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
1/9/2023	07:00-23:00	---	---
1/9/2023	23:00-07:00	---	---
2/9/2023	07:00-23:00	---	---
2/9/2023	23:00-07:00	---	---
3/9/2023	07:00-23:00	---	---
3/9/2023	23:00-07:00	---	---
4/9/2023	07:00-23:00	---	---
4/9/2023	23:00-07:00	36	36
5/9/2023	07:00-23:00	---	---
5/9/2023	23:00-07:00	---	---
6/9/2023	07:00-23:00	51	49
6/9/2023	23:00-07:00	---	---
7/9/2023	07:00-23:00	45	44
7/9/2023	23:00-07:00	52	47
8/9/2023	07:00-23:00	---	---
8/9/2023	23:00-07:00	45	42
9/9/2023	07:00-23:00	48	45
9/9/2023	23:00-07:00	38	37
10/9/2023	07:00-23:00	28	25
10/9/2023	23:00-07:00	52	50
11/9/2023	07:00-23:00	---	---
11/9/2023	23:00-07:00	49	47
12/9/2023	07:00-23:00	48	45
12/9/2023	23:00-07:00	39	37
13/9/2023	07:00-23:00	---	---
13/9/2023	23:00-07:00	43	41
14/9/2023	07:00-23:00	23	23
14/9/2023	23:00-07:00	48	47
15/9/2023	07:00-23:00	---	---
15/9/2023	23:00-07:00	48	46
16/9/2023	07:00-23:00	53	53
16/9/2023	23:00-07:00	---	---
17/9/2023	07:00-23:00	41	40
17/9/2023	23:00-07:00	---	---
18/9/2023	07:00-23:00	28	28
18/9/2023	23:00-07:00	53	50
19/9/2023	07:00-23:00	---	---
19/9/2023	23:00-07:00	44	44
20/9/2023	07:00-23:00	42	42
20/9/2023	23:00-07:00	31	31
21/9/2023	07:00-23:00	40	40
21/9/2023	23:00-07:00	39	36
22/9/2023	07:00-23:00	54	54
22/9/2023	23:00-07:00	---	---
23/9/2023	07:00-23:00	---	---
23/9/2023	23:00-07:00	32	32
24/9/2023	07:00-23:00	64	58
24/9/2023	23:00-07:00	---	---
25/9/2023	07:00-23:00	43	38
25/9/2023	23:00-07:00	---	---
26/9/2023	07:00-23:00	---	---
26/9/2023	23:00-07:00	43	43
27/9/2023	07:00-23:00	57	54
27/9/2023	23:00-07:00	46	43
28/9/2023	07:00-23:00	---	---
28/9/2023	23:00-07:00	33	33
29/9/2023	07:00-23:00	---	---
29/9/2023	23:00-07:00	34	34
30/9/2023	07:00-23:00	39	39
30/9/2023	23:00-07:00	45	41

