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))
Date	Time	Max	Avg
01/12/2022	07:00-23:00	28	28
01/12/2022	23:00-07:00	43	38
02/12/2022	07:00-23:00	29	28
02/12/2022	23:00-07:00	21	21
03/12/2022	07:00-23:00	34	32
03/12/2022	23:00-07:00	---	---
04/12/2022	07:00-23:00	43	43
04/12/2022	23:00-07:00	38	38
05/12/2022	07:00-23:00	18	18
05/12/2022	23:00-07:00	---	---
06/12/2022	07:00-23:00	40	37
06/12/2022	23:00-07:00	45	39
07/12/2022	07:00-23:00	43	39
07/12/2022	23:00-07:00	43	42
08/12/2022	07:00-23:00	50	47
08/12/2022	23:00-07:00	42	39
09/12/2022	07:00-23:00	---	---
09/12/2022	23:00-07:00	---	---
10/12/2022	07:00-23:00	45	42
10/12/2022	23:00-07:00	34	32
11/12/2022	07:00-23:00	34	34
11/12/2022	23:00-07:00	45	43
12/12/2022	07:00-23:00	31	31
12/12/2022	23:00-07:00	---	---
13/12/2022	07:00-23:00	52	50
13/12/2022	23:00-07:00	33	31
14/12/2022	07:00-23:00	44	41
14/12/2022	23:00-07:00	29	29
15/12/2022	07:00-23:00	36	36
15/12/2022	23:00-07:00	29	29
16/12/2022	07:00-23:00	45	40
16/12/2022	23:00-07:00	45	40
17/12/2022	07:00-23:00	54	51
17/12/2022	23:00-07:00	47	43
18/12/2022	07:00-23:00	---	---
18/12/2022	23:00-07:00	50	49
19/12/2022	07:00-23:00	---	---
19/12/2022	23:00-07:00	40	38
20/12/2022	07:00-23:00	47	47
20/12/2022	23:00-07:00	37	35
21/12/2022	07:00-23:00	---	---
21/12/2022	23:00-07:00	---	---
22/12/2022	07:00-23:00	39	39
22/12/2022	23:00-07:00	---	---
23/12/2022	07:00-23:00	---	---
23/12/2022	23:00-07:00	48	46
24/12/2022	07:00-23:00	---	---
24/12/2022	23:00-07:00	---	---
25/12/2022	07:00-23:00	---	---
25/12/2022	23:00-07:00	---	---
26/12/2022	07:00-23:00	---	---
26/12/2022	23:00-07:00	---	---
27/12/2022	07:00-23:00	50	45
27/12/2022	23:00-07:00	44	43
28/12/2022	07:00-23:00	---	---
28/12/2022	23:00-07:00	---	---
29/12/2022	07:00-23:00	19	19
29/12/2022	23:00-07:00	---	---
30/12/2022	07:00-23:00	38	38
30/12/2022	23:00-07:00	26	26
31/12/2022	07:00-23:00	52	52
31/12/2022	23:00-07:00	36	36

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))
Date	Time	Max	Avg	Max	Avg
01/12/2022	07:00-19:00	---	---	36	33
01/12/2022	19:00-23:00	28	28	50	33
01/12/2022	23:00-07:00	45	31	43	29
02/12/2022	07:00-19:00	27	27	55	47
02/12/2022	19:00-23:00	36	33	---	---
02/12/2022	23:00-07:00	30	26	26	21
03/12/2022	07:00-19:00	34	34	---	---
03/12/2022	19:00-23:00	41	33	---	---
03/12/2022	23:00-07:00	33	29	---	---
04/12/2022	07:00-23:00	43	36	---	---
04/12/2022	23:00-07:00	41	38	---	---
05/12/2022	07:00-19:00	---	---	---	---
05/12/2022	19:00-23:00	55	38	49	38
05/12/2022	23:00-07:00	---	---	36	30
06/12/2022	07:00-19:00	---	---	60	54
06/12/2022	19:00-23:00	40	33	43	39
06/12/2022	23:00-07:00	45	36	39	30
07/12/2022	07:00-19:00	43	36	48	40
07/12/2022	19:00-23:00	38	33	33	28
07/12/2022	23:00-07:00	45	42	38	33
08/12/2022	07:00-19:00	50	50	46	46
08/12/2022	19:00-23:00	31	31	---	---
08/12/2022	23:00-07:00	45	39	39	30
09/12/2022	07:00-19:00	---	---	60	55
09/12/2022	19:00-23:00	---	---	29	29
09/12/2022	23:00-07:00	36	29	35	32
10/12/2022	07:00-19:00	45	45	61	59
10/12/2022	19:00-23:00	30	30	---	---
10/12/2022	23:00-07:00	39	30	40	35
11/12/2022	07:00-23:00	49	34	45	34
11/12/2022	23:00-07:00	45	42	43	35
12/12/2022	07:00-19:00	---	---	66	53
12/12/2022	19:00-23:00	39	31	27	24
12/12/2022	23:00-07:00	28	26	38	31
13/12/2022	07:00-19:00	52	47	---	---
13/12/2022	19:00-23:00	37	31	34	34
13/12/2022	23:00-07:00	45	30	34	26
14/12/2022	07:00-19:00	44	42	41	41
14/12/2022	19:00-23:00	34	28	30	30
14/12/2022	23:00-07:00	36	30	36	28
15/12/2022	07:00-19:00	36	36	50	50
15/12/2022	19:00-23:00	---	---	49	35
15/12/2022	23:00-07:00	34	26	32	25
16/12/2022	07:00-19:00	45	36	47	47
16/12/2022	19:00-23:00	36	30	37	34
16/12/2022	23:00-07:00	45	35	41	32
17/12/2022	07:00-19:00	54	53	43	38
17/12/2022	19:00-23:00	43	37	27	27
17/12/2022	23:00-07:00	44	39	39	36
18/12/2022	07:00-23:00	43	33	---	---
18/12/2022	23:00-07:00	45	44	---	---
19/12/2022	07:00-19:00	---	---	---	---
19/12/2022	19:00-23:00	---	---	---	---
19/12/2022	23:00-07:00	45	36	28	26
20/12/2022	07:00-19:00	47	47	---	---
20/12/2022	19:00-23:00	---	---	29	29
20/12/2022	23:00-07:00	45	36	32	28
21/12/2022	07:00-19:00	---	---	44	40
21/12/2022	19:00-23:00	---	---	---	---
21/12/2022	23:00-07:00	---	---	---	---
22/12/2022	07:00-19:00	39	39	---	---
22/12/2022	19:00-23:00	---	---	---	---
22/12/2022	23:00-07:00	---	---	40	29
23/12/2022	07:00-19:00	---	---	---	---
23/12/2022	19:00-23:00	---	---	---	---
23/12/2022	23:00-07:00	45	41	45	27
24/12/2022	07:00-19:00	---	---	57	46
24/12/2022	19:00-23:00	---	---	31	31
24/12/2022	23:00-07:00	---	---	37	33
25/12/2022	07:00-23:00	26	26	47	41
25/12/2022	23:00-07:00	---	---	---	---
26/12/2022	07:00-23:00	37	28	42	31
26/12/2022	23:00-07:00	---	---	37	30
27/12/2022	07:00-23:00	50	35	36	29
27/12/2022	23:00-07:00	45	43	38	32
28/12/2022	07:00-19:00	---	---	39	34
28/12/2022	19:00-23:00	35	32	34	31
28/12/2022	23:00-07:00	34	26	37	30
29/12/2022	07:00-19:00	---	---	34	32
29/12/2022	19:00-23:00	37	31	38	30
29/12/2022	23:00-07:00	36	32	39	30
30/12/2022	07:00-19:00	38	38	40	36
30/12/2022	19:00-23:00	---	---	35	29
30/12/2022	23:00-07:00	38	34	34	29
31/12/2022	07:00-19:00	52	52	---	---
31/12/2022	19:00-23:00	---	---	45	43
31/12/2022	23:00-07:00	36	35	31	30

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).