ML20084A135

RO 76-05:on 760208,excessive Leakage Observed Through Several Containment Penetrations.Cause Not Stated.Repairs to Valves Underway

ML20084A135
Person / Time
Site:	Ginna
Issue date:	02/08/1976
From:	Platt C ROCHESTER GAS & ELECTRIC CORP.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
RO-76-05, RO-76-5, NUDOCS 8304050106
Download: ML20084A135 (1)

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Abner rsi e.::ra hill.'s Of pri-y r';*"*-

ment, cocpenents aiscovere:i vnile doing toe containment i nt e..: m t e d ! Ns r co s

rate. test.

Dear Mr. O'Reilly:

- 'Qais ir,-to-conf.irn rge phone.cel.1 to Mr. John Hannon-.this rornirig to. give hb infor. ation on Reportable Occurrence #76-05 Pressurizatics of the contai==ent for the contain=ent integrated Icakns;c rate test began at 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> en Saturday, February 7 The 35 pais pressure une outnblished at O$00 hours on Sundny, Fabrusry_6,1976.

Af,ter =nintn-ining the 35 psig pressure for approx 1=ately five hours, it be ste sp; arent 'thst t5ere wtn execssite

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IcaktQfe t'.rcugh several ec5!--

""it7e?ie r. rations.

Further,inve.iti.;. tie:n r

found the ec=ponents that were responsible for the excessive leakn6e to be:

(1)

Containment Purge Supply Valve - Inside Contain=ent (2)

Contair.=ent Purge Exhaust Valves (3) Motor Operated Valves #813 & #61L - acactor support Coolins (b)

Check Valve /I'T13 - Nitrogen supply to the Reactor Coolant Drain Tank

-.Repatra are-umforvay to += enre 1 htei valves...'~r contrif n -ent. inter. rat.ei.itslu.m.

rate. tout will'be resuced as soon as repairs are cc=pleted.

l Verf truly yours.

p /r

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.:e 0304050106 760200 PDR ADOCK 05000244 C " * " I " "' '.. l t '

S PDR

.. Surer.in o te.:

CEP/dg G. J. Svarthout, 'R72 Corp.

L., ' D. ' *G i t e,

S,'.E Co r p..

cc:

J. F. S'A e t., R'.i&E Corp.

-C.

V.

Ihr:3 f eb, DG'.E Corp.

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