32

26

24/01/2017

07:00-19:00

---

---

---

---

24/01/2017

19:00-23:00

---

---

38

29

24/01/2017

23:00-07:00

---

---

33

25

25/01/2017

07:00-19:00

---

---

---

---

25/01/2017

19:00-23:00

---

---

---

---

25/01/2017

23:00-07:00

---

---

30

26

26/01/2017

07:00-19:00

---

---

---

---

26/01/2017

19:00-23:00

---

---

---

---

26/01/2017

23:00-07:00

---

---

27

23

27/01/2017

07:00-19:00

---

---

---

---

27/01/2017

19:00-23:00

---

---

---

---

27/01/2017

23:00-07:00

---

---

33

24

28/01/2017

07:00-23:00

---

---

---

---

28/01/2017

23:00-07:00

---

---

32

23

29/01/2017

07:00-23:00

---

---

33

27

29/01/2017

23:00-07:00

---

---

28

25

30/01/2017

07:00-23:00

---

---

33

29

30/01/2017

23:00-07:00

---

---

35

29

31/01/2017

07:00-23:00

---

---

---

---

31/01/2017

23:00-07:00

---

---

---

---

 

Note:

a.   “---“ represents the measured noise monitoring data lower than the established notional background level, particularly for the period of 06/01/2017 07:00 – 01/02/2017 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.