ML19242A675

Notifies of RO 50-321/79-47 on 790619:while Reviewing Supports on Reactor Core Isolation Cooling Torus Suction Line to Replace Expanion Anchors,Found Guide Bars Required to Provide Lateral Restraint Already Installed

ML19242A675
Person / Time
Site:	Hatch
Issue date:	06/19/1979
From:	Manry M GEORGIA POWER CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 7908030389
Download: ML19242A675 (2)

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~j DLSCRIPTIO:s Of RCPORTABLL OI.CURRENCE r. o Initial Condition i

-~~ -t p j' chars on pipe supports.llat h Unit I was shutdown for refueling and ritplacenent p . -4of e 0 i flature of Occurrence Q .Q ha ifhile reviewing the supports ESI-RCICH-16 and ESI-RCICit-17 on the RCIC tor-hd =

us suction line for replactn-nt of expansion anchors it was noticed that the r puide laci: ofbars required to provide lateral restraint were not inst.alled The and thenns) lateral restraints at these two supports af fects both the seisniic k;-j analysis of the RCIC tcrus suction line. d .]

Inrm.dia te Corryc tive Action U (p :@i Lateral for acceptability.restraints have been designed and are being reviewed by Bechtel 3 1,; "3 .

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talled without the lateral restraint guide bars required by .

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i j q Lateral the required restraints points pending willsupport be installeddesign approval on the RCIC torus suction line by Bechtcl .

6t Stat us of flatkup or Redimdant Syytems - .

Hot applicable due to plant status.

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u Conclus. ions 7

E-The RCIC toru<. suction line was not properly res trained laterally due to r

irvroper installation of supports E51-RCICH-16 and E51.RCICH 17. Lateral [;

re:.tr aints have been designed and will be installed pending Bechtel review G M the lateral restraints. ,' - -.

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