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

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
01/09/2023	07:00-19:00	---	---	39	33
01/09/2023	19:00-23:00	---	---	57	57
01/09/2023	23:00-07:00	---	---	---	---
02/09/2023	07:00-19:00	---	---	44	42
02/09/2023	19:00-23:00	38	35	47	34
02/09/2023	23:00-07:00	45	36	45	39
03/09/2023	07:00-23:00	37	35	45	37
03/09/2023	23:00-07:00	36	35	42	36
04/09/2023	07:00-19:00	---	---	41	37
04/09/2023	19:00-23:00	---	---	45	37
04/09/2023	23:00-07:00	43	39	45	40
05/09/2023	07:00-19:00	---	---	49	43
05/09/2023	19:00-23:00	---	---	48	40
05/09/2023	23:00-07:00	38	38	45	42
06/09/2023	07:00-19:00	51	45	50	42
06/09/2023	19:00-23:00	---	---	47	42
06/09/2023	23:00-07:00	---	---	45	38
07/09/2023	07:00-19:00	---	---	46	41
07/09/2023	19:00-23:00	54	44	49	41
07/09/2023	23:00-07:00	45	39	45	38
08/09/2023	07:00-19:00	---	---	47	40
08/09/2023	19:00-23:00	46	46	46	42
08/09/2023	23:00-07:00	45	33	45	41
09/09/2023	07:00-19:00	48	45	46	42
09/09/2023	19:00-23:00	49	44	44	40
09/09/2023	23:00-07:00	43	36	45	39
10/09/2023	07:00-23:00	43	32	44	36
10/09/2023	23:00-07:00	44	44	44	35
11/09/2023	07:00-19:00	---	---	52	42
11/09/2023	19:00-23:00	44	40	51	39
11/09/2023	23:00-07:00	45	41	44	41
12/09/2023	07:00-19:00	---	---	53	45
12/09/2023	19:00-23:00	53	43	42	39
12/09/2023	23:00-07:00	40	36	45	39
13/09/2023	07:00-19:00	---	---	51	44
13/09/2023	19:00-23:00	27	23	46	40
13/09/2023	23:00-07:00	45	39	45	38
14/09/2023	07:00-19:00	---	---	43	37
14/09/2023	19:00-23:00	23	23	44	38
14/09/2023	23:00-07:00	36	28	43	39
15/09/2023	07:00-19:00	---	---	46	39
15/09/2023	19:00-23:00	31	23	42	37
15/09/2023	23:00-07:00	45	35	44	33
16/09/2023	07:00-19:00	53	53	47	41
16/09/2023	19:00-23:00	43	34	47	38
16/09/2023	23:00-07:00	37	36	45	35
17/09/2023	07:00-23:00	41	38	46	41
17/09/2023	23:00-07:00	30	30	45	43
18/09/2023	07:00-19:00	---	---	49	44
18/09/2023	19:00-23:00	28	27	50	42
18/09/2023	23:00-07:00	43	37	45	39
19/09/2023	07:00-19:00	---	---	48	40
19/09/2023	19:00-23:00	36	36	46	37
19/09/2023	23:00-07:00	44	34	45	38
20/09/2023	07:00-19:00	42	42	47	41
20/09/2023	19:00-23:00	40	40	44	36
20/09/2023	23:00-07:00	42	33	40	33
21/09/2023	07:00-19:00	40	40	46	40
21/09/2023	19:00-23:00	---	---	44	37
21/09/2023	23:00-07:00	44	36	45	33
22/09/2023	07:00-19:00	54	54	44	40
22/09/2023	19:00-23:00	37	37	43	36
22/09/2023	23:00-07:00	42	36	44	40
23/09/2023	07:00-19:00	---	---	44	38
23/09/2023	19:00-23:00	---	---	44	41
23/09/2023	23:00-07:00	32	29	44	37
24/09/2023	07:00-23:00	43	32	43	33
24/09/2023	23:00-07:00	42	34	41	33
25/09/2023	07:00-19:00	43	36	49	36
25/09/2023	19:00-23:00	---	---	46	37
25/09/2023	23:00-07:00	---	---	41	33
26/09/2023	07:00-19:00	---	---	42	36
26/09/2023	19:00-23:00	40	40	48	42
26/09/2023	23:00-07:00	44	36	41	35
27/09/2023	07:00-19:00	57	47	42	38
27/09/2023	19:00-23:00	37	37	45	39
27/09/2023	23:00-07:00	27	26	41	36
28/09/2023	07:00-19:00	---	---	45	41
28/09/2023	19:00-23:00	36	36	50	43
28/09/2023	23:00-07:00	43	36	45	40
29/09/2023	07:00-19:00	---	---	46	42
29/09/2023	19:00-23:00	35	33	50	37
29/09/2023	23:00-07:00	34	28	42	36
30/09/2023	07:00-23:00	40	37	46	34
30/09/2023	23:00-07:00	45	36	45	38

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).