Appendix E                Continuous Noise Monitoring Results for March 2023

 

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)

Noise Equipment:       B&K 2250 sound level meters and B&K 4231 sound

                       Level calibrator

Lab. Calibration Date: B&K 2250 sound level meters - 21/10/2021 (Ash Lagoon)

                                                      03/09/2021 (Ching Lam)

     B&K 4231 calibrator (17/10/2022)

 

Date

Time

Calculated

Noise

Level at

NSR at Long

Tsai

Tsuen/Hung

Shing Ye

(dB(A))

Limit

Noise

Level

(dB(A))

Calculated

Noise

Level at

NSR at the

school

within Tai

Wan San

Tsuen

(dB(A))

Limit

Noise

Level

(dB(A))

Max

Avg

Max

Avg

01/03/2023

07:00-19:00

---

---

75

---

---

70

01/03/2023

19:00-23:00

30

30

60

47

42

60

01/03/2023

23:00-07:00

40

37

45

30

30

45

02/03/2023

07:00-19:00

---

---

75

27

27

70

02/03/2023

19:00-23:00

---

---

60

---

---

60

02/03/2023

23:00-07:00

40

34

45

37

29

45

03/03/2023

07:00-19:00

---

---

75

---

---

70

03/03/2023

19:00-23:00

32

32

60

42

35

60

03/03/2023

23:00-07:00

37

37

45

41

34

45

04/03/2023

07:00-19:00

40

40

75

30

30

70

04/03/2023

19:00-23:00

---

---

60

42

39

60

04/03/2023

23:00-07:00

31

30

45

40

30

45

05/03/2023

07:00-23:00

47

37

60

41

35

60

05/03/2023

23:00-07:00

36

36

45

37

32

45

06/03/2023

07:00-19:00

---

---

75

32

32

70

06/03/2023

19:00-23:00

---

---

60

35

32

60

06/03/2023

23:00-07:00

44

34

45

42

36

45

07/03/2023

07:00-19:00

54

50

75

42

34

70

07/03/2023

19:00-23:00

50

41

60

41

37

60

07/03/2023

23:00-07:00

44

34

45

38

29

45

08/03/2023

07:00-19:00

51

45

75

---

---

70

08/03/2023

19:00-23:00

---

---

60

47

43

60

08/03/2023

23:00-07:00

44

37

45

36

29

45

09/03/2023

07:00-19:00

56

56

75

36

36

70

09/03/2023

19:00-23:00

---

---

60

46

42

60

09/03/2023

23:00-07:00

41

35

45

41

31

45

10/03/2023

07:00-19:00

---

---

75

---

---

70

10/03/2023

19:00-23:00

---

---

60

45

42

60

10/03/2023

23:00-07:00

45

33

45

41

33

45

11/03/2023

07:00-19:00

50

49

75

---

---

70

11/03/2023

19:00-23:00

---

---

60

27

27

60

11/03/2023

23:00-07:00

41

32

45

39

32

45

12/03/2023

07:00-23:00

60

44

60

48

40

60

12/03/2023

23:00-07:00

41

37

45

37

32

45

13/03/2023

07:00-19:00

---

---

75

---

---

70

13/03/2023

19:00-23:00

---

---

60

43

41

60

13/03/2023

23:00-07:00

41

34

45

39

30

45

14/03/2023

07:00-19:00

45

45

75

---

---

70

14/03/2023

19:00-23:00

40

40

60

---

---

60

14/03/2023

23:00-07:00

42

37

45

41

33

45

15/03/2023

07:00-19:00

50

46

75

---

---

70

15/03/2023

19:00-23:00

52

48

60

34

30

60

15/03/2023

23:00-07:00

45

40

45

37

31

45

16/03/2023

07:00-19:00

---

---

75

---

---

70

16/03/2023

19:00-23:00

---

---

60

45

43

60

16/03/2023

23:00-07:00

41

37

45

41

36

45

17/03/2023

07:00-19:00

---

---

75

38

37

70

17/03/2023

19:00-23:00

---

---

60

39

32

60

17/03/2023

23:00-07:00

43

36

45

40

31

45

18/03/2023

07:00-19:00

40

40

75

---

---

70

18/03/2023

19:00-23:00

36

36

60

49

38

60

18/03/2023

23:00-07:00

37

35

45

44

39

45

19/03/2023

07:00-23:00

48

35

60

49

33

60

19/03/2023

23:00-07:00

38

34

45

41

38

45

20/03/2023

07:00-19:00

---

---

75

---

---

70

20/03/2023

19:00-23:00

---

---

60

48

40

60

20/03/2023

23:00-07:00

39

38

45

42

37

45

21/03/2023

07:00-19:00

52

51

75

34

34

70

21/03/2023

19:00-23:00

---

---

60

31

28

60

21/03/2023

23:00-07:00

42

36

45

44

34

45

22/03/2023

07:00-19:00

---

---

75

54

54

70

22/03/2023

19:00-23:00

---

---

60

---

---

60

22/03/2023

23:00-07:00

43

37

45

40

32

45

23/03/2023

07:00-19:00

34

34

75

33

33

70

23/03/2023

19:00-23:00

---

---

60

29

27

60

23/03/2023

23:00-07:00

45

43

45

42

36

45

24/03/2023

07:00-19:00

52

52

75

31

29

70

24/03/2023

19:00-23:00

---

---

60

40

31

60

24/03/2023

23:00-07:00

44

39

45

44

40

45

25/03/2023

07:00-19:00

37

37

75

42

42

70

25/03/2023

19:00-23:00

49

34

60

44

35

60

25/03/2023

23:00-07:00

42

36

45

45

38

45

26/03/2023

07:00-23:00

51

41

60

53

44

60

26/03/2023

23:00-07:00

45

37

45

43

38

45

27/03/2023

07:00-19:00

---

---

75

---

---

70

27/03/2023

19:00-23:00

---

---

60

---

---

60

27/03/2023

23:00-07:00

---

---

45

---

---

45

28/03/2023

07:00-19:00

62

54

75

39

39

65

28/03/2023

19:00-23:00

---

---

60

48

46

60

28/03/2023

23:00-07:00

45

39

45

45

38

45

29/03/2023

07:00-19:00

46

42

75

42

42

65

29/03/2023

19:00-23:00

50

43

60

38

34

60

29/03/2023

23:00-07:00

39

36

45

39

33

45

30/03/2023

07:00-19:00

39

34

75

35

28

65

30/03/2023

19:00-23:00

---

---

60

39

37

60

30/03/2023

23:00-07:00

40

38

45

41

33

45

31/03/2023

07:00-19:00

48

42

75

40

35

65

31/03/2023

19:00-23:00

33

33

60

39

30

60

31/03/2023

23:00-07:00

45

40

45

44

37

45

 

Note:

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

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).