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
01/10/2004	07:00-23:00	44	37	36	30
01/10/2004	23:00-07:00	39	32	34	28
02/10/2004	07:00-19:00	53	46	43	39
02/10/2004	19:00-23:00	43	42	38	34
02/10/2004	23:00-07:00	37	33	32	28
03/10/2004	07:00-23:00	49	44	40	34
03/10/2004	23:00-07:00	40	34	35	29
04/10/2004	07:00-19:00	46	44	37	35
04/10/2004	19:00-23:00	30	28	25	23
04/10/2004	23:00-07:00	43	36	35	31
05/10/2004	07:00-19:00	43	41	38	36
05/10/2004	19:00-23:00	37	30	32	26
05/10/2004	23:00-07:00	38	32	33	27
06/10/2004	07:00-19:00	44	42	36	34
06/10/2004	19:00-23:00	45	43	39	37
06/10/2004	23:00-07:00	39	33	34	29
07/10/2004	07:00-19:00	44	41	36	33
07/10/2004	19:00-23:00	42	42	38	37
07/10/2004	23:00-07:00	41	33	36	28
08/10/2004	07:00-19:00	44	42	39	36
08/10/2004	19:00-23:00	42	41	37	37
08/10/2004	23:00-07:00	38	30	34	25
09/10/2004	07:00-19:00	45	40	39	35
09/10/2004	19:00-23:00	42	42	38	37
09/10/2004	23:00-07:00	43	32	37	27
10/10/2004	07:00-23:00	46	41	39	36
10/10/2004	23:00-07:00	34	30	30	25
11/10/2004	07:00-19:00	42	41	38	36
11/10/2004	19:00-23:00	41	40	36	35
11/10/2004	23:00-07:00	36	30	31	26
12/10/2004	07:00-19:00	46	41	38	36
12/10/2004	19:00-23:00	37	33	32	28
12/10/2004	23:00-07:00	37	31	32	27
13/10/2004	07:00-19:00	42	41	38	37
13/10/2004	19:00-23:00	44	42	40	37
13/10/2004	23:00-07:00	32	26	28	22
14/10/2004	07:00-19:00	43	41	38	36
14/10/2004	19:00-23:00	44	42	40	37
14/10/2004	23:00-07:00	36	28	32	24
15/10/2004	07:00-19:00	42	41	36	35
15/10/2004	19:00-23:00	42	40	37	36
15/10/2004	23:00-07:00	36	29	31	24
16/10/2004	07:00-19:00	43	41	37	36
16/10/2004	19:00-23:00	44	40	39	35
16/10/2004	23:00-07:00	34	28	29	23
17/10/2004	07:00-23:00	50	40	40	33
17/10/2004	23:00-07:00	43	35	36	31
18/10/2004	07:00-19:00	50	45	41	37
18/10/2004	19:00-23:00	48	48	40	38
18/10/2004	23:00-07:00	39	33	34	28
19/10/2004	07:00-19:00	51	47	41	38
19/10/2004	19:00-23:00	48	47	41	38
19/10/2004	23:00-07:00	41	30	36	25
20/10/2004	07:00-19:00	52	48	42	39
20/10/2004	19:00-23:00	45	44	41	39
20/10/2004	23:00-07:00	33	31	28	26
21/10/2004	07:00-19:00	51	48	43	41
21/10/2004	19:00-23:00	48	48	42	40
21/10/2004	23:00-07:00	23	20	19	16
22/10/2004	07:00-23:00	33	30	28	25
22/10/2004	23:00-07:00	37	31	32	26
23/10/2004	07:00-19:00	40	38	35	33
23/10/2004	19:00-23:00	40	39	35	34
23/10/2004	23:00-07:00	33	28	28	23
24/10/2004	07:00-23:00	44	41	37	34
24/10/2004	23:00-07:00	38	33	33	28
25/10/2004	07:00-19:00	42	40	37	34
25/10/2004	19:00-23:00	43	38	38	34
25/10/2004	23:00-07:00	34	29	30	25
26/10/2004	07:00-19:00	42	39	37	34
26/10/2004	19:00-23:00	42	41	37	36
26/10/2004	23:00-07:00	44	35	39	30
27/10/2004	07:00-19:00	39	36	34	31
27/10/2004	19:00-23:00	42	40	37	35
27/10/2004	23:00-07:00	34	28	30	24
28/10/2004	07:00-19:00	39	37	35	32
28/10/2004	19:00-23:00	42	42	37	37
28/10/2004	23:00-07:00	35	28	30	24
29/10/2004	07:00-19:00	40	35	35	30
29/10/2004	19:00-23:00	41	38	37	33
29/10/2004	23:00-07:00	36	31	30	26
30/10/2004	07:00-19:00	39	37	35	33
30/10/2004	19:00-23:00	44	41	39	36
30/10/2004	23:00-07:00	34	33	29	28
31/10/2004	07:00-23:00	44	39	39	34
31/10/2004	23:00-07:00	41	31	36	26

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))
02/10/2004	10:00-10:30	54.3	10:40–11:10	57.5
05/10/2004	14:00-14:30	--	14:40–15:10	--
08/10/2004	10:00-10:30	--	10:40–11:10	51.7
12/10/2004	14:00-14:30	--	14:40–15:10	--
15/10/2004	10:00-10:30	62.7	10:40–11:10	--
19/10/2004	14:00-14:30	--	14:40–15:10	44.7
23/10/2004	10:00-10:30	--	10:40–11:10	58.0
26/10/2004	14:00-14:30	--	14:40–15:10	--
29/10/2004	10:00-10:30	--	10:40–11:10	61.2

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

** END OF REPORT **