ML19207C001

LER 79-066/0T-0:on 790827,following Refueling Outage, Routine Surveillance Revealed Jet Pump Integrity Not Performed Satisfactorily on 790826.Caused by Personnel Not Recognizing Limiting Conditions for Operation

ML19207C001
Person / Time
Site:	Hatch
Issue date:	09/04/1979
From:	Baxley S GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19207B994	List: ML19207B993 ML19207C001
References
LER-79-066-01T, LER-79-66-1T, NUDOCS 7909060292
Download: ML19207C001 (2)

Text

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LICENSEE EVENT 1 EFORT ccNTnot etccx: _U [ l

@ (PLE ASE PRINT OR 1YPE ALL REQUlot D INF ORfAATION)

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[O -1 lDuring steady state operation at low power for Startup testing following a Refue ing o , l0utage, rs. tine surveillance review revealed that HNP-1-9400 (Jet Pump Integrity) had i Procedure had been performed, but was ]

[n W [not beu performed satisfactorily on 8-26-79.

l unacceptable. Test Shop began calibration of instruments so that Procedure could be j O,s o icj [ performed again to insure accurate readings. Tech. Specs. 3.6.I requires Plant to be  ;

Failure to comply with Shu tdown requirementp ,

[TJT] [in the Cold Shutoown Mode within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

g gas not recognized until morning of 8-27-79. Operations immediately performed 7 8 9 C Al f;E COYP velvr Sy:T r st CAUtr SUCCOLE CSDC CCLt C'kCi at CO'PONEN1 CCLE SUSCODE

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li;o Plant personnel f ailed to recognize that IC0 existed. Instrument calibration was sus- i W joccted and Procedure was expected to be acceptable when instrument calibration was ccm-;

laI?] plete. Immediately upon discovery Procedure HNP-1-9400 was performed and was acceptably.

l Balancing of RECIRC loop flow had placed Procedure in acceptable status. Jet Pump In- l

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[i i . j lteority had existed since Plant Startup and Procedure was made unacceptable only be- Ea l

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S EVEllT DE_SCRIPTION A@ PROMflLE C0!!SEQUEf'CES (C0t!'T.1 HilP-1-9400 and it was acceptable. There was no effect on public health or safety.

CAUSE. DES _QRIPTIOf' AND_ CORRECTIVE ACTIONS (C0ti'T.)

cause of unbalanced loop flow conditions. Plant personnel have been instructed to insure that Tech Spec. requirements are performed within prescribed limits.

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