ML19332F523

Proposed Tech Specs,Deleting Footnote on Limiting Condition of Operation 3.6.4.1 Re Opening of Suppression Chamber to Drywell Vacuum Breakers

ML19332F523
Person / Time
Site:	Fermi
Issue date:	12/07/1989
From:	DETROIT EDISON CO.
To:
Shared Package
ML19332F520	List: ML19332F523 NRC-89-0264, Application for Amend to License NPF-43,deleting Footnote on Limiting Condition of Operation 3.6.4.1 Re Opening of Suppression Chamber to Drywell Vacuum Breakers
References
NUDOCS 8912150119
Download: ML19332F523 (2)

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8912150119 891207 g'DR ADOCK 05000341 FDC w..

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$DNTA18MLNI_ SYSTEMS l

e 3/4.8.4 VACUUM t!L1tr

$UPPRill10W CNAPSIR - DRYWELL VACUUM BREAUR5 LIMITING CONDITION FOR OPERATION l

L 3.5.4.1 All suppression chamber - drywell vacum breakers shall be closed and et least 10 vacum breakers shall be OPERABLE.@

APPL 114BILifY: DPERATIONAL CONDITIONS 1. 2. and 3.

M:

a.

With one of the above reeutres vacum breakers inoperatie for opening but known to be closed, restore the inoperabis vacum t

breaker to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least MDT SMUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SNUTDOWN within the l'

following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

l b.

With one er more suppression chamber - drywell vacuum breakers open, close the open vacuum breaker (s) within I hours or be in at least MOT $NUTDOWN within the neat 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SMUT 00WW within the followinD 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

s..With one of the position indlestors of any suppression l

ehaaber - drywell vacuum breakers inoperable, verify that all i

9ther vacuum breakers are alosed within a hours and:

1.

Verify the vaeum breaker (s) w'16 t$e inoperable position indloator to be closed by demonstrating the other indicator to be OPERABLE within 2 bours and at least once per 14 days thereafter, or 2.

Verify the vacuus breaker (s) with the inoperable position indicator to be closed by conducting a test stich demonstrates that the drywell-to-suppression chamber AP is maintained at greater than or equal to 0.5 pai for one hour without makeup within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and at least enos per j

14 days thereafter.

Otherwise, be in at least NDT SHUTDOWN within the nest it hours and in COLD SNUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

d.

With one of the closed position indicators of one er more suppression chamber - drywell vacuum breaker (s) indicating open and the redundant closed position indicator indicating closed after a suppression chamber - drywell vacum breaker opening as a result of a steam release, within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, cycle the applicable valve (s) to determine which of the redundant indicators is OPERABLE.

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FERMI - UNIT 2 3/4 6 43 Amendment No. 32 c.

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