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

01/10/2016

07:00-23:00

34

31

01/10/2016

23:00-07:00

36

34

02/10/2016

07:00-23:00

32

32

02/10/2016

23:00-07:00

29

26

03/10/2016

07:00-23:00

---

---

03/10/2016

23:00-07:00

33

30

04/10/2016

07:00-23:00

---

---

04/10/2016

23:00-07:00

44

35

05/10/2016

07:00-23:00

47

47

05/10/2016

23:00-07:00

43

37

06/10/2016

07:00-23:00

22

22

06/10/2016

23:00-07:00

37

34

07/10/2016

07:00-23:00

51

47

07/10/2016

23:00-07:00

34

32

08/10/2016

07:00-23:00

44

44

08/10/2016

23:00-07:00

26

26

09/10/2016

07:00-23:00

31

27

09/10/2016

23:00-07:00

35

35

10/10/2016

07:00-23:00

42

42

10/10/2016

23:00-07:00

44

42

11/10/2016

07:00-23:00

46

46

11/10/2016

23:00-07:00

---

---

12/10/2016

07:00-23:00

45

42

12/10/2016

23:00-07:00

34

33

13/10/2016

07:00-23:00

46

44

13/10/2016

23:00-07:00

---

---

14/10/2016

07:00-23:00

51

49

14/10/2016

23:00-07:00

36

33

15/10/2016

07:00-23:00

---

---

15/10/2016

23:00-07:00

48

41

16/10/2016

07:00-23:00

---

---

16/10/2016

23:00-07:00

31

26

17/10/2016

07:00-23:00

42

40

17/10/2016

23:00-07:00

39

36

18/10/2016

07:00-23:00

43

42

18/10/2016

23:00-07:00

45

41

19/10/2016

07:00-23:00

40

40

19/10/2016

23:00-07:00

36

32

20/10/2016

07:00-23:00

---

---

20/10/2016

23:00-07:00

---

---

21/10/2016

07:00-23:00

---

---

21/10/2016

23:00-07:00

---

---

22/10/2016

07:00-23:00

55

53

22/10/2016

23:00-07:00

---

---

23/10/2016

07:00-23:00

57

52

23/10/2016

23:00-07:00

27

24

24/10/2016

07:00-23:00

---

---

24/10/2016

23:00-07:00

33

33

25/10/2016

07:00-23:00

---

---

25/10/2016

23:00-07:00

38

38

26/10/2016

07:00-23:00

---

---

26/10/2016

23:00-07:00

---

---

27/10/2016

07:00-23:00

43

43

27/10/2016

23:00-07:00

42

42

28/10/2016

07:00-23:00

45

42

28/10/2016

23:00-07:00

44

39

29/10/2016

07:00-23:00

56

54

29/10/2016

23:00-07:00

23

23

30/10/2016

07:00-23:00

*

*

30/10/2016

23:00-07:00

*

*

31/10/2016

07:00-23:00

29

29

31/10/2016

23:00-07:00

34

31

 

Note:

a. “---" represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

b. “*” represents the noise data lost due to power supply works.

 

 

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

01/10/2016

07:00-23:00

42

32

38

28

01/10/2016

23:00-07:00

39

33

34

30

02/10/2016

07:00-23:00

39

28

35

35

02/10/2016

23:00-07:00

34

28

*

*

03/10/2016

07:00-19:00

---

---

*

*

03/10/2016

19:00-23:00

10

10

*

*

03/10/2016

23:00-07:00

35

29

*

*

04/10/2016

07:00-19:00

---

---

*

*

04/10/2016

19:00-23:00

29

28

*

*

04/10/2016

23:00-07:00

40

30

*

*

05/10/2016

07:00-19:00

47

47

---

---

05/10/2016

19:00-23:00

---

---

---

---

05/10/2016

23:00-07:00

44

33

40

29

06/10/2016

07:00-19:00

---

---

---

---

06/10/2016

19:00-23:00

30

28

26

24

06/10/2016

23:00-07:00

39

32

34

28

07/10/2016

07:00-19:00

51

50

47

45

07/10/2016

19:00-23:00

35

28

30

23

07/10/2016

23:00-07:00

37

32

32

27

08/10/2016

07:00-19:00

44

44

38

38

08/10/2016

19:00-23:00

---

---

---

---

08/10/2016

23:00-07:00

35

26

30

21

09/10/2016

07:00-23:00

35

26

31

23

09/10/2016

23:00-07:00

43

30

31

24

10/10/2016

07:00-23:00

51

36

36

34

10/10/2016

23:00-07:00

44

40

38

31

11/10/2016

07:00-19:00

46

46

25

25

11/10/2016

19:00-23:00

---

---

---

---

11/10/2016

23:00-07:00

35

31

31

26

12/10/2016

07:00-19:00

45

38

39

33

12/10/2016

19:00-23:00

31

31

26

26

12/10/2016

23:00-07:00

42

33

37

28

13/10/2016

07:00-19:00

46

46

41

41

13/10/2016

19:00-23:00

35

27

30

22

13/10/2016

23:00-07:00

33

25

28

20

14/10/2016

07:00-19:00

51

48

43

41

14/10/2016

19:00-23:00

36

27

31

31

14/10/2016

23:00-07:00

39

29

34

25

15/10/2016

07:00-19:00

---

---

---

---

15/10/2016

19:00-23:00

29

29

24

24

15/10/2016

23:00-07:00

35

26

30

21

16/10/2016

07:00-23:00

32

27

27

22

16/10/2016

23:00-07:00

36

28

31

23

17/10/2016

07:00-19:00

---

---

---

---

17/10/2016

19:00-23:00

44

40

39

35

17/10/2016

23:00-07:00

45

34

40

30

18/10/2016

07:00-19:00

42

42

37

37

18/10/2016

19:00-23:00

45

41

40

36

18/10/2016

23:00-07:00

44

39

39

34

19/10/2016

07:00-19:00

40

40

35

35

19/10/2016

19:00-23:00

34

34

30

30

19/10/2016

23:00-07:00

38

31

34

26

20/10/2016

07:00-19:00

---

---

---

---

20/10/2016

19:00-23:00

---

---

---

---

20/10/2016

23:00-07:00

31

31

26

26

21/10/2016

07:00-19:00

---

---

---

---

21/10/2016

19:00-23:00

33

32

29

29

21/10/2016

23:00-07:00

26

19

21

14

22/10/2016

07:00-19:00

55

52

40

39

22/10/2016

19:00-23:00

---

---

---

---

22/10/2016

23:00-07:00

34

27

29

23

23/10/2016

07:00-23:00

50

41

43

32

23/10/2016

23:00-07:00

36

28

31

24

24/10/2016

07:00-19:00

---

---

---

---

24/10/2016

19:00-23:00

---

---

---

---

24/10/2016

23:00-07:00

40

30

35

25

25/10/2016

07:00-19:00

---

---

---

---

25/10/2016

19:00-23:00

---

---

---

---

25/10/2016

23:00-07:00

33

28

28

23

26/10/2016

07:00-19:00

---

---

---

---

26/10/2016

19:00-23:00

38

30

34

25

26/10/2016

23:00-07:00

31

25

26

20

27/10/2016

07:00-19:00

43

43

38

38

27/10/2016

19:00-23:00

---

---

---

---

27/10/2016

23:00-07:00

33

24

28

19

28/10/2016

07:00-19:00

45

38

40

33

28/10/2016

19:00-23:00

---

---

---

---

28/10/2016

23:00-07:00

42

28

30

22

29/10/2016

07:00-19:00

56

53

42

39

29/10/2016

19:00-23:00

---

---

---

---

29/10/2016

23:00-07:00

34

25

29

20

30/10/2016

07:00-23:00

**

**

**

**

30/10/2016

23:00-07:00

**

**

**

**

31/10/2016

07:00-19:00

---

---

---

---

31/10/2016

19:00-23:00

31

28

27

24

31/10/2016

23:00-07:00

38

30

33

25

 

Note:

a.   ---“ represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

b.   “*” and “**” represents the noise data lost due to equipment malfunction and power supply works respectively.

c.   Continuous noise monitoring was 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) under construction noise permit.