ML17228B245

Proposed TS 3.6.6.1, Sbvs.

ML17228B245
Person / Time
Site:	Saint Lucie
Issue date:	08/16/1995
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17228B244	List: ML17228B243 ML17228B245
References
NUDOCS 9508210217
Download: ML17228B245 (4)

Text

CONTAINMENT.SYSTEMS 3/4.6.d'ECONDARY CONTAINMENT SHIELD BUILDING VENTILATION SYSTEM (SBVS sgp~g oH Next L'IMITING CONDITION FOR OPERATION 84'.6.6.

1 Two independent Shield Building Ventilation Syst shall be OPERABLE.

LICABILITY: MODES 1, 2, 3, 4, 5, and 6 with op ations involving movemen of s diated fuel within the spent fuel storage ool or crane operation ith loads ov the spent fuel storage pool with ir adiated fuel in the s t fuel storage poo .

ACTION:

MODES 1, 2, 3, and 4:

With one SBVS inoperable, restore th erable system to OPERABLE status within 7 days or be in at least HOT within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the follow'0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />.

ACTION:

MODES 5 and 6:

With on VS inoperable, restore the inoperable system to OPERABLE s tus wit the next 7 days or suspend fuel movement within the spent fuel sto e ol and crane operations over the spent fuel storage pool.

SURVEILLANCE RE UIREMENTS 4.6.6.1 Each Shield Building Ventilation 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 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with the heaters on.

b. At least once per 18 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. Performing a visual examination of SBVS in accordance with ANSI N-510"1980.

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St. Lucie'nit 2 Docket No. 50-389 Proposed License Amendment Shield Buildin Ventilation S stem INSERT - A APPLICABILITY At all times in MODES 1p 2p 3p and 4.

During movement of irradiated fuel assemblies or during crane operations with loads over irradiated fuel assemblies in the Spent Fuel Storage Pool in MODES 1, 2, 3, 4, 5, and 6.

ACTION: as With the eeue inoperable ~solel due to loss of the ehue capability to provide design basis filtered air evacuation from the Spent Fuel Pool area, only ACTION-c is required. If the SBVS is inoperable for any other reason, concurrently implement ACTION-b and ACTION-c.

b. (1) With one SBVS inoperable in MODE 1, 2, 3, or 4, restore the inoperable system to OPERABLE status within 7 be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> days'therwise, and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

(2) With both SBVS inoperable in MODE 1, 2, 3, or 4, immediately enter LCO 3.0.3.

c~ (1) With one SBVS inoperable in any MODE, restore the inoperable system to OPERABLE status within 7 days; otherwisep suspend movement of irradiated fuel assemblies within the Spent Fuel Storage Pool and crane operations with loads over irradiated fuel in the Spent Fuel Storage Pool.

(2) With both SBVS inoperable in any MODE, immediately suspend movement of irradiated fuel assemblies within the Spent Fuel Storage Pool and crane operations with loads over irradiated fuel in the Spent Fuel Storage Pool.

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