ML061640251

Tech Spec Page for Emergency Amendment 111 Allowed Outage Time Extension from 7 Days to 14 Days for Enclosure Air Handling Fan

ML061640251
Person / Time
Site:	Seabrook
Issue date:	06/09/2006
From:	Plant Licensing Branch III-2
To:
Miller G, NRR/DLPM, 415-2481
Shared Package
ML061640096	List: ML061600022 ML061640251
References
TAC MD2190
Download: ML061640251 (1)

Text

CONTAINMENT SYSTEMS 3/4.6.5 CONTAINMENT ENCLOSURE BUILDING CONTAINMENT ENCLOSURE EMERGENCY AIR CLEANUP SYSTEM LIMITING CONDITION FOR OPERATION 3.6.5.1 Two independent Containment Enclosure Emergency Air Cleanup Systems shall be OPERABLE.

APPLICABILITY: MODES 1,2, 3, and 4.

ACTION:

With one Containment Enclosure Emergency Air Cleapup System inoperable, restore the inoperable system to OPERABLE status within 7 days or be Inat least HOT STANDBY within the next 6 hours0.25 days <br />0.0357 weeks <br />0.00822 months <br /> and In COLD SHUTDOWN within the following 30 hours1.25 days <br />0.179 weeks <br />0.0411 months <br />.

SURVEILLANCE REQUIREMENTS 4.6.5.1 Each Containment Enclosure Emergency Air Cleanup System shall be demonstrated OPERABLE:

a. At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filters and charcoal adsorbers and verifying that the system operates for at least 15 minutes;

b. At least once per 15 months or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2)following painting, fire, or chemical release in any ventilation zone communicating with the system by:

1) Verifying that the cleanup system satisfies the in-place penetration leakage testing acceptance criteria of less than 0.05% and uses the test procedure guidance InRegulatory Positions C.5.a, C.5.c, and C.5.d of Regulatory Guide 1.52, Revision 2, March 1978*, and the system flow rate Is 2100 cfm +/- 10%;

2) Verifying, within 31 days after removal, that a laboratory analysis of a representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, by showing a methyl iodide penetration of less than or

1. The 7-day allowed outage time which was entered on June 4. 2006 at 0602 hours25.083 days <br />3.583 weeks <br />0.825 months <br />, may be extended one time by an additional 7 days to complete repair and testing on the Containment Enclosure Ventilation Area retumn fan EAH-FN-31 B.

• ANSI N510-1980 shall be used in place of ANSI N510-1975 referenced in Regulatory Guide 1.52, Rev. 2, March 1978.

SEABROOK -UNITi 31 -1Aedmn 3/46-21 Amenmen No-5 o