NOISE

a. CONTINUOUS NOISE MONITORING DATA

Site:	Lamma Power Station Extension – Superstructure
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)

NSR-1:	Long Tsai Tsuen/Hung Shing Ye
NSR-2:	School within Tai Wan San Tsuen

Date	Time	Calculated Noise Level at NSR-1 (dB(A))		Calculated Noise Level at NSR-2 (dB(A))
		Max	Avg	Max	Avg
01/05/2004	07:00-23:00	44	38	39	35
01/05/2004	23:00-07:00	34	29	29	25
02/05/2004	07:00-23:00	46	43	41	37
02/05/2004	23:00-07:00	43	38	38	33
03/05/2004	07:00-19:00	48	44	40	37
03/05/2004	19:00-23:00	44	44	40	39
03/05/2004	23:00-07:00	31	28	26	23
04/05/2004	07:00-19:00	46	43	40	37
04/05/2004	19:00-23:00	44	43	40	38
04/05/2004	23:00-07:00	37	31	32	26
05/05/2004	07:00-19:00	47	44	42	38
05/05/2004	19:00-23:00	44	44	40	39
05/05/2004	23:00-07:00	38	33	34	28
06/05/2004	07:00-19:00	47	44	40	37
06/05/2004	19:00-23:00	44	44	39	38
06/05/2004	23:00-07:00	32	29	27	25
07/05/2004	07:00-19:00	45	42	39	36
07/05/2004	19:00-23:00	45	44	41	39
07/05/2004	23:00-07:00	43	35	38	30
08/05/2004	07:00-19:00	44	41	39	36
08/05/2004	19:00-23:00	44	43	39	37
08/05/2004	23:00-07:00	37	32	33	27
09/05/2004	07:00-23:00	46	41	40	34
09/05/2004	23:00-07:00	32	28	27	23
10/05/2004	07:00-19:00	48	45	42	39
10/05/2004	19:00-23:00	46	45	41	41
10/05/2004	23:00-07:00	--	--	--	--
11/05/2004	07:00-19:00	51	48	43	40
11/05/2004	19:00-23:00	44	43	40	39
11/05/2004	23:00-07:00	39	36	35	31
12/05/2004	07:00-19:00	47	43	42	39
12/05/2004	19:00-23:00	45	44	40	40
12/05/2004	23:00-07:00	24	24	19	19
13/05/2004	07:00-19:00	48	44	42	39
13/05/2004	19:00-23:00	46	45	41	40
13/05/2004	23:00-07:00	--	--	--	--
14/05/2004	07:00-19:00	50	48	45	42
14/05/2004	19:00-23:00	--	--	--	--
14/05/2004	23:00-07:00	31	27	26	22
15/05/2004	07:00-19:00	48	45	38	35
15/05/2004	19:00-23:00	43	42	39	37
15/05/2004	23:00-07:00	39	35	34	30
16/05/2004	07:00-23:00	53	44	41	38
16/05/2004	23:00-07:00	43	36	38	31
17/05/2004	07:00-19:00	48	44	43	38
17/05/2004	19:00-23:00	47	46	42	41
17/05/2004	23:00-07:00	34	31	29	26
18/05/2004	07:00-19:00	47	44	40	38
18/05/2004	19:00-23:00	45	45	41	40
18/05/2004	23:00-07:00	37	33	32	28
19/05/2004	07:00-19:00	47	44	42	39
19/05/2004	19:00-23:00	45	45	41	40
19/05/2004	23:00-07:00	34	31	30	26
20/05/2004	07:00-19:00	44	41	39	36
20/05/2004	19:00-23:00	44	43	39	39
20/05/2004	23:00-07:00	42	36	38	32
21/05/2004	07:00-19:00	47	44	41	39
21/05/2004	19:00-23:00	46	45	41	39
21/05/2004	23:00-07:00	39	36	35	32
22/05/2004	07:00-19:00	47	45	43	40
22/05/2004	19:00-23:00	46	45	41	38
22/05/2004	23:00-07:00	32	28	28	24
23/05/2004	07:00-23:00	46	45	41	38
23/05/2004	23:00-07:00	34	30	29	25
24/05/2004	07:00-19:00	49	46	44	39
24/05/2004	19:00-23:00	46	46	41	41
24/05/2004	23:00-07:00	19	19	15	15
25/05/2004	07:00-19:00	49	44	44	39
25/05/2004	19:00-23:00	43	42	39	36
25/05/2004	23:00-07:00	33	31	29	26
26/05/2004	07:00-23:00	49	43	44	37
26/05/2004	23:00-07:00	42	36	37	29
27/05/2004	07:00-19:00	44	41	37	36
27/05/2004	19:00-23:00	44	43	39	35
27/05/2004	23:00-07:00	34	34	30	29
28/05/2004	07:00-19:00	45	42	41	38
28/05/2004	19:00-23:00	44	43	38	32
28/05/2004	23:00-07:00	44	34	40	30
29/05/2004	07:00-19:00	44	42	39	36
29/05/2004	19:00-23:00	43	43	38	35
29/05/2004	23:00-07:00	40	32	29	24
30/05/2004	07:00-23:00	45	43	40	37
30/05/2004	23:00-07:00	31	27	27	23
31/05/2004	07:00-19:00	48	45	43	39
31/05/2004	19:00-23:00	42	41	37	35
31/05/2004	23:00-07:00	42	37	33	30

b. MANUAL NOISE MONITORING DATA

Site:	Lamma Power Station Extension – Transmission System
Measurement Location:	Pak Kok Tsui
Measurement Parameter:	30-min Leq (07:00-19:00 hrs on normal weekdays)

N4:	Pak Kok Tsui No.2
N5:	Pak Kok Tsui No.8

Date	Time	Corrected Noise Level at N4 (dB(A))	Time	Corrected Noise Level at N5 (dB(A))
17/05/2004	14:51–15:21	52.6	15:26–15:56	38.6
20/05/2004	11:00–11:30	57.5	11:37–12:07	62.5
24/05/2004	14:25–14:55	57.3	14:58–15:28	51.7
27/05/2004	11:00–11:30	--	11:34–12:04	--
31/05/2004	14:24–14:54	--	14:57–15:27	61.5

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

** END OF REPORT **