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
01/09/2004	07:00-19:00	47	44	43	40
01/09/2004	19:00-23:00	34	27	29	22
01/09/2004	23:00-07:00	36	33	31	29
02/09/2004	07:00-19:00	46	44	41	38
02/09/2004	19:00-23:00	44	44	40	39
02/09/2004	23:00-07:00	43	35	38	31
03/09/2004	07:00-19:00	45	44	39	37
03/09/2004	19:00-23:00	46	44	40	39
03/09/2004	23:00-07:00	42	35	38	30
04/09/2004	07:00-19:00	24	24	20	20
04/09/2004	19:00-23:00	39	39	35	34
04/09/2004	23:00-07:00	42	34	38	29
05/09/2004	07:00-23:00	46	44	39	37
05/09/2004	23:00-07:00	39	34	34	29
06/09/2004	07:00-19:00	45	43	39	37
06/09/2004	19:00-23:00	42	42	38	37
06/09/2004	23:00-07:00	36	31	31	26
07/09/2004	07:00-19:00	44	41	39	35
07/09/2004	19:00-23:00	44	42	40	37
07/09/2004	23:00-07:00	33	29	29	25
08/09/2004	07:00-19:00	46	43	41	37
08/09/2004	19:00-23:00	43	41	38	36
08/09/2004	23:00-07:00	45	34	40	30
09/09/2004	07:00-19:00	46	44	39	35
09/09/2004	19:00-23:00	43	42	39	36
09/09/2004	23:00-07:00	40	31	35	27
10/09/2004	07:00-19:00	43	41	36	31
10/09/2004	19:00-23:00	27	25	--	--
10/09/2004	23:00-07:00	39	32	34	27
11/09/2004	07:00-19:00	45	44	36	29
11/09/2004	19:00-23:00	45	41	36	30
11/09/2004	23:00-07:00	39	31	34	26
12/09/2004	07:00-23:00	46	40	40	30
12/09/2004	23:00-07:00	40	32	36	27
13/09/2004	07:00-19:00	42	41	37	35
13/09/2004	19:00-23:00	31	29	27	25
13/09/2004	23:00-07:00	44	37	39	31
14/09/2004	07:00-19:00	46	43	39	36
14/09/2004	19:00-23:00	41	41	36	36
14/09/2004	23:00-07:00	38	33	34	28
15/09/2004	07:00-19:00	46	42	38	35
15/09/2004	19:00-23:00	42	41	37	36
15/09/2004	23:00-07:00	36	32	32	27
16/09/2004	07:00-19:00	41	39	35	33
16/09/2004	19:00-23:00	34	27	29	22
16/09/2004	23:00-07:00	39	34	34	30
17/09/2004	07:00-19:00	45	42	37	33
17/09/2004	19:00-23:00	39	30	27	22
17/09/2004	23:00-07:00	--	--	39	32
18/09/2004	07:00-19:00	--	--	41	35
18/09/2004	19:00-23:00	42	35	35	29
18/09/2004	23:00-07:00	37	33	33	28
19/09/2004	07:00-23:00	47	43	42	36
19/09/2004	23:00-07:00	45	39	37	32
20/09/2004	07:00-19:00	46	44	38	35
20/09/2004	19:00-23:00	43	40	28	25
20/09/2004	23:00-07:00	42	36	36	30
21/09/2004	07:00-19:00	43	40	37	33
21/09/2004	19:00-23:00	44	39	39	35
21/09/2004	23:00-07:00	37	32	33	28
22/09/2004	07:00-19:00	47	43	40	36
22/09/2004	19:00-23:00	37	35	32	31
22/09/2004	23:00-07:00	39	32	34	27
23/09/2004	07:00-19:00	48	46	40	37
23/09/2004	19:00-23:00	46	46	39	36
23/09/2004	23:00-07:00	38	33	33	29
24/09/2004	07:00-19:00	50	46	40	37
24/09/2004	19:00-23:00	44	42	39	36
24/09/2004	23:00-07:00	35	32	31	28
25/09/2004	07:00-19:00	48	45	37	35
25/09/2004	19:00-23:00	48	45	39	36
25/09/2004	23:00-07:00	39	33	34	30
26/09/2004	07:00-23:00	48	44	35	33
26/09/2004	23:00-07:00	37	32	32	27
27/09/2004	07:00-19:00	46	43	39	34
27/09/2004	19:00-23:00	34	33	29	27
27/09/2004	23:00-07:00	36	31	31	26
28/09/2004	07:00-19:00	47	43	33	29
28/09/2004	19:00-23:00	38	38	33	33
28/09/2004	23:00-07:00	44	36	34	29
29/09/2004	07:00-23:00	38	35	32	30
29/09/2004	23:00-07:00	35	32	31	28
30/09/2004	07:00-19:00	45	43	38	35
30/09/2004	19:00-23:00	40	35	35	30
30/09/2004	23:00-07:00	38	34	33	29

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))
03/09/2004	10:00-10:30	--	10:35–11:05	60.2
07/09/2004	14:00-14:30	--	14:40–15:10	48.5
10/09/2004	10:00-10:30	50.3	10:40–11:10	48.0
14/09/2004	14:00-14:30	59.0	14:40–15:10	58.0
17/09/2004	10:00-10:30	47.3	10:40–11:10	--
21/09/2004	14:00-14:30	--	14:40–15:10	56.2
24/09/2004	10:00-10:30	--	10:40–11:10	63.7
28/09/2004	14:00-14:30	--	14:40–15:10	--

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

** END OF REPORT **