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
01/04/2018	07:00-23:00	36	36
01/04/2018	23:00-07:00	33	33
02/04/2018	07:00-23:00	45	43
02/04/2018	23:00-07:00	38	35
03/04/2018	07:00-23:00	57	57
03/04/2018	23:00-07:00	28	28
04/04/2018	07:00-23:00	52	52
04/04/2018	23:00-07:00	45	42
05/04/2018	07:00-23:00	48	46
05/04/2018	23:00-07:00	40	40
06/04/2018	07:00-23:00	43	41
06/04/2018	23:00-07:00	46	44
07/04/2018	07:00-23:00	45	45
07/04/2018	23:00-07:00	---	---
08/04/2018	07:00-23:00	50	45
08/04/2018	23:00-07:00	50	48
09/04/2018	07:00-23:00	---	---
09/04/2018	23:00-07:00	36	34
10/04/2018	07:00-23:00	53	49
10/04/2018	23:00-07:00	48	45
11/04/2018	07:00-23:00	---	---
11/04/2018	23:00-07:00	45	42
12/04/2018	07:00-23:00	47	47
12/04/2018	23:00-07:00	50	46
13/04/2018	07:00-23:00	55	55
13/04/2018	23:00-07:00	---	---
14/04/2018	07:00-23:00	---	---
14/04/2018	23:00-07:00	46	46
15/04/2018	07:00-23:00	47	44
15/04/2018	23:00-07:00	46	44
16/04/2018	07:00-23:00	32	32
16/04/2018	23:00-07:00	43	43
17/04/2018	07:00-23:00	55	51
17/04/2018	23:00-07:00	---	---
18/04/2018	07:00-23:00	27	27
18/04/2018	23:00-07:00	---	---
19/04/2018	07:00-23:00	---	---
19/04/2018	23:00-07:00	45	45
20/04/2018	07:00-23:00	37	37
20/04/2018	23:00-07:00	40	37
21/04/2018	07:00-23:00	---	---
21/04/2018	23:00-07:00	45	41
22/04/2018	07:00-23:00	42	42
22/04/2018	23:00-07:00	---	---
23/04/2018	07:00-23:00	---	---
23/04/2018	23:00-07:00	---	---
24/04/2018	07:00-23:00	---	---
24/04/2018	23:00-07:00	---	---
25/04/2018	07:00-23:00	---	---
25/04/2018	23:00-07:00	33	33
26/04/2018	07:00-23:00	---	---
26/04/2018	23:00-07:00	---	---
27/04/2018	07:00-23:00	34	34
27/04/2018	23:00-07:00	50	48
28/04/2018	07:00-23:00	46	46
28/04/2018	23:00-07:00	29	29
29/04/2018	07:00-23:00	53	53
29/04/2018	23:00-07:00	46	44
30/04/2018	07:00-23:00	35	35
30/04/2018	23:00-07:00	---	---

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
01/04/2018	07:00-23:00	56	40	48	38
01/04/2018	23:00-07:00	43	36	43	39
02/04/2018	07:00-23:00	57	42	55	36
02/04/2018	23:00-07:00	38	30	42	38
03/04/2018	07:00-19:00	57	57	43	37
03/04/2018	19:00-23:00	---	---	42	38
03/04/2018	23:00-07:00	39	33	43	38
04/04/2018	07:00-19:00	52	52	46	35
04/04/2018	19:00-23:00	---	---	54	41
04/04/2018	23:00-07:00	45	34	40	36
05/04/2018	07:00-23:00	52	42	47	36
05/04/2018	23:00-07:00	45	41	42	38
06/04/2018	07:00-19:00	43	43	53	43
06/04/2018	19:00-23:00	45	36	42	32
06/04/2018	23:00-07:00	45	32	43	32
07/04/2018	07:00-19:00	45	45	46	41
07/04/2018	19:00-23:00	---	---	39	34
07/04/2018	23:00-07:00	---	---	38	36
08/04/2018	07:00-23:00	54	42	47	37
08/04/2018	23:00-07:00	45	37	37	31
09/04/2018	07:00-19:00	---	---	48	44
09/04/2018	19:00-23:00	---	---	44	39
09/04/2018	23:00-07:00	44	36	42	37
10/04/2018	07:00-19:00	53	47	44	38
10/04/2018	19:00-23:00	---	---	43	39
10/04/2018	23:00-07:00	45	43	42	36
11/04/2018	07:00-19:00	---	---	41	37
11/04/2018	19:00-23:00	33	33	42	39
11/04/2018	23:00-07:00	45	38	43	35
12/04/2018	07:00-19:00	47	47	50	38
12/04/2018	19:00-23:00	---	---	46	39
12/04/2018	23:00-07:00	45	39	45	38
13/04/2018	07:00-19:00	55	55	45	41
13/04/2018	19:00-23:00	---	---	48	40
13/04/2018	23:00-07:00	33	33	45	41
14/04/2018	07:00-19:00	---	---	48	38
14/04/2018	19:00-23:00	---	---	50	39
14/04/2018	23:00-07:00	44	40	44	37
15/04/2018	07:00-23:00	47	43	60	39
15/04/2018	23:00-07:00	45	40	43	38
16/04/2018	07:00-19:00	32	32	50	38
16/04/2018	19:00-23:00	---	---	43	41
16/04/2018	23:00-07:00	44	41	44	41
17/04/2018	07:00-19:00	55	50	45	39
17/04/2018	19:00-23:00	36	31	49	41
17/04/2018	23:00-07:00	44	34	45	40
18/04/2018	07:00-19:00	---	---	48	44
18/04/2018	19:00-23:00	27	27	46	39
18/04/2018	23:00-07:00	45	36	44	38
19/04/2018	07:00-19:00	---	---	54	38
19/04/2018	19:00-23:00	---	---	40	38
19/04/2018	23:00-07:00	45	35	42	37
20/04/2018	07:00-19:00	37	37	41	36
20/04/2018	19:00-23:00	---	---	51	39
20/04/2018	23:00-07:00	43	37	43	37
21/04/2018	07:00-19:00	---	---	43	40
21/04/2018	19:00-23:00	---	---	44	41
21/04/2018	23:00-07:00	45	38	45	40
22/04/2018	07:00-23:00	45	41	48	39
22/04/2018	23:00-07:00	45	41	44	41
23/04/2018	07:00-19:00	---	---	43	39
23/04/2018	19:00-23:00	---	---	43	39
23/04/2018	23:00-07:00	43	37	44	38
24/04/2018	07:00-19:00	---	---	42	38
24/04/2018	19:00-23:00	---	---	45	39
24/04/2018	23:00-07:00	30	28	43	38
25/04/2018	07:00-19:00	---	---	43	41
25/04/2018	19:00-23:00	---	---	42	39
25/04/2018	23:00-07:00	44	40	41	38
26/04/2018	07:00-19:00	---	---	47	41
26/04/2018	19:00-23:00	---	---	45	39
26/04/2018	23:00-07:00	44	35	42	38
27/04/2018	07:00-19:00	---	---	50	41
27/04/2018	19:00-23:00	34	34	43	38
27/04/2018	23:00-07:00	45	42	43	39
28/04/2018	07:00-19:00	46	46	45	40
28/04/2018	19:00-23:00	---	---	44	41
28/04/2018	23:00-07:00	36	33	42	39
29/04/2018	07:00-23:00	59	41	43	34
29/04/2018	23:00-07:00	45	41	40	34
30/04/2018	07:00-19:00	---	---	38	34
30/04/2018	19:00-23:00	38	34	40	36
30/04/2018	23:00-07:00	34	34	40	32

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) with construction noise permit.