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
01/08/2004	07:00-23:00	42	39	33	32
01/08/2004	23:00-07:00	37	32	32	27
02/08/2004	07:00-19:00	36	33	30	27
02/08/2004	19:00-23:00	41	39	30	30
02/08/2004	23:00-07:00	28	26	23	21
03/08/2004	07:00-19:00	41	39	36	34
03/08/2004	19:00-23:00	43	40	36	34
03/08/2004	23:00-07:00	27	26	23	21
04/08/2004	07:00-19:00	39	36	35	31
04/08/2004	19:00-23:00	39	38	34	32
04/08/2004	23:00-07:00	41	31	36	26
05/08/2004	07:00-19:00	40	38	35	33
05/08/2004	19:00-23:00	40	38	35	33
05/08/2004	23:00-07:00	38	33	34	28
06/08/2004	07:00-19:00	40	37	36	32
06/08/2004	19:00-23:00	39	37	34	33
06/08/2004	23:00-07:00	39	33	35	29
07/08/2004	07:00-19:00	39	37	32	30
07/08/2004	19:00-23:00	40	37	34	31
07/08/2004	23:00-07:00	36	30	31	25
08/08/2004	07:00-23:00	44	38	35	29
08/08/2004	23:00-07:00	40	32	36	28
09/08/2004	07:00-19:00	39	35	32	30
09/08/2004	19:00-23:00	40	38	36	33
09/08/2004	23:00-07:00	35	29	30	25
10/08/2004	07:00-19:00	40	37	32	30
10/08/2004	19:00-23:00	43	39	38	34
10/08/2004	23:00-07:00	37	32	32	27
11/08/2004	07:00-19:00	41	38	36	33
11/08/2004	19:00-23:00	42	39	38	34
11/08/2004	23:00-07:00	38	29	33	24
12/08/2004	07:00-19:00	38	35	33	31
12/08/2004	19:00-23:00	42	39	36	33
12/08/2004	23:00-07:00	37	33	32	28
13/08/2004	07:00-19:00	36	30	32	26
13/08/2004	19:00-23:00	43	40	37	34
13/08/2004	23:00-07:00	38	34	33	30
14/08/2004	07:00-19:00	37	33	33	28
14/08/2004	19:00-23:00	41	37	36	31
14/08/2004	23:00-07:00	38	34	33	29
15/08/2004	07:00-23:00	45	38	36	32
15/08/2004	23:00-07:00	37	32	33	27
16/08/2004	07:00-19:00	32	30	26	24
16/08/2004	19:00-23:00	38	36	34	31
16/08/2004	23:00-07:00	36	28	31	24
17/08/2004	07:00-19:00	36	33	28	26
17/08/2004	19:00-23:00	44	38	40	33
17/08/2004	23:00-07:00	33	28	28	23
18/08/2004	07:00-19:00	37	34	32	29
18/08/2004	19:00-23:00	37	35	33	31
18/08/2004	23:00-07:00	36	29	31	25
19/08/2004	07:00-19:00	36	31	31	27
19/08/2004	19:00-23:00	39	36	34	32
19/08/2004	23:00-07:00	44	34	39	30
20/08/2004	07:00-19:00	33	30	28	25
20/08/2004	19:00-23:00	40	37	35	32
20/08/2004	23:00-07:00	36	32	32	27
21/08/2004	07:00-19:00	38	33	34	28
21/08/2004	19:00-23:00	39	37	34	32
21/08/2004	23:00-07:00	40	33	35	29
22/08/2004	07:00-23:00	42	39	36	31
22/08/2004	23:00-07:00	42	36	38	31
23/08/2004	07:00-19:00	36	34	17	17
23/08/2004	19:00-23:00	39	37	34	31
23/08/2004	23:00-07:00	39	33	30	27
24/08/2004	07:00-19:00	40	37	35	32
24/08/2004	19:00-23:00	45	39	40	37
24/08/2004	23:00-07:00	38	33	(1)	(1)
25/08/2004	07:00-19:00	37	35	--	--
25/08/2004	19:00-23:00	40	37	33	32
25/08/2004	23:00-07:00	25	25	20	20
26/08/2004	07:00-19:00	51	47	39	36
26/08/2004	19:00-23:00	45	44	40	36
26/08/2004	23:00-07:00	34	27	30	23
27/08/2004	07:00-19:00	50	45	42	38
27/08/2004	19:00-23:00	46	46	41	40
27/08/2004	23:00-07:00	37	32	32	27
28/08/2004	07:00-19:00	50	47	41	37
28/08/2004	19:00-23:00	47	46	42	38
28/08/2004	23:00-07:00	40	36	35	31
29/08/2004	07:00-23:00	51	46	43	38
29/08/2004	23:00-07:00	37	34	32	29
30/08/2004	07:00-19:00	50	47	41	38
30/08/2004	19:00-23:00	45	45	40	40
30/08/2004	23:00-07:00	38	34	34	29
31/08/2004	07:00-19:00	47	45	42	40
31/08/2004	19:00-23:00	41	41	37	36
31/08/2004	23:00-07:00	39	33	34	28

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))
03/08/2004	13:30-14:00	--	14:10–14:40	52.8
06/08/2004	11:00-11:30	--	10:25–10:55	53.6
10/08/2004	14:00-14:30	--	14:35–15:05	52.0
13/08/2004	10:35-11:05	--	10:00–10:30	--
17/08/2004	14:00-14:30	46.6	14:35–15:05	52.3
20/08/2004	10:00–10:30	--	10:35-11:05	59.0
24/08/2004	14:00-14:30	54.3	14:35–15:05	50.3
27/08/2004	10:00–10:30	--	10:35-11:05	--
31/08/2004	14:00–14:30	--	14:35-15:05	49.5

Note:

1. There were no data at NSR at the school within Tai Wan San Tsuen on 24/08/2004 23:00-07:00 due to failure of Ching Lam noise alarm station.

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

** END OF REPORT